QUALITY ASSURANCE

ASTMA53M


ASTMA53M  Standard of American Society for Testing &Materials

ASTMA106M Standard of American Society for Testing &Materials

Standard

Grade

C

Si

Mn

P

S

Ni

Cr

Ci

MO

V

ASTMA 53M


A

0.25


0.95

0.05

0.045

0.4

0.4

0.4

0.15

0.08

B

0.3


1.2

0.05

0.045

0.4

0.4

0.4

0.15

0.08

ASTMA 106M



A

0.25

0.1

0.27-0.93

0.035

0.035

0.4

0.4

0.4

0.15

0.08

B

0.3

0.1

0.29-1.06

0.035

0.035

0.4

0.4

0.4

0.15

0.08

C

0.35

0.1

0.29-1.06

0.035

0.035

0.4

0.4

0.4

0.15

0.08


Mechanical Properties

Standard

Grade

tensile strength(MPa)

yield strength
(Mpa)

ASTMA 53M


A

≥330

205

B

≥415

240

ASTMA 106M



A

330

205

B

415

240

C

485

275