Project Description

Commitment to You

We are committed to integrate steel resources in china and serve the global steel market. We have 15+ years of experience in steel researching, production, managing and sales.

Our ability to purchase materials directly from leading mills will give you the competitive edge. Any Questions Just Call +86-731-89903933

Application: Seamless Carbon Steel Boiler Tubes for High-Pressure Service.

Quality Standard:

ASTM A192 Standard Specification for Seamless Carbon Steel Boiler Tubes for High Pressure Service

Size Range:

  • Outer Dimensions.: 12.7mm-177.8mm
  • Wall Thickness:2.2mm-25.4mm
  • Length: 25000mm max

Delivery Condition:

  • Annealed, Normalized, Normalized and Tempered.
  • Hot-finished tubes need not be heat treated. Cold finished tubes shall be heat treated after the final cold-finishing at a temperature of 1200°F [650°C] or higher.

Chemical Composition(%):

C Si Mn P S
0.06–0.18 0.25 max 0.27–0.63 0.035 max 0.035 max

Mechanical Properities:

Tensile Strength(Mpa) Yield Strength(Mpa) Elongation(%) Hardness
325 Min 180 Min 35 Min 77 Max

Packing:

Bare packing/bundle packing/crate packing/wooden protection at the both sides of tubes and suitably protected for sea-worthly delivery or as requested.

Inspection and Test:

Chemical Composition Inspection, Mechanical Properties Test(Tensile Strength,Yield Strength, Elongation, Flaring, Flattening, Bending, Hardness, Impact Test), Surface and Dimension Test, No-destructive Test, Hydrostatic Test.

Surface Treatment:

  • Oiled, black painted, shot blasted, hot dipped galvanized or phosphate coating.
  • Both ends of each crate will indicate the order no., heat no., dimensions, weight and bundles or as requested.

Note:

  • Mill test certificates will be issued according to EN10204.3
  • All tubes shall be supplied as per applicable ASTM Specification.
  • The tubes Shall be Seamless and the testing shall be as per A 450/A450M.
  • Tubes shall be made by the seamless process and shall be either hot-finished or cold-finished, as specified.

Experienced 15+ Years

Our ability to purchase materials directly from leading mills at the best possible price will give you the competitive edge. This coupled with a skilled workforce dedicated to embracing the demands of the markets.

We Can Supply Follows Products with High Quality:

  1. Cold Rolled Steel Tube
  2. Cold Drawn Steel Tube
  3. Hollow Bar
  4. Honed Tube
  5. Plated Tube
  6. Plated Bar
  7. Boiler Tube

All Products According Quality Standard Strictly:

  1. ASTM: ASTM A519, ASTM A513.
  2. JIS:JIS G3441, JIS G3445, JIS G3466, JIS G3459.
  3. DIN: DIN1626, DIN1629, DIN2391, DIN2393, DIN2448, DIN2458.
  4. EN: EN10305.
  5. BS: BS6323.

Wide Range of Pipes to Fit Your Industry:

  1. OD from 5mm to 820mm.
  2. Wall Thickness from 0.1 to 100mm.
  3. Length up to 50mtr per pc.

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