ASTM A269 Stainless Steel Tube Suppliers, A269 Grade Tp316l Tubing Exporters

ASME SA269 TP316L TUBE STOCK, SA269 TP201 TUBE & ASTM A269 TP304 SEAMLESS TUBE DEALER

ASTM A269 Seamless Stainless Steel Tubing is used for low temperature and high temperature services. These pipes could be made from austenitic steel types under electric resistant weld, electric fusion weld or seamless cold drawing mechanisms. The SA269 Tubing can also have different finishes and can be heat treated. The SA 269 Tp 316 is more corrosion resistant than the 304 material types and it is used in applications with high pressures and high temperatures as well as low pressure and low temperatures. Therefore the SA 269 Tp 304 and the ASTM A269 Tp316l material grade pipes have different schedules. These schedules correspond to different wall thickness corresponding to different nominal diameters.

The ASTM A269 Tp316 Tube is used in high temperature services with high pressures such as the hydraulic systems. Other specifications of the ASTM A269 Tube could be used in textile, chemical and marine industries. The ASTM A269 Tolerances are high for chloride ion rich environments and most oxidizing agents. Therefore the ASTM A269 Seamless Stainless Steel Tubing is a good choice for chemical and marine industries. Also the corrosion resistance for general services is great with ASTM A269 Seamless Tubing. Due to the accuracy in dimensions, strength and corrosion resistance, the ASTM A269 SS Tubing is widely used along these industries. Oshwin Overseas is a supplier of these products and our ASTM A269 Tubing Pressure Rating allow us to produce different pressure classes of these pipes for customer requirements. You can get a full catalog of our products upon inquiry.

ASTM A269 / ASME SA269 Tubes. This specification covers grades of nominal-wall-thickness stainless steel tubing for general corrosion-resisting and low- or high-temperature service. We have stock of ASTM A269 Seamless Tubing, ASTM A269 stainless steel seamless tubing and welded tubing primarily consists of the austenitic grades of stainless steel including 304, 304L, 316L, 316 in annealed and pickled, bright annealed, 2B finish, mill finish and polished conditions. We can also provide free sample of High Quality ASTM A269 SS EFW Tube, A269 Stainless Steel Exhaust Tube, ASTM A269 Stainless Capillary Tube, With the help of our stock of ASTM A269 Steel ERW Tube, A269 SS Hot Rolled Tube and Stainless Steel ASTM A269 Santiary Tube in johor bahru Tycoon Pipe company can provide fastest and cost effective deilvery of Stainless ASTM A269 Round Tube, Steel ASTM A269 Tube and SS ASTM A269 Tubing in India. ASTM A269 Standard Seamless Tube, ASTM A269 Electropolish Tube, A269 Instrumentation Tube, ASME SA269 Cold Rolled Coiled Tubing, ASME SA269 Seamless Tubes are manufactured using supreme grade alloying elements, thus ensuring hardness and chemical resistance.

Stainless Seamless Fluid Pipe Quality Control

1. Raw materials pipe blank quality classification: high quality, medium, economical
2. Raw materials inspection after receive in factory
3. After pickled, tube will be grinded careful to less defect
4. Multiple cold drawn/rolled process for precision dimension
5. Standard heat-treated of continuous annealed/solution for better property, intergranular corrosion
6. Full Inspection: ET, UT, Hydraulic Test, Penetration Test, Grinded, Sand Blast, Print Making

*Besides bleow, we can supply comfortable price with equivalents quality for you! Welcome contact us.

We also can supply other kinds of:

• Seamless Stainless Steel Pipe & Tube
• Welded Stainless Steel Pipe & Tube
• U Type Stainless Steel Pipe & Tube
• Coil Type Stainless Steel Pipe & Tube(Max 300meter), seamless or welded
• Annealed Pickled AP Stainless Steel Pipe & Tube (Ra ≤5μm)
• Bright Annealed BA Stainless Steel Pipe & Tube (Ra ≤8μm)
• Mechanical Polished MP Stainless Steel Pipe & Tube (Ra ≤8μm)
• Electro Polished EP Stainless Steel Pipe & Tube (Ra ≤25μm)
• Sanitary Stainless Steel Pipe & Tube
• Capilllary Stainless Steel Pipe & Tube
• Instrument Stainless Steel Pipe & Tube

ASTM A269 Seamless Tube Specifications

ASTM A269 Standard Seamless Tube Specification	ASTM A-249, A-269, A-270, A-554, A-688, A-268, A-778, DIN 17456, DIN 17455, 17457, DIN 17458 [Class 1] & Its equivalent ASME, DIN & EN Standard.
ASTM A269 Electropolish Tube Grades	202, 304, 304L, 304H, 304LN, 316LN, 309S, 310S, 316, 316L, 316H, 316Ti, 317L, 321, 321H, 347, 347H, 904L, SMO 254, ALLOY 254, 6MO, 6MOLY, UNS S31254 ETC.
A269 Instrumentation Tube Type	SEAMLESS / WELDED / COLD DRAW / ERW / EFW / HOT FINISH / COLD FINISH
ASME SA269 Cold Rolled Coiled Tubing Outer Diameter Size	SEAMLESS – 6 MM OD TO 114.3 MM OD WELDED / ERW- 10 MM TO 114.3 MM OD
SA269 Heat exchager Tube Wall Thickness	0.8 MM TO 4 MM WALL THICKNESS
ASTM A269 Stainless Steel Polish Tube Length	01 Meter to 12.5 Meters, Single Random Length, Double Random Length And Customize Size.
Welded ASTM A269 Stainless Tube Ends	Plain Ends, Beveled Ends
ASTM A269 Steel Decorative Tube Coating	Mechanical Polish, Electropolish, Satin Finish, Passivated
ASTM A269 SS EFW Tube Other Testing	Product Analysis, Radiographic Examination, Transverse Tension, Flattening, Etching, Stabilizing Heat Treatment, Intergranular Corrosion, Grain Size, NACE 0175, Dual Grade, Weld Decay, Magnetic Particle Detection, PWHT (POST WELD HEAT TREATMENT), Flare, Bend, Hardness, Tensile Test etc
A269 Stainless Steel Exhaust Tube Dimension	All Tube are Manufactured and Tested / Inspected to the Relevant standards including ASTM and ASME
A269 Stainless Capillary Tube Value Added Services	Draw / Expansion / Heat Treatment / Annealed / Machining / Sand Blasting / Shot Blasting / Bright Annealed
A269 Steel ERW Tube Packaging	Loose / Bundle / Plastic Cloth Wraps / Wooden Pallet / Wooden Box / Plastic End Caps / Beveled Protector
A269 SS Hot Rolled Tube Material Test Certificate	Manufacturer Test Certification As Per EN 10204 3.1, 3.2 / Laboratory Test Certificate From NABL Approved Lab. / Under Third Party Inspection Agency Like TUV, DNV, SGS, LLOYDS, ABS ETC

ASTM A269 Standard Seamless Tube Chemical Composition

ASTM A269 Seamless Tubing Grades	UNS	C	Mn	P	S	Si	Cr	Ni	Mo
ASTM A269 304	S30400	0.08	2	0.045	0.03	1	18.0-20.0	8.0-11.0
ASTM A269 304L	S30403	0.035	2	0.045	0.03	1	18.0-20.0	8.0-13.0
ASTM A269 316	S31600	0.08	2	0.045	0.03	1	16.0-18.0	11.0-14.0	2.0-3.0
ASTM A269 316L	S31603	0.035	2	0.045	0.03	1	16.0-18.0	10.0-14.0	2.0-3.0

ASTM A269 Electropolish Tube Mechanical Properties

Material	Heat	Temperure	Tensile Strength	Yield Strength	Elongation %, Min
	Treatment	Min.	Ksi (MPa), Min.	Ksi (MPa), Min.
		º F(º C)
ASTM A269 304	Solution	1900 (1040)	75(515)	30(205)	35
ASTM A269 304L	Solution	1900 (1040)	70(485)	25(170)	35
ASTM A269 316	Solution	1900(1040)	75(515)	30(205)	35
ASTM A269 316L	Solution	1900(1040)	70(485)	25(170)	35

A269 Instrumentation Tube Weight Chart

OD inches	Ave. Wall inches	D/t Ratio	ID inches	Tube Cross Sectional Area (in2)	Internal Area (in2)
0.250	0.020	12.50	0.210	0.0145	0.0346
0.250	0.028	8.93	0.194	0.0195	0.0296
0.250	0.035	7.14	0.180	0.0236	0.0254
0.250	0.049	5.10	0.152	0.0309	0.0181
0.250	0.065	3.85	0.120	0.0378	0.0113
0.375	0.020	18.75	0.335	0.0223	0.0881
0.375	0.028	13.39	0.319	0.0305	0.0799
0.375	0.035	10.71	0.305	0.0374	0.0731
0.375	0.049	7.65	0.277	0.0502	0.0603
0.375	0.065	5.77	0.245	0.0633	0.0471
0.500	0.020	25.00	0.460	0.0302	0.1662
0.500	0.028	17.86	0.444	0.0415	0.1548
0.500	0.035	14.29	0.430	0.0511	0.1452
0.500	0.049	10.20	0.402	0.0694	0.1269
0.500	0.065	7.69	0.370	0.0888	0.1075
0.500	0.083	6.02	0.334	0.1087	0.0876
0.625	0.020	31.25	0.585	0.0380	0.2688
0.625	0.028	22.32	0.569	0.0525	0.2543
0.625	0.035	17.86	0.555	0.0649	0.2419
0.625	0.049	12.76	0.527	0.0887	0.2181
0.625	0.065	9.62	0.495	0.1144	0.1924
0.625	0.083	7.53	0.459	0.1413	0.1655
0.625	0.095	6.58	0.435	0.1582	0.1486
0.625	0.109	5.73	0.407	0.1767	0.1301
0.750	0.028	26.79	0.694	0.0635	0.3783
0.750	0.035	21.43	0.680	0.0786	0.3632
0.750	0.049	15.31	0.652	0.1079	0.3339
0.750	0.065	11.54	0.620	0.1399	0.3019
0.750	0.083	9.04	0.584	0.1739	0.2679
0.750	0.095	7.89	0.560	0.1955	0.2463
0.750	0.109	6.88	0.532	0.2195	0.2223
0.750	0.120	6.25	0.510	0.2375	0.2043
0.875	0.020	43.75	0.835	0.0537	0.5476
0.875	0.028	31.25	0.819	0.0745	0.5268
0.875	0.035	25.00	0.805	0.0924	0.5090
0.875	0.049	17.86	0.777	0.1272	0.4742
0.875	0.065	13.46	0.745	0.1654	0.4359
0.875	0.083	10.54	0.709	0.2065	0.3948
0.875	0.095	9.21	0.685	0.2328	0.3685
0.875	0.109	8.03	0.657	0.2623	0.3390
0.875	0.120	7.29	0.635	0.2846	0.316L7
1.000	0.028	35.71	0.944	0.0855	0.6999
1.000	0.035	28.57	0.930	0.1061	0.6793
1.000	0.049	20.41	0.902	0.1464	0.6390
1.000	0.065	15.38	0.870	0.1909	0.5945
1.000	0.083	12.05	0.834	0.2391	0.5463
1.000	0.095	10.53	0.810	0.2701	0.5153
1.000	0.109	9.17	0.782	0.3051	0.4803
1.000	0.120	8.33	0.760	0.3318	0.4536
1.000	0.134	7.46	0.732	0.3646	0.4208
1.250	0.035	35.71	1.180	0.1336	1.0936
1.250	0.049	25.51	1.152	0.1849	1.0423
1.250	0.065	19.23	1.120	0.2420	0.9852
1.250	0.083	15.06	1.084	0.316L3	0.9229
1.250	0.095	13.16	1.060	0.3447	0.8825
1.250	0.109	11.47	1.032	0.3907	0.8365
1.250	0.120	10.42	1.010	0.4260	0.8012
1.250	0.134	9.33	0.982	0.4698	0.7574
1.500	0.035	42.86	1.430	0.1611	1.6061
1.500	0.049	30.61	1.402	0.2234	1.5438
1.500	0.065	23.08	1.370	0.2930	1.4741
1.500	0.083	18.07	1.334	0.3695	1.3977
1.500	0.095	15.79	1.310	0.4193	1.3478
1.500	0.109	13.76	1.282	0.4763	1.2908
1.500	0.120	12.50	1.260	0.5202	1.2469
1.500	0.134	11.19	1.232	0.5750	1.1921
1.500	0.148	10.14	1.204	0.6286	1.1385
1.750	0.035	50.00	1.680	0.1886	2.2167
1.750	0.049	40.82	1.902	0.3003	2.8413
1.750	0.065	26.92	1.620	0.3441	2.0612
1.750	0.083	21.08	1.584	0.4347	1.9706
1.750	0.095	18.42	1.560	0.4939	1.9113
1.750	0.109	16.06	1.532	0.5619	1.8433
1.750	0.120	14.58	1.510	0.6145	1.7908
1.750	0.134	13.06	1.482	0.6803	1.7250
1.750	0.148	11.82	1.454	0.7449	1.6604
1.750	0.165	10.61	1.420	0.8216	1.5837
2.000	0.035	57.14	1.930	0.2161	2.9255
2.000	0.049	40.82	1.902	0.3003	2.8413
2.000	0.065	30.77	1.870	0.3951	2.7465
2.000	0.083	24.10	1.834	0.4999	2.6417
2.000	0.095	21.05	1.810	0.5685	2.5730
2.000	0.109	18.35	1.782	0.6475	2.4941
2.000	0.120	16.67	1.760	0.7087	2.4328
2.000	0.134	14.93	1.732	0.7855	2.3561
2.000	0.148	13.51	1.704	0.8611	2.2805
2.000	0.165	12.12	1.670	0.9512	2.1904

ASTM A269 TUBING SIZES

Seamless Type 316L
ASTM A269
Average wall

	Size OD, Inches	BW Ga.	Wall Dec-In.	ID	Weight Lbs/Ft.
ASTM A269 Standard Seamless Tube	1/8	22	0.028	0.069	0.0290
		20	0.035	0.055	0.0336
ASME SA269 Tubing	3/16	22	0.028	0.131	0.0478
ASTM A269 Electropolish Tube	1/4	25	0.020	0.210	0.0491
		22	0.028	0.194	0.0664
		21	0.032	0.187	0.0745
		20	0.035	0.180	0.0804
		18	0.049	0.152	0.1052
		16	0.065	0.120	0.1284
A269 Instrumentation Tube	5/16	20	0.035	0.242	0.1039
		18	0.049	0.214	0.1382
		16	0.065	0.182	0.1722
ASME SA269 Cold Rolled Coiled Tubing	3/8	22	0.028	0.319	0.1038
		20	0.035	0.305	0.1271
		18	0.049	0.277	0.1706
		16	0.065	0.245	0.2152
ASME SA269 Tubing	7/16	18	0.049	0.340	0.2036
SA269 Heat exchager Tube	1/2	25	0.020	0.460	0.1025
		20	0.035	0.430	0.1738
		18	0.049	0.402	0.2360
		16	0.065	0.370	0.3020
ASTM A269 Stainless Steel Polish Tube	5/8	20	0.035	0.555	0.2205
		18	0.049	0.527	0.3014
		16	0.065	0.495	0.3888
Welded ASTM A269 Stainless Tube	3/4	20	0.035	0.680	0.2673
		18	0.049	0.652	0.3668
		16	0.065	0.620	0.4755
		14	0.083	0.584	0.5913
ASTM A269 Steel Decorative Tube	7/8	18	0.049	0.777	0.4323
		16	0.065	0.745	0.5623
		11	0.120	0.635	0.9676
ASTM A269 SS EFW Tube	1	20	0.035	0.930	0.3607
		18	0.049	0.902	0.4977
		16	0.065	0.870	0.6491
		14	0.083	0.834	0.8129
		11	0.120	0.760	1.1278
ASME SA269 Tubing	1-1/4	11	0.120	1.010	1.4480

ASME SA269 Cold Rolled Coiled Tubing Pressure Rating

OD inches	Ave. Wall inches	Min Yield Strength (PSI)	Min Tensile Strength (PSI)	Theoretical Burst Pressure * (PSI)	Working Pressure (PSI) 25% of Burst	Theoretical Yield Point ** (PSI)	Collapse Pressure *** (PSI)
0.250	0.020	30,000	75,000	14,286	3,571	5,714	4,416
0.250	0.028	30,000	75,000	21,649	5,412	8,660	5,967
0.250	0.035	30,000	75,000	29,167	7,292	11,667	7,224
0.250	0.049	30,000	75,000	48,355	12,089	19,342	9,455
0.250	0.065	30,000	75,000	81,250	20,313	32,500	11,544
0.375	0.020	30,000	75,000	8,955	2,239	3,582	3,029
0.375	0.028	30,000	75,000	13,166	3,292	5,266	4,145
0.375	0.035	30,000	75,000	17,213	4,303	6,885	5,077
0.375	0.049	30,000	75,000	26,534	6,634	10,614	6,816
0.375	0.065	30,000	75,000	39,796	9,949	15,918	8,597
0.500	0.020	30,000	75,000	6,522	1,630	2,609	2,316L
0.500	0.028	30,000	75,000	9,459	2,365	3,784	3,172
0.500	0.035	30,000	75,000	12,209	3,052	4,884	3,906
0.500	0.049	30,000	75,000	18,284	4,571	7,313	5,316L
0.500	0.065	30,000	75,000	26,351	6,588	10,541	6,786
0.500	0.083	30,000	75,000	37,275	9,319	14,910	8,307
0.625	0.020	30,000	75,000	5,128	1,282	2,051	1,859
0.625	0.028	30,000	75,000	7,381	1,845	2,953	2,568
0.625	0.035	30,000	75,000	9,459	2,365	3,784	3,172
0.625	0.049	30,000	75,000	13,947	3,487	5,579	4,335
0.625	0.065	30,000	75,000	19,697	4,924	7,879	5,591
0.625	0.083	30,000	75,000	27,124	6,781	10,850	6,910
0.625	0.095	30,000	75,000	32,759	8,190	13,103	7,734
0.625	0.109	30,000	75,000	40,172	10,043	16,069	8,639
0.750	0.028	30,000	75,000	6,052	1,513	2,421	2,156
0.750	0.035	30,000	75,000	7,721	1,930	3,088	2,669
0.750	0.049	30,000	75,000	11,273	2,818	4,509	3,664
0.750	0.065	30,000	75,000	15,726	3,931	6,290	4,749
0.750	0.083	30,000	75,000	21,318	5,330	8,527	5,905
0.750	0.095	30,000	75,000	25,446	6,362	10,179	6,637
0.750	0.109	30,000	75,000	30,733	7,683	12,293	7,453
0.750	0.120	30,000	75,000	35,294	8,824	14,118	8,064
0.875	0.020	30,000	75,000	3,593	898	1,437	1,340
0.875	0.028	30,000	75,000	5,128	1,282	2,051	1,859
0.875	0.035	30,000	75,000	6,522	1,630	2,609	2,316L
0.875	0.049	30,000	75,000	9,459	2,365	3,784	3,172
0.875	0.065	30,000	75,000	13,087	3,272	5,235	4,126
0.875	0.083	30,000	75,000	17,560	4,390	7,024	5,152
0.875	0.095	30,000	75,000	20,803	5,201	8,321	5,807
0.875	0.109	30,000	75,000	24,886	6,221	9,954	6,543
0.875	0.120	30,000	75,000	28,346	7,087	11,339	7,100
1.000	0.028	30,000	75,000	4,449	1,112	1,780	1,633
1.000	0.035	30,000	75,000	5,645	1,411	2,258	2,027
1.000	0.049	30,000	75,000	8,149	2,037	3,259	2,796
1.000	0.065	30,000	75,000	11,207	2,802	4,483	3,647
1.000	0.083	30,000	75,000	14,928	3,732	5,971	4,567
1.000	0.095	30,000	75,000	17,593	4,398	7,037	5,159
1.000	0.109	30,000	75,000	20,908	5,227	8,363	5,827
1.000	0.120	30,000	75,000	23,684	5,921	9,474	6,336
1.000	0.134	30,000	75,000	27,459	6,865	10,984	6,963
1.250	0.035	30,000	75,000	4,449	1,112	1,780	1,633
1.250	0.049	30,000	75,000	6,380	1,595	2,552	2,260
1.250	0.065	30,000	75,000	8,705	2,176	3,482	2,958
1.250	0.083	30,000	75,000	11,485	2,871	4,594	3,719
1.250	0.095	30,000	75,000	13,443	3,361	5,377	4,213
1.250	0.109	30,000	75,000	15,843	3,961	6,337	4,776
1.250	0.120	30,000	75,000	17,822	4,455	7,129	5,207
1.250	0.134	30,000	75,000	20,468	5,117	8,187	5,742
1.500	0.035	30,000	75,000	3,671	918	1,469	1,367
1.500	0.049	30,000	75,000	5,243	1,311	2,097	1,896
1.500	0.065	30,000	75,000	7,117	1,779	2,847	2,487
1.500	0.083	30,000	75,000	9,333	2,333	3,733	3,136
1.500	0.095	30,000	75,000	10,878	2,719	4,351	3,559
1.500	0.109	30,000	75,000	12,754	3,188	5,101	4,043
1.500	0.120	30,000	75,000	14,286	3,571	5,714	4,416
1.500	0.134	30,000	75,000	16,315	4,079	6,526	4,881
1.500	0.148	30,000	75,000	18,439	4,610	7,375	5,336
1.750	0.035	30,000	75,000	3,125	781	1,250	1,176
1.750	0.049	30,000	75,000	3,864	966	1,546	1,434
1.750	0.065	30,000	75,000	6,019	1,505	2,407	2,146
1.750	0.083	30,000	75,000	7,860	1,965	3,144	2,711
1.750	0.095	30,000	75,000	9,135	2,284	3,654	3,080
1.750	0.109	30,000	75,000	10,672	2,668	4,269	3,504
1.750	0.120	30,000	75,000	11,921	2,980	4,768	3,832
1.750	0.134	30,000	75,000	13,563	3,391	5,425	4,242
1.750	0.148	30,000	75,000	15,268	3,817	6,107	4,645
1.750	0.165	30,000	75,000	17,430	4,357	6,972	5,124
2.000	0.035	30,000	75,000	2,720	680	1,088	1,032
2.000	0.049	30,000	75,000	3,864	966	1,546	1,434
2.000	0.065	30,000	75,000	5,214	1,303	2,086	1,887
2.000	0.083	30,000	75,000	6,788	1,697	2,715	2,387
2.000	0.095	30,000	75,000	7,873	1,968	3,149	2,715
2.000	0.109	30,000	75,000	9,175	2,294	3,670	3,092
2.000	0.120	30,000	75,000	10,227	2,557	4,091	3,384
2.000	0.134	30,000	75,000	11,605	2,901	4,642	3,751
2.000	0.148	30,000	75,000	13,028	3,257	5,211	4,111
2.000	0.165	30,000	75,000	14,820	3,705	5,928	4,542

ASTM A269 Steel Tubing Tolerance

Diameter Tolerance ASTM A269 Tube

NPS	ASTM A269 Tube OD Tolerance
	+		–
	inch	mm	inch	mm
1/8~1 1 /2 > 1 1 /2~4 > 4~8 > 8~18 > 18~26 > 26~34 > 34~48	1/64(0.015) 1/32(0.031) 1/16(0.062) 3/32(0.093) 1/8(0.125) 5/32(0.156) 3/16(0.187)	0.4 0.8 1.6 2.4 3.2 4.0 4.8	1/32(0.031) 1/32(0.031) 1/32(0.031) 1/32(0.031) 1/32(0.031) 1/32(0.031) 1/32(0.031)	0.8 0.8 0.8 0.8 0.8 0.8 0.8

WALL THICKNESS TOLERANCE ASTM A269 STEEL TUBE

NPS	ASTM A269 Tube Tolerance, %
	+	–
1/8-2 1 /2	20.0	12.5
3~18, t/D≤ 5%	22.5	12.5
3~18, t/D> 5%	15.0	12.5
≥ 20, welded	17.5	12.5
≥ 20, seamless, t/D≤ 5%	22.5	12.5
≥ 20, seamless, t/D> 5%	15.0	12.5

Flaring Test (Seamless Tubes)

One test shall be made on specimens from one end of one tube from each lot of finished tubes.

Flange Test (Welded Tubes)

One test shall be made on specimens from one end of one tube from each lot of finished tubes.

Hardness Test

Brinell or Rockwell hardness determination shall be made on specimens from two tubes from each lot. The term lot applies to all tubes prior to cutting, of the same nominal diameter and wall thickness that are produced from the same heat of steel. When final heat treatment is in a batch-type furnace, a lot shall include only those tubes of the same size and the same heat which are heat treated in the same furnace charge. When the final heat treatment is in a continuous furnace or when the heat-treated condition is obtained directly by quenching after hot forming, a lot shall include all tubes of the same size and heat, heat treated in the same furnace at the same temperature, time at heat, and furnace speed, or all tubes of the same size and heat, hot formed and quenched in the same production run.

Reverse flattening Test

For welded tubes, one reverse flattening test shall be made on a specimen from each 1500ft(460m) of finished tubing. Coiled tubing greater than 1500ft(450m) in length shall be sampled at both ends, a coil must be continuous without any circumferential butt welds.

Hydrostatic or Nondestructive Testing

Each pipe shall be subjected to the nondestructive electric test or the hydrostatic test.

Markings

Markings will adhere to prescribed specifications in A1016/A 1016M and shall include whether the tubing is seamless or welded and the final heat-treatment temperature in digress Fahrenheit after the suffix” if the final heat treatment temperature is under 1900°F (1040°C).

When the nondestructive electric test is performed, each length of tubing shall be marked with the letters “NDE” and the certification, when required, shall also indicate this test.

Note:

Mill test certificates will be issued according to EN10204.3.

All tubes shall be supplied as per applicable ASTM A269 Specification.

Astm A269 standard

SS 316L ASTM A269 Seamless Pipe packing will be according to international standard in bundles strapped by strips then into containers to avoid any damage.Special Sizes or Non Standard Size ASTM A269 Stainless Steel Seamless and Welded Tubing in Round, Square, Rectangular Form. Buy ASTM A269-10 Standard Specification for Seamless and Welded Austenitic Stainless Steel Tubing for General Service from Neelcon Steel.

This standard is issued under the fixed designation ASTM A 269; the number immediately following the designation indicates the year of original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A superscript epsilon indicates an editorial change since the last revision or reapproval.

This specification covers grades of nominal-wall thickness, stainless steel tubing for general corrosion-resisting and low-or high-temperature service, as designated in Table 1.

The tubing sizes and thickness usually furnished to this specification are 1⁄4 in. (6.4 mm) in inside diameter and larger and 0.020 in. (0.51 mm) in nominal wall-thickness and heavier.

ASTM A249, ASTM A269 Specification

ASTM A249 and ASTM A269 standard specification are issued by American Society for Testing and Materials (ASTM), the two specifications indicate detailed conditions for stainless steel tube, like material, sizes, tests and other conditions.

ASTM standards organization develops and approvals technical standards, to improve materials, products, systems, and services requirements. The number following the designation indicates the year of revision, such as ASTM A249 / A249M – 18, it is current version.

ASTM A249 / A249M
Standard Specification for Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes,

ASTM A269 / A269M
Standard Specification for Seamless and Welded Austenitic Stainless Steel Tubing for General Service,

ASTM A249, ASTM A269 Specification Comparison

ASTM A249 and ASTM A269 specifications are two standards for Austenitic stainless steel tubes, there are the same requirements in technical, also they have some differences.

	ASTM A249	ASTM 269
Tube Manufacturing	Welded	Welded And Seamless
Application	Boiler Superheater Heat-Exchanger Condenser	General Service
Sizes	OD: Max 304.8 Mm Thickness: 0.4 – 8.1 Mm	ID: Min. 3.4 Mm Thickness: 0.51 Mm
ASTM / ASME	ASTM A249 ASME SA249	ASTM A269
Test	Flange Test	Flaring Test

Scope Of Application

ASTM A249 welded tubes are for boiler, super heater, heat exchanger, condenser system, the pressure equipment is used to transfer heat.

ASTM A269 tubing is for general service, usually, it is applied in equipment and instruments, also under low or high temperature environment, therefore, ASTM A269 tubing is also used for heat transfer equipment.

Material And Grades

ASTM A249 and ASTM A269 Specifications indicate tube material is Austenitic Stainless Steel grades, which is wide used in stainless steel families, TP304, TP304L, TP316, TP316L, TP347, TP347H, TP321, TP321H, 904L grade is ideal material for various applications, they have some advantages that other steels do not have.

Common stainless steel grades of ASTM A249, and equivalents

ASTM A249 TP304

ASTM A249 TP304L

ASTM A249 TP316/316L

ASME SA249 TP304

ASME SA249 TP316L

Common stainless steel grades of ASTM A269

ASTM A269 TP304

ASTM A269 TP316L

However, in some cases, Ferritic and Duplex steel tubes are produced to comply with A249 or A269 standard, Ferritic steel tubes can reduce cost, and duplex steel tubes increase strength and longevity.

Sizes And Dimensions

Usually, ASTM A249 tubing sizes and wall thickness separately are 1/8 in (3.2 mm) in inside diameter to 12 in (304.8 mm) in outside diameter and 0.015 in to 0.32 in (0.4 – 8.1 mm). The tubing sizes and thicknesses furnished to ASTM A269 are 1/4 in. (6.4 mm) in inside diameter and larger and 0.020 in. (0.51 mm) in nominal wall-thickness and heavier.

Tube size is stated in inch or millimeter, sometimes, tube gauge (BWG) size is specified.

Size Tolerances

ASTM A249 welded tube dimensional tolerance are in accordance with ASTM A1016 specification, wall thickness tolerance is +/-10% of thickness, comparing with ASTM A269 tube size tolerance as follow.

	OD		WTH	L
ASTM A249	＜25.40mm	±0.10mm	±10.00%	OD＜50.8mm +3.0mm -0mm OD≥50.8mm +5.0 -0mm
	≥25.4mm~38.1mm	±0.15mm
	≥38.1mm~50.8mm	±0.20mm
	≥50.8mm~63.5mm	±0.25mm
	≥63.5mm~76.2mm	±0.30mm
	≥76.2mm~101.6mm	±0.38mm
	≥101.6mm~190.5mm	+0.38mm -0.64mm
	≥190.5mm~228.6mm	+0.38mm -1.14mm
ASTM A269	＜38.1mm	±0.13mm	OD＜12.7mm ±15% OD≥12.7mm ±10%	OD＜38.1mm +3.20mm -0mm OD≥38.1mm +4.80 -0mm
	≥38.1mm~88.9mm	±0.25mm
	≥88.9mm~139.7mm	±0.38mm
	≥139.7mm~203.7mm	±0.76mm
	≥203.7mm~304.8mm	±1.01mm
	≥304.8mm~355.6mm	±1.26mm

Tube Type ( Manufacture Process）

ASTM A249 indicate welded tubes, the tubes should be cold worked or cold drawn method, prior to final heat treatment. ASTM A269 tubes should be welded type or seamless type, which is made in cold finished or hot finished.

Testing And Quality Control

Tube Surface

Both ASTM A249 and ASTM A269 specifications, after heat treatment, tubes should be pickled free of scale, when bright annealing is used, pickling is not necessary.

Heat Treatment

All the tubes under ASTM A249 and ASTM A269 standards should be heat treated condition unless in special condition, there are different annealing temperatures for different materials.

Mechanical Properties

ASTM A249: flattening, flange and reverse bend, tensile testing and hardness.

ASTM A269: flaring test for seamless tubing, flange test for welded tube, reverse Flattening Test and hardness test.

Nondestructive Test

Each tube should be conducted to the nondestructive test or the hydrostatic test, in many cases, nondestructive test refer to eddy current test or air underwater test.

Dual Certification Standard

Users should distinguish between ASTM A249 and ASTM A269 specification, although they are typical standards for stainless steel tube technical requirement, but different.

In some cases, users require stainless steel tube conform to dual certified standard A249/A269, it means the tubes should comply to both ASTM A249 and ASTM A269, and get best value or result specified in the two specifications, the tubes will be high quality.

ASME SA249 is the same standard with ASTM A249 specification, ASME SA-249 is published by ASME, but ASME have no equivalent standard with ASTM A269.

Common Sizes Of A249/A269 Tubing

O.D.	MM	WALL THICKNESS	MM	LENGTHS	Grades	Type	SPECIFICATIONS
1/2”	12.70	0.065”	1.65	10′ – 20′	304/304L/316L	Welded	A249 / A269 / A270
3/4”	19.05	0.065”	1.65	10′ – 20′	304/304L/316L	Welded	A249 / A269 / A270
1”	25.4	0.049”	1.24	10′ – 20′	304/304L/316L	Welded	A249 / A269 / A270
1”	25.4	0.065”	1.65	10′ – 20′	304/304L/316L	Welded	A249 / A269 / A270
11/2”	38.10	0.049”	1.24	10′ – 20′	304/304L/316L	Welded	A249 / A269 / A270
11/2”	38.10	0.065”	1.65	10′ – 20′	304/304L/316L	Welded	A249 / A269 / A270
2”	50.80	0.049”	1.24	10′ – 20′	304/304L/316L	Welded	A249 / A269 / A270
2”	50.80	0.065”	1.65	10′ – 20′	304/304L/316L	Welded	A249 / A269 / A270
21/2”	63.50	0.065”	1.65	10′ – 20′	304/304L/316L	Welded	A249 / A269 / A270
3”	76.20	0.065”	1.65	10′ – 20′	304/304L/316L	Welded	A249 / A269 / A270
4”	101.60	0.065”	1.65	10′ – 20′	304/304L/316L	Welded	A249 / A269 / A270
4”	101.60	0.083”	2.11	10′ – 20′	304/304L/316L	Welded	A249 / A269 / A270
6”	152.40	0.083”	2.11	10′ – 20′	304/304L/316L	Welded	A249 / A269 / A270
6”	152.40	0.109”	2.77	10′ – 20′	304/304L/316L	Welded	A249 / A269 / A270
8”	203.20	0.109”	2.77	10′ – 20′	304/304L/316L	Welded	A249 / A269 / A270
10”	254.00	0.134”	3.40	10′ – 20′	304/304L/316L	Welded	A249 / A269 / A270
12”	304.80	0.134”	3.40	10′ – 20′	304/304L/316L	Welded	A249 / A269 / A270
14”	355.60	0.134”	3.40	10′ – 20′	304/304L/316L	Welded	A249 / A269 / A270

ASTM A269 Seamless Stainless Steel Tubing Specification

Check Tolerances and Pressure Rating of ASTM A269 GRADE TP316L Stainless Steel U Tube

Shapes	Round, Rectangular, Square, Hydraulic, Straight, “U” Shape, Coiled, Honed Tubes, Pan Cake Coils
Manufacturing Type	Seamless / ERW / Welded / Fabricated / CDW / CDS / DOM / CEW / 100% X Ray Welded
Delivery Condition	Annealed and Pickled (AP), Polished, Bright Annealed (BA), Cold Drawn, MF
Surface Finish	BA, 2B, No.4, No.1, No.3, No.8, 8K, HL, 2D, 1D, Mirror Polished, 180G, 320G, 400G Satin/ Hairline, 400G, 500G, 600G or 800G Mirror finish Tubing or Custom Finish as per customer’s specification
Thickness Range	SCH 5, SCH10, SCH 40, SCH 80, SCH 80S, SCH 160, SCH XXH, SCH XXS, SCH XS
Standard	SUS, JIS, AISI, ASTM, GB, DIN, EN
Relevant Standard	ASTM A213, ASTM A312, ASTM A269, ASTM A778, ASTM A554, ASTM A249, ASTM A269, ASTM A270, ASTM A789, DIN 17456, DIN17457, DIN 17459, JIS G3459, JIS G3463, GOST9941, EN10216, BS3605, GB13296
Value Added Services	Cutting Beveling Threading Polishing (Electro & Commercial) Draw & Expansion as per required Size & Length Destructive and Non Destructive Ultrasonic Testing Annealed & Pickled Bending
Swg & Bwg	10 Swg., 12 Swg., 14 Swg., 16 Swg., 18 Swg., 20 Swg.
END	Plain End, Beveled End, Treaded
Processing Service	Bending, Welding, Decoiling, Punching, Cutting, Moulding
Technique	Cold drawn, Cold rolled, Hot rolled, Extrusion Tube
Test Certificate	DFARS compliant EN 10204/3.1B, EN 10204 3.1 and EN 10204 3.2 Material Test Certificates (MTC) 100% Radiography Test Report Raw Materials Certificate Third Party Inspection Report Fumigation Certificates Heat Treatment Charts HS Code Commercial Invoice Form A for Generalized System of Preferences (GSP) Manufacturer Test Certificate Moisture testing Surface roughness measurement Laboratory Test Certificate from Govt. Approved Lab
Packing	Ends Capped, Sleeved, Wooden Boxed
Port	Mumbai, India
Uses & Application	Common industrial services (Petroleum, chemical, paper, fertilizer, fabric, aviation and nuclear) Fluid, gas and oil industry Heat transmission and pressure service Construction and ornamental Boilers and Heat exchangers Decoration purpose, boiler, auto parts, medical device, food industry, building materials)