船级社

Society

标准或用途

Standard or usage

钢级
Steel grade

化学成分  chemical composition, %

C

Si

Mn

P

S

Cr

Ni

Cu

Al

Mo

V

P+S

德国船级社
GLR

Non alloly

GL-R 410

≤ 0.21

≤ 0.35

≤1.40

≤0.025

≤0.020

-

-

-

≥0.020

-

-

-

GB 18248

37Mn

0.34-0.40

0.10-0.30

1.35-1.65

≤0.030

≤0.030

≤0.30

≤0.30

≤0.20

-

-

-

≤0.055

EN 10297

34CrMo4

0.30-0.37

≤0.40

0.60-0.90

≤0.035

≤0.035

0.9-1.20

-

-

-

0.15

-0.30

-

-

挪威船级社
DNV

for pressure

ASTM A53/A53M

A53B

≤ 0.30

-

≤1.20

≤ 0.050

≤ 0.045

≤0.40

≤0.40

≤0.40

-

≤0.15

≤0.08

-

美国船级社
ABS

for pressure

Grade 3

≤0.30

-

≤1.20

≤0.050

≤0.045

≤0.40

≤0.40

≤0.40

-

≤0.15

≤0.08

-

法国船级社
BV

for pressure

410HB

≤0.21

≤0.35

0.40-1.20

≤0.040

≤0.040

-

-

-

-

-

-

-

英国船级社
LR

for pressure

410

≤0.21

≤0.35

0.40-1.20

≤0.045

≤0.045

≤0.25

≤0.30

≤0.30

-

≤0.10

-

-

韩国船级社
KR

for pressure

RST138

≤ 0.25

≤ 0.35

0.30-0.90

≤0.040

≤0.040

-

-

-

-

-

-

-

RST142

≤0.30

0.30-1.00

≤0.040

≤0.040

-

-

-

-

-

-

-

RST238

≤0.25

0.10-0.35

0.30-1.10

≤0.035

≤0.035

-

-

-

-

-

-

-

RST242

≤0.30

0.30-1.40

-

-

-

-

-

-

-

RST249

≤0.33

0.30-1.50

-

-

-

-

-

-

-

RST338

≤ 0.25

0.30-0.90

-

-

-

-

-

-

-

RST342

≤ 0.30

0.30-1.00

-

-

-

-

-

-

-

日本船级社
NK

for pressure

grade 1 No3/ KSTPG 42

≤ 0.30

≤ 0.35

0.30-1.00

≤ 0.040

≤ 0.040

-

-

-

-

-

-

-

中国船级社
CCS

for pressure

360

≤ 0.17

≤ 0.35

0.40-0.80

≤ 0.040

≤ 0.040

≤0.25

≤0.30

≤0.30

≤0.10

410

≤ 0.21

≤ 0.35

0.40-1.20

≤ 0.040

≤ 0.040

≤0.25

≤0.30

≤0.30

≤0.10

460

≤ 0.22

≤ 0.35

0.80-1.40

≤ 0.040

≤ 0.040

≤0.25

≤0.30

≤0.30

≤0.10

490

≤ 0.23

≤ 0.35

0.80-1.50

≤ 0.040

≤ 0.040

≤0.25

≤0.30

≤0.30

≤0.10