Chemical Composition(%) & Mechanical Propertise ：

Standard

Grade

Chemical Composition (%)

ASTMA106/

ASMESA106

C

Mn

Si

Cu

Ni

Ni

Mo

V

P

S

A

≤ 0.25

0.27 ～ 0.93

≥ 0.10

≤ 0.40

≤ 0.40

≤ 0.40

≤ 0.15

≤ 0.08

≤ 0.035

≤ 0.035

B

≤ 0.30

0.29 ～ 1.06

≥ 0.10

≤ 0.40

≤ 0.40

≤ 0.40

≤ 0.15

≤ 0.08

≤ 0.035

≤ 0.035

C

≤ 0.35

0.29 ～ 1.06

≥ 0.10

≤ 0.40

≤ 0.40

≤ 0.40

≤ 0.40

≤ 0.08

≤ 0.035

≤ 0.035

Mechanical
 Properties

             Tensile Strength(Mpa)

Yield Strength(Mpa)

≥ 330

≥ 485

≥ 415

≥ 240

≥ 485

≥ 275