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Home > ASTM > ASTM A542 Grade E alloy steel plates for pressure vessels

ASTM A542 Grade E alloy steel plates for pressure vessels

A542 Grade E in the standard A-542/A-542M is a kind of Mo-V alloy steel plates material used to fabric high temperature pressure vessels. A542 have Five grades or levels. They are : grade A, grade B, grade C, grade D, grade E . A542 Grade E need to be done the (Quenching + Tempering ) heat-treatment to meet the property requirement in the standard ASTM A-542/A-542M.

ASTM A542 Grade E steel chemical composition :

Composition		Grade B
C	Heat analyse	0.10~0.15
C	Product analyse	0.06~0.18
Mn	Heat analyse	0.30~0.60
Mn	Product analyse	0.25~0.66
P ≤	Heat analyse	0.010
P ≤	Product analyse	0.010
S ≤	Heat analyse	0.010
S ≤	Product analyse	0.010
Si ≤	Heat analyse	0.15
Si ≤	Product analyse	0.15
Ni ≤	Heat analyse	0.25
Ni ≤	Product analyse	0.28
Cr	Heat analyse	2.85-3.25
Cr	Product analyse	2.63-3.37
Mo	Heat analyse	0.90~1.10
Mo	Product analyse	0.85~1.15
B	Heat analyse	-
B	Product analyse	-
V	Heat analyse	0.20-0.30
V	Product analyse	0.18-0.33
Ti	Heat analyse	-
Ti	Product analyse	-
Ca②		0.005-0.0015
Ca②		-
Cu≤	Heat analyse	0.25
Cu≤	Product analyse	0.28
Nb	Heat analyse	0.015-0.070
Nb	Product analyse	0.010-0.075

Note : ① In A 542/A 542M-82 standard and the earlier standard, the steel plates whose thickness ≤ 125mm, C must be ≤ 0.15%
② Ca can be replace by REM as the agreement with manufacturer and buyer, if like this, then the total amount of REM should be stated.

ASTM A542 Grade E steel mechanical properties :

ASTM A542 Grade E	Class 4	Class 4a
Tensile strength ksi（Mpa）	85-110（585-760）	85-110（585-760）
Yield strength , Min , ksi（Mpa）	55（380）	60（415）
Elongation 2in（50mm），%，A	20	18

Shanghai Royal Industry is a professional ASTM A542 steel stockist and supplier. We can supply different product type of ASTM A542. If you have any need of ASTM A542 steel please do not hesitate to contact us .

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