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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WSt 285

WSt 285 this material is mainly used to fabricate boiler and pressure vessel. So ,same the other boiler and pressure vessel using steel plate, this kind of steel has the good grain and Mechanical properties.

Main chemical composition in WSt 285 steel

Grades	C max	Si max	Mn.max	P max	S max	N max	AL min	Cr max	Cu max	Mo max	Ni max	Nb max	Ti max	V max
WSt 285	0.16	0.40	0.80-1.50	0.025	0.015	0.012	0.020	0.300	0.30	0.08	0.50	0.05	0.03	0.05

WSt 285 steel Mechanical Properties

Grade	Thickness ( mm)	Yield Strength MPa(min)	Tensile Strength MPa	Elongation % (min)
WSt 285	≤ 16	275	390 to 510	24
	16＜t ≤40	265	390 to 510	24
	40＜t ≤60	255	390 to 510	24
	6＜t ≤100	235	370 to 490	23
	100＜t ≤150	225	360 to 480	23
	150＜t ≤250	215	350 to 470	23

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