Home > ASTM > ASTM A542 Grade A Class 1 alloy steel plates for pressure vessels

ASTM A542 Grade A Class 1 alloy steel plates for pressure vessels

ASTM A542 Grade A Class 1 alloy steel plates for pressure vessels

A542 Grade A Class 1 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 A Class 1 need to be done the (Quenching + Tempering ) heat-treatment to meet the property requirement in the standard ASTM A-542/A-542M.

Key words:A542 Grade A Class 1,ASTM A542 Grade A Class 1,A542 Grade A Class 1 steel plate,ASTM A542 Grade A Class 1 high tensile alloy steel plates,ASTM A542 Grade A Class 1 for fabric high temperature pressure vessels

ASTM A542 Grade A Class 1 steel chemical composition :

Composition

Grade A

C

Heat analyse

≤ 0.15

 

Product analyse

≤ 0.18 ①

Mn

Heat analyse

0.30~0.60

 

Product analyse

0.25~0.66

P ≤

Heat analyse

0.025

 

Product analyse

0.025

S ≤

Heat analyse

0.025

 

Product analyse

0.025

Si ≤

Heat analyse

0.50

 

Product analyse

0.50

Ni ≤

Heat analyse

0.40

 

Product analyse

0.43

Cr

Heat analyse

2.00~2.50

 

Product analyse

1.88~2.62

Mo

Heat analyse

0.90~1.10

 

Product analyse

0.85~1.15

B

Heat analyse

-

 

Product analyse

-

V

Heat analyse

≤ 0.03

 

Product analyse

≤ 0.04

Ti

Heat analyse

-

 

Product analyse

-

Ca②

 

-

Cu≤

Heat analyse

0.40

 

Product analyse

0.43

Nb

Heat analyse

-

 

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.

ASTM A542 Grade A 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 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 .

Related link :

ASTM A542 Grade A

Class 1

Class 2

Class 3

Class 4

ASTM A542 Grade B

Class 1

Class 2

Class 3

Class 4

ASTM A542 Grade C

Class 1

Class 2

Class 3

Class 4

ASTM A542 Grade D

Class 1

Class 2

Class 3

Class 4

Class 4a

ASTM A542 Grade E

-

If necessary, please leave your message, we will contact you as soon as possible, thank you!

Name:
Email:
Tel:
Message:
 
Get in touch
Quick contact
Name:
E-mail:
Tel:
Message: