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Society |
Standard or usage |
Steel grade |
chemical composition, % |
C |
Si |
Mn |
P |
S |
Cr |
Ni |
Cu |
Al |
Mo |
V |
P+S |
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 |
- |
- |
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 |
- |
ABS |
for pressure |
Grade 3 |
≤ 0.30 |
- |
≤ 1.20 |
≤ 0.050 |
≤ 0.045 |
≤ 0.40 |
≤ 0.40 |
≤ 0.40 |
- |
≤ 0.15 |
≤ 0.08 |
- |
BV |
for pressure |
410HB |
≤ 0.21 |
≤ 0.35 |
0.40 ~1.20 |
≤ 0.040 |
≤ 0.040 |
- |
- |
- |
- |
- |
- |
- |
LR |
for pressure |
410 |
≤ 0.21 |
≤ 0.35 |
0.40 ~1.20 |
≤ 0.045 |
≤ 0.045 |
≤ 0.25 |
≤ 0.30 |
≤ 0.30 |
- |
≤ 0.10 |
- |
- |
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 |
- |
- |
- |
- |
- |
- |
- |
NK |
for pressure |
grade 1 No3/ KSTPG 42 |
≤ 0.30 |
≤ 0.35 |
0.30 ~1.00 |
≤ 0.040 |
≤ 0.040 |
- |
- |
- |
- |
- |
- |
- |
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 |
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