收藏词条 编辑词条 日本结构用碳素钢号
创建时间:2008-08-02
8 焊接结构用钢
JIS G3106
牌 号 |
尺寸/mm |
化学成分(质量分数)/% |
|||||
C ≤ |
Si ≤ |
Mn ≤ |
P ≤ |
S ≤ |
碳当量,CE ≤ |
||
SM 400 A |
≤50 |
0.23 |
|
≥2.5×C |
0.035 |
0.035 |
|
50~200 |
0.25 |
|
≥2.5×C |
0.035 |
0.035 |
|
|
SM 400 B |
≤50 |
0.20 |
0.35 |
0.60~1.40 |
0.035 |
0.035 |
各牌号: |
50~200 |
0.22 |
0.35 |
0.60~1.40 |
0.035 |
0.035 |
0.44(≤50 mm) |
|
SM 400 C |
≤100 |
0.18 |
0.35 |
1.40 |
0.035 |
0.035 |
|
SM 490 A |
≤50 |
0.20 |
0.55 |
1.60 |
0.035 |
0.035 |
0.47(50~100 mm) |
50~200 |
0.22 |
0.55 |
1.60 |
0.035 |
0.035 |
|
|
SM 490 B |
≤50 |
0.18 |
0.55 |
1.60 |
0.035 |
0.035 |
|
50~200 |
0.20 |
0.55 |
1.60 |
0.035 |
0.035 |
|
|
SM 490 C |
≤100 |
0.18 |
0.55 |
1.60 |
0.035 |
0.035 |
|
SM 490 YA |
≤100 |
0.20 |
0.55 |
1.60 |
0.035 |
0.035 |
|
SM 490 YB |
≤100 |
0.20 |
0.55 |
1.60 |
0.035 |
0.035 |
|
SM 520 B |
≤100 |
0.20 |
0.55 |
1.60 |
0.035 |
0.035 |
|
SM 520 C |
≤100 |
0.20 |
0.55 |
1.60 |
0.035 |
0.035 |
|
SM 570 |
≤100 |
0.18 |
0.55 |
1.60 |
0.035 |
0.035 |
|