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ASTM A542 Grade C Class 3 alloy steel plates for pressure vessels

ASTM A542 Grade C Class 3 alloy steel plates for pressure vessels

SA542 Grade C Class 3 in the standard A-542/SA-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 C Class 3 need to be done the (Quenching + Tempering ) heat-treatment to meet the property requirement in the standard ASTMA-542/SA-542M.

Key words:A542 Grade C Class 3,ASTM A542 Grade C Class 3,A542 Grade C Class 3 steel plate,ASTM A542 Grade C Class 3 high tensile alloy steel plates,ASTM A542 Grade C Class 3 for fabric high temperature pressure vessels

ASTMA542 Grade C Class 3 steel chemical composition

Composition

Grade B

C

Heat analyse

0.11~0.15

Product analyse

0.08~0.18

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

0.13

Product analyse

0.13

Ni ≤

Heat analyse

0.25

Product analyse

0.28

Cr

Heat analyse

2.75~3.25

Product analyse

2.63~3.37

Mo

Heat analyse

0.90~1.10

Product analyse

0.85~1.15

B

Heat analyse

0.001-0.003

Product analyse

-

V

Heat analyse

0.20-0.30

Product analyse

0.18-0.33

Ti

Heat analyse

0.015-0.035

Product analyse

0.005-0.045

Ca②

 

-

 

-

Cu≤

Heat analyse

0.25

Product analyse

0.28

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 C Class 3 steel mechanical properties :

Tensile strength ksi(Mpa)

95-115(655-795)

Yield strength , Min , ksi(Mpa)

75(515)

Elongation 2in(50mm),%,A

20

Shanghai Royal Industry is a professional ASTM A542 steel stockist and supplier. We can supply different product type of ASTMA542. If you have any need of ASTMA542 steel please do

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

-

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