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ASTM A516 & ASME SA516 Carbon Steel for Moderate Lower Temperature

The ASME SA516 specification is part of the ASME Boiler & Pressure Vessel Code (BPVC) and is a standard which governs the use of carbon steel in weldable industrial boilers and pressure vessels.

The specification sets standards for pressure vessel and boiler quality steel in moderate and lower temperature service. Steel grades which come under this specification are recognised for certain characteristics which include excellent notch toughness and weldability. The material grades vary in performance and such performance is dictated in part by the steels chemical composition.

HIC tested pressure vessel steel is commonly found in sour gas applications and is particularly suitable for the fabrication of pressure equipment where wet H2S can be a problem due to the long term presence of hydrogen sulphide. Other post production tests can be performed on ASME SA516 either at the mill or by a third party testing house.

ASME SA516 Grade 60

An ideal steel for use in moderate to lower working temperatures, ASME SA516 Grade 60 is used in the fabrication of weldable industrial boilers and steel pressure vessels.

It is a normalized steel which is known for its excellent notch toughness and weldability and is primarily found in pressurised service throughout the oil, gas and petrochemical industry.

Table 1: Chemical Composition of ASME SA516 Grade 60

Carbon (C)	%
12.5mm or less 12.5 – 50mm 50 – 100mm 100 – 200mm > 200mm	0.21 0.23 0.25 0.27 0.27
Manganese (Mn)	%
12.5mm or less • Heat Analysis : • Product Analysis : Over 12.5mm • Heat Analysis : • Product Analysis :	0.60-0.90 0.55-0.98 0.85-1.20 0.79-1.30
Phosphorus (P)	%
(max)	0.035
Sulphur (S)	%
(max)	0.035
Silicon (Si)	%
• Heat Analysis : • Product Analysis :	0.15-0.40 0.13-0.45

(Maximum values unless stated otherwise)

Table 2: Mechanical Properties of ASME SA516 Grade 60

DESCRIPTION	GRADE 60
Tensile strength (ksi)	60-80
Tensile strength (MPa)	415-550
Yield strength (ksi)	32
Yield strength (MPa)	220
Elongation in 200mm (min)(%)	21
Elongation in 50mm (min) (%)	25

(Minimum values unless stated otherwise)

(Please note: the technical information above is for guidance only – for exact specifications please check with our Sales Team)

ASME SA516 Grade 65

Suitable for a variety of applications in the Petrochemical, Chemical, Oil & Gas Industries, ASME SA516 Grade 65 is a carbon steel used by worldwide fabricators serving these markets.

The steel grade is used in the fabrication of weldable pressure vessels and boilers due to the materials specific composition and characteristics. Excellent notch toughness coupled with good weldability are consistent typical in this grade.

Table 1: Chemical Composition of ASME SA516 Grade 65

Carbon (C)	%
12.5mm or less 12.5 – 50mm 50 – 100mm 100 – 200mm > 200mm	0.24 0.26 0.28 0.29 0.29
Manganese (Mn)	%
12.5mm or less • Heat Analysis : • Product Analysis : Over 12.5mm • Heat Analysis : • Product Analysis :	0.85-1.20 0.79-1.30 0.85-1.20 0.79-1.30
Phosphorus (P)	%
(max)	0.035
Sulphur (S)	%
(max)	0.035
Silicon (Si)	%
• Heat Analysis : • Product Analysis :	0.15-0.40 0.13-0.45

(Maximum values unless stated otherwise)

Table 2: Mechanical Properties of ASME SA516 Grade 65

DESCRIPTION	GRADE 65
Tensile strength (ksi)	65-85
Tensile strength (MPa)	450-585
Yield strength (ksi)	35
Yield strength (MPa)	240
Elongation in 200mm (min)(%)	19
Elongation in 50mm (min) (%)	23

(Minimum values unless stated otherwise)

(Please note: the technical information above is for guidance only – for exact specifications please check with our Sales Team)

ASME SA516 Grade 70

ASME SA516 Grade 70 – one Masteel’s most popular steel grades, the material is highly sort after for welded fabrication in industrial pressure vessels and boilers.

Used throughout the oil, gas and petrochemical industry the material is a normalized steel with excellent weldability and improved notch toughness i.e. the materials ability to absorb energy when a flaw is present.

We keep this material in stock with added stringent restrictions applied to the chemical, mechanical and testing requirements – this ensures that the material is available to you from our warehouse, regardless of your requirements.

Table 1: Chemical Composition of ASME SA516 Grade 70

Carbon (C)	%
12.5mm or less 12.5 – 50mm 50 – 100mm 100 – 200mm > 200mm	0.27 0.28 0.30 0.31 0.31
Manganese (Mn)	%
12.5mm or less • Heat Analysis : • Product Analysis : Over 12.5mm • Heat Analysis : • Product Analysis :	0.85-1.20 0.79-1.30 0.85-1.20 0.79-1.30
Phosphorus (P)	%
(max)	0.035
Sulphur (S)	%
(max)	0.035
Silicon (Si)	%
• Heat Analysis : • Product Analysis :	0.15-0.40 0.13-0.45

(Maximum values unless stated otherwise)

Table 2: Mechanical Properties of ASME SA516 Grade 70

DESCRIPTION	GRADE 70
Tensile strength (ksi)	70-90
Tensile strength (MPa)	485-620
Yield strength (ksi)	38
Yield strength (MPa)	260
Elongation in 200mm (min)(%)	17
Elongation in 50mm (min) (%)	21

(Minimum values unless stated otherwise)

(Please note: the technical information above is for guidance only – for exact specifications please check with our Sales Team)

Chemical Composition of Boiler Steel Plates / Sheets

C						Mn		P max	S max	Si max
	t < 12.5 mm	12.5mm < t =50mm	50mm < t ≤ 100mm	100mm < t ≤ 200mm	t < 200 mm	t < 12.5 mm	t 12s.5 mm	P max	S max	Si max
A516 Grade 55	0.18	0.2	0.22	0.24	0.26	06-09	0.55-0.98	0.035	0.035	0.15-0.4
A516 Grade 60	0.21	0.23	0.25	0.27	0.27	06-09	0.85-1.2	0.035	0.035	0.15-0.4
A516 Grade 65	0.24	0.26	0.28	0.29	0.29	0.85-1.2	0.85-1.2	0.035	0.035	0.15-0.4
A516 Grade 70	0.27	0.28	0.3	0.31	0.31	0.85-1.2	0.85-1.2	0.035	0.035	0.15-0.4

Mechanical Properties Of Boiler Steel Plates & Sheets

	Tensile Strength (ksi)	Tensile Strength (MPa)	Yield Strength (ksi)	Yield Strength (MPa)	Elongation in 200mm(%)	Elongation in 50mm(%)
A516 Grade 55	55-75	380-515	30	205	23	27
A516 Grade 60	60-80	415-550	32	220	21	25
A516 Grade 65	65-85	450-585	35	240	19	23
A516 Grade 70	70-90	485-620	38	260	17	21

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