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| 美标低温无缝管化学成分|美标低温管化学成分 |
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发布者：www.jswfgxs.com 发布时间：2010/3/14 阅读：1275次 【字体：大 中 小】 |
美标低温无缝管化学成分
|
标准 |
牌号 |
化学成分（％） |
|
C |
Si |
Mn |
P |
S |
Cr |
Ni |
Cu |
Mo |
V |
Al |
|
ASTM
A333 |
Grade 1 |
≤0.30 |
|
0.40-1.06 |
≤0.025 |
≤0.025 |
|
|
|
|
|
|
|
Grade 3 |
≤0.19 |
0.18-0.37 |
0.31-0.64 |
≤0.025 |
≤0.025 |
|
3.18-3.82 |
|
|
|
|
|
Grade 4 |
≤0.12 |
0.18-0.37 |
0.50-1.05 |
≤0.025 |
≤0.025 |
0.44-1.01 |
0.47-0.98 |
0.40-0.75 |
|
|
0.04-0.30 |
|
Grade 6 |
≤0.30 |
≥0.10 |
0.29-1.06 |
≤0.025 |
≤0.025 |
|
|
|
|
|
|
|
Grade 7 |
≤0.19 |
0.13-0.32 |
≤0.90 |
≤0.025 |
≤0.025 |
|
2.03-2.57 |
|
|
|
|
|
Grade 8 |
≤0.13 |
0.13-0.32 |
≤0.90 |
≤0.025 |
≤0.025 |
|
8.40-9.60 |
|
|
|
|
|
Grade 9 |
≤0.20 |
|
0.40-1.06 |
≤0.025 |
≤0.025 |
|
1.60-2.24 |
0.75-1.25 |
|
|
|
|
Grade 10 |
≤0.20 |
0.10-0.35 |
1.15-1.50 |
≤0.03 |
≤0.015 |
≤0.15 |
≤0.25 |
≤0.015 |
≤0.50 |
≤0.12 |
≤0.06 |
|
Grade 11 |
≤0.10 |
≤0.35 |
≤0.6 |
≤0.025 |
≤0.025 |
≤0.50 |
35.0-37.0 |
|
≤0.50 |
|
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