Element

N

C

H

Fe

O

AI

V

Mo

Ni

Pd

Ti

 Type  

GR.1

≤0.03

≤0.08

≤0.015

≤0.2

≤0.18

Residual

GR.2

≤0.03

≤0.08

≤0.015

≤0.3

≤0.25

Residual

GR.3

≤0.05

≤0.08

≤0.015

≤0.3

≤0.35

Residual

GR.7

≤0.03

≤0.08

≤0.015

≤0.3

≤0.25

0.12-0.25

Residual

GR.9

≤0.02

≤0.08

≤0.015

≤0.25

≤0.15

2.5-3.3

2.0-3.0

Residual

GR.12

≤0.03

≤0.08

≤0.015

≤0.3

≤0.25

0.2-0.4

0.6-0.9

Residual

GR.16

≤0.03

≤0.08

≤0.015

≤0.3

≤0.25

0.04-0.08

Type

Tensile Testing

GR.1

σb≥240Mp a

138Mpa≤σ0.2≤310Mp a

δ≥24%

GR.2

σb≥345Mp a

275Mp a≤σ0.2≤450Mp a

δ≥20%

GR.3

σb≥450Mp a

380Mp a≤σ0.2≤550Mp a

δ≥18%

GR.7

σb≥345Mp a

275Mp a≤σ0.2≤450Mp a

δ≥20%

GR.9A

σb≥620Mp a

483Mp a≤σ0.2

δ≥15%

GR.9B

σb≥860Mp a

725Mp a≤σ0.2

δ≥10%

GR.12

σb≥483Mp a

345Mp a≤σ0.2

δ≥18%

GR.16

σb≥345Mp a

275Mp a≤σ0.2≤450Mp a

δ≥20%