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Home > ASME > ASME SA542 Grade C Class 1 alloy steel plates for pressure vessels

ASME SA542 Grade C Class 1 alloy steel plates for pressure vessels

SA542 Grade C Class 1 in the standard SA-542/SA-542M is a kind of Mo-V alloy steel plates material used to fabric high temperature pressure vessels. SA542 have Five grades or levels. They are : grade A, grade B, grade C, grade D, grade E . SA542 Grade C Class 1 need to be done the (Quenching + Tempering ) heat-treatment to meet the property requirement in the standard ASTM SA-542/SA-542M.

Key words:SA542 Grade C Class 1,ASME SA542 Grade C Class 1,SA542 Grade C Class 1 alloy steel plates,SA542 Grade C Class 1 Mo-V alloy steel plates,ASME SA542 Grade C Class 1 alloy steel plates for fabric high temperature pressure vessels.

ASME SA542 Grade C Class 1 steel chemical composition

Composition		Grade B
C	Heat analyse	0.11~0.15
C	Product analyse	0.08~0.18
Mn	Heat analyse	0.30~0.60
Mn	Product analyse	0.25~0.66
P ≤	Heat analyse	0.025
P ≤	Product analyse	0.025
S ≤	Heat analyse	0.025
S ≤	Product analyse	0.025
Si ≤	Heat analyse	0.13
Si ≤	Product analyse	0.13
Ni ≤	Heat analyse	0.25
Ni ≤	Product analyse	0.28
Cr	Heat analyse	2.75~3.25
Cr	Product analyse	2.63~3.37
Mo	Heat analyse	0.90~1.10
Mo	Product analyse	0.85~1.15
B	Heat analyse	0.001-0.003
B	Product analyse	-
V	Heat analyse	0.20-0.30
V	Product analyse	0.18-0.33
Ti	Heat analyse	0.015-0.035
Ti	Product analyse	0.005-0.045
Ca②		-
Ca②		-
Cu≤	Heat analyse	0.25
Cu≤	Product analyse	0.28
Nb	Heat analyse	-
Nb	Product analyse	-

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.

ASME SA542 Grade C Class 1 steel mechanical properties :

Tensile strength ksi（Mpa）	105-125（725-860）
Yield strength , Min , ksi（Mpa）	85（585）
Elongation 2in（50mm），%，A	14

Shanghai Royal Industry is a professional ASME SA542 steel stockist and supplier. We can supply different product type of ASME SA542. If you have any need of ASME SA542 steel please do not hesitate to contact us .

ASME SA542 GradeA	Class1		Class2		Class3		Class4
ASME SA542 GradeB	Class1		Class2		Class3		Class4
ASME SA542 GradeC	Class1		Class2		Class3		Class4
ASME SA542 GradeD	Class1	Class2		Class3		Class4		Class4a
ASME SA542 GradeE	-

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