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 A285 grade B steel plate

ASTM A285 standard specification for pressure vessel plates, carbon steel, low- and intermediate-tensile strength.
ASTM A285 plates are normally supplied in the as-rolled condition. The plates may be ordered normalized or stress relieved, or both.

ASTM A285 steel plate specification:
Thickness: 6MM to 300MM,
Width: 1500mm to 4050mm,
Length: 3000mm to 15000mm

A285 grade B Chemical Composition
Grade	The Element Max (%)
Grade	C	Si	Mn	P	S
A285 grade B	0.22	0.08-0.45	0.98	0.035	0.035

Carbon Equivalent: Ceq = 【C+Mn/6+(Cr+Mo+V)/5+(Ni+Cu)/15】%

Grade	A285 grade BMechanical Property
	Thickness	Yield	Tensile	Elongation
A285 grade B	mm	Min Mpa	Mpa	Min %
	6-50	185	345-485	28%
	50-200	185	345-485	25%

A285 grade B Equivalent steel
Europe	Germany	Japan
P235GH	HI	SPV 24

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