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

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

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

SA542 Grade A 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 A 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 Class 1,SA542 Class 1 steel plate,ASME SA542 Class 1 steel plate,ASME SA542 Class 1 steel plate for pressure vessels,SA542Class1carbon-manganese-silicon steel,American standard SA542 Class 1.ASME SA542 Class 1.

 ASME SA542 Grade A Class 1 steel chemical composition :

Composition

GradeA

C

Heatanalyse

≤0.15

 

Productanalyse

≤0.18①

Mn

Heatanalyse

0.30~0.60

 

Productanalyse

0.25~0.66

P≤

Heatanalyse

0.025

 

Productanalyse

0.025

S≤

Heatanalyse

0.025

 

Productanalyse

0.025

Si≤

Heatanalyse

0.50

 

Productanalyse

0.50

Ni≤

Heatanalyse

0.40

 

Productanalyse

0.43

Cr

Heatanalyse

2.00~2.50

 

Productanalyse

1.88~2.62

Mo

Heatanalyse

0.90~1.10

 

Productanalyse

0.85~1.15

B

Heatanalyse

-

 

Productanalyse

-

V

Heatanalyse

≤0.03

 

Productanalyse

≤0.04

Ti

Heatanalyse

-

 

Productanalyse

-

Ca②

 

-

Cu≤

Heatanalyse

0.40

 

Productanalyse

0.43

Nb

Heatanalyse

-

 

Productanalyse

-

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 A Class 1 steel mechanical properties :

Tensilestrengthksi(Mpa)

105-125(725-860)

Yieldstrength,Min,ksi(Mpa)

85(585)

Elongation2in(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 .

Related link :

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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