SA299 Gr.B Steel Plate

Executive Standard: SA299 Gr. B steel plates comply with the ASME standard, specifically ASTM A299/A299M.

2026-08-26
ASTM SA299 Gr.A and SA299 Gr.B steel plates

SA299 is a carbon-manganese-silicon steel plate designed for pressure vessels—often referred to as "gas drum steel" under US standards.

2026-08-19
SA299 Gr. A Steel Plate for Boilers and Pressu

ntroduction to SA299 Gr.A Steel Plate:
SA299 Gr.A is a steel plate grade designated for boilers and pressure vessels under American standards.

2026-08-11
What is the difference between A285 Gr. C and

A285 Gr.C and SA285 Gr.C steel plates represent the same grade, though they are governed by different standards.

2026-08-04
What material is SA283 Gr.B?

SA283 Gr.B is a low-to-medium strength carbon structural steel plate conforming to the American Society of Mechanical Engineers (ASME) standard.

2026-07-31

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ASTM A516 wear-resistant high strength steel

Material name: medium and low temperature pressure vessel steel.

ASTM A516 wear-resistant high strengh Steel main purpose: Widely used in petroleum, chemical, power plants, boilers and other industries. Used in the reactor, boiler drum, separators, liquefied petroleum gas cylinder and other equipment and components.

Our grades: ASTM A516 Grade 60, ASTM A516 Grade 65, ASTM A 516 Grade 70

Chemical Composition of ASTM A516 Grade 60

Table 1: Chemical Composition of ASTM A516 Grade 60

Carbon (C)	%	Manganese (Mn)	%	Phosphorus (P)	%
12.5mm or less 12.5 - 50mm 50 - 100mm 100 - 200mm > 200mm	0.21 0.23 0.25 0.27 0.27	12.5mm or less Heat Analysis : Product Analysis : Over12.5mm Heat Analysis : Product Analysis :	0.6-0.9 0.55-0.98 0.85-1.20 0.79-1.30	(max)	0.035
Sulphur (S)	%	Silicon (Si)	%
(max)	0.035	Heat Analysis : Product Analysis :	0.15-0.40 0.13-0.45

Table 2: Chemical Composition of ASTM A516 Grade 65

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

Table 3: Chemical Composition of ASTM A516 Grade 70

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

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