收藏词条 编辑词条 日本合金结构钢号
12 机械结构用合金钢管
JIS G3441
牌 号 |
化学成分(质量分数)/% |
||||||||
C |
Si |
Mn |
P ≤ |
S ≤ |
Cr |
Mo |
Ni ≤ |
Cu ≤ |
|
SCM 415 TK |
0.13~0.18 |
0.15~0.35 |
0.60~0.85 |
0.030 |
0.030 |
0.90~1.20 |
0.15~0.30 |
0.25 |
0.30 |
SCM 418 TK |
0.16~0.21 |
0.15~0.35 |
0.60~0.85 |
0.030 |
0.030 |
0.90~1.20 |
0.15~0.30 |
0.25 |
0.30 |
SCM 420 TK |
0.18~0.23 |
0.15~0.35 |
0.60~0.85 |
0.030 |
0.030 |
0.90~1.20 |
0.15~0.30 |
0.25 |
0.30 |
SCM 430 TK |
0.28~0.33 |
0.25~0.35 |
0.60~0.85 |
0.030 |
0.030 |
0.90~1.20 |
0.15~0.30 |
0.25 |
0.30 |
SCM 435 TK |
0.33~0.38 |
0.15~0.35 |
0.60~0.85 |
0.030 |
0.030 |
0.90~1.20 |
0.15~0.30 |
0.25 |
0.30 |
SCM 440 TK |
0.38~0.43 |
0.15~0.35 |
0.60~0.85 |
0.030 |
0.030 |
0.90~1.20 |
0.15~0.30 |
0.25 |
0.30 |
SCM 420 TK |
0.18~0.23 |
0.15~0.35 |
0.60~0.85 |
0.030 |
0.030 |
0.90~1.20 |
|
0.25 |
0.30 |
牌 号 |
化学成分(质量分数)/% |
||||||
C |
Si |
Mn |
P ≤ |
S ≤ |
Cr |
Ni ≤ |
|
STPA 12 |
0.10~0.20 |
0.10~0.50 |
0.30~0.80 |
0.035 |
0.035 |
|
0.45~0.65 |
STPA 20 |
0.10~0.20 |
0.10~0.50 |
0.30~0.80 |
0.035 |
0.035 |
0.50~0.80 |
0.45~0.65 |
STPA 22 |
≤0.15 |
≤0.50 |
0.30~0.60 |
0.035 |
0.035 |
0.80~1.25 |
0.45~0.65 |
STPA 23 |
≤0.15 |
0.50~1.00 |
0.30~0.60 |
0.030 |
0.030 |
1.00~1.50 |
0.45~0.65 |
STPA 24 |
≤0.15 |
≤0.50 |
0.30~0.60 |
0.030 |
0.030 |
1.90~2.60 |
0.87~1.13 |
STPA 25 |
≤0.15 |
≤0.50 |
0.30~0.60 |
0.030 |
0.030 |
4.00~6.00 |
0.45~0.65 |
STPA 26 |
≤0.15 |
0.25~1.00 |
0.30~0.60 |
0.030 |
0.030 |
8.00~10.0 |
0.90~1.10 |
牌 号 |
化学成分(质量分数)/% |
|||||||
C |
Si |
Mn |
P ≤ |
S ≤ |
Cr |
Mo |
Ni |
|
STH 11 |
≤0.50 |
0.10~0.35 |
≤1.80 |
0.035 |
0.035 |
|
|
|
STH 12 |
0.30~0.41 |
0.10~0.35 |
1.34~1.70 |
0.030 |
0.030 |
|
|
|
STH 21 |
0.25~0.35 |
0.15~0.35 |
0.40~0.90 |
0.030 |
0.030 |
0.80~1.20 |
0.15~0.30 |
≤0.25 |
STH 22 |
0.33~0.38 |
0.15~0.35 |
0.40~0.90 |
0.030 |
0.030 |
0.80~1.20 |
0.15~0.30 |
≤0.25 |
STH 31 |
0.35~0.40 |
0.10~0.50 |
1.20~1.50 |
0.030 |
0.030 |
0.30~0.60 |
0.15~0.25 |
0.50~1.00 |