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SA302 grade a steel plate equal to 15CrMoR steel plate

SA302 Grade A steel plate used for manufacture boilers and pressure vessels with Mo (Min.0.45%) alloy.15CrMoR steel plate also used for boilers and with Mo alloy within 0.45-0.6% in heat analysis rolling.

Comparasion in chemical composition and mechanical strengths in below table,in most situiations,SA302 Grade A steel plate is equal to 15CrMoR steel plate when built boilers and pressure vessels.Xinsteel stock various dimensions of 15CrMoR steel plate and SA302 Grade A steel plate.
 

SA302GrA vs 15CrMoR

Chemical composition: Heat Analysis  Max%

Standard

Grade

C

Mn

P

S

Si

Cu

Ni

Cr

Mo

ASME SA302/SA302M

SA302GrA

0.20

0.95-1.30

0.025

0.025

0.15-0.40

-

-

-

0.45-0.6

GB/T 713

15CrMoR

0.08-0.18

1.15-1.50

0.025

0.010

0.15-0.40

0.30

0.30

0.8-1.2

0.45-0.6

Mechanical Properties:

Thickness

Yield strength

Tensile strength

Mpa  Min.

Mpa

ASME SA302/SA302M

SA302GrA

 

310

515-655

GB/T 713

15CrMoR

T≤60

295

450-690