收藏词条 编辑词条 日本合金结构钢号
3 机械结构用Cr钢
JIS G4103
牌 号 |
化学成分(质量分数)/% |
||||||||
C |
Si |
Mn |
P ≤ |
S ≤ |
Cr |
Mo |
Ni |
Cu ≤ |
|
SNCM 220 |
0.17~0.23 |
0.15~0.35 |
0.60~0.90 |
0.030 |
0.030 |
0.40~0.65 |
0.15~0.30 |
0.40~0.70 |
0.30 |
SNCM 240 |
0.38~0.43 |
0.15~0.35 |
0.70~1.00 |
0.030 |
0.030 |
0.40~0.65 |
0.15~0.30 |
0.40~0.70 |
0.30 |
SNCM 415 |
0.12~0.18 |
0.15~0.35 |
0.40~0.70 |
0.030 |
0.030 |
0.40~0.65 |
0.15~0.30 |
1.60~2.00 |
0.30 |
SNCM 420 |
0.17~0.23 |
0.15~0.35 |
0.40~0.70 |
0.030 |
0.030 |
0.40~0.65 |
0.15~0.30 |
1.60~2.00 |
0.30 |
SNCM 431 |
0.27~0.35 |
0.15~0.35 |
0.60~0.90 |
0.030 |
0.030 |
0.60~1.00 |
0.15~0.30 |
1.60~2.00 |
0.30 |
SNCM 439 |
0.36~0.43 |
0.15~0.35 |
0.60~0.90 |
0.030 |
0.030 |
0.60~1.00 |
0.15~0.30 |
1.60~2.00 |
0.30 |
SNCM 447 |
0.44~0.55 |
0.15~0.35 |
0.60~0.90 |
0.030 |
0.030 |
0.60~1.00 |
0.15~0.30 |
1.60~2.00 |
0.30 |
SNCM 616 |
0.13~0.20 |
0.15~0.35 |
0.80~1.20 |
0.030 |
0.030 |
1.40~1.80 |
0.40~0.60 |
2.80~3.20 |
0.30 |
SNCM 625 |
0.20~0.30 |
0.15~0.35 |
0.35~0.60 |
0.030 |
0.030 |
1.00~1.50 |
0.15~0.30 |
3.00~3.50 |
0.30 |
SNCM 630 |
0.25~0.35 |
0.15~0.35 |
0.35~0.60 |
0.030 |
0.030 |
2.50~3.50 |
0.50~0.70 |
2.50~3.50 |
0.30 |
SNCM 815 |
0.12~0.18 |
0.15~0.35 |
0.35~0.60 |
0.030 |
0.030 |
0.70~1.00 |
0.15~0.30 |
4.00~4.50 |
0.30 |
4 机械结构用Cr-Mo钢
JIS G4104
牌 号 |
化学成分(质量分数)/% |
||||||||
C |
Si |
Mn |
P ≤ |
S ≤ |
Cr |
Mo |
Ni |
Cu ≤ |
|
SCr 415 |
0.13~0.18 |
0.15~0.35 |
0.60~0.85 |
0.030 |
0.030 |
0.90~1.20 |
|
≤0.25 |
0.30 |
SCr 420 |
0.18~0.23 |
0.15~0.35 |
0.60~0.85 |
0.030 |
0.030 |
0.90~1.20 |
|
≤0.25 |
0.30 |
SCr 430 |
0.28~0.33 |
0.15~0.35 |
0.60~0.85 |
0.030 |
0.030 |
0.90~1.20 |
|
≤0.25 |
0.30 |
SCr 435 |
0.33~0.38 |
0.15~0.35 |
0.60~0.85 |
0.030 |
0.030 |
0.90~1.20 |
|
≤0.25 |
0.30 |
SCr 440 |
0.38~0.43 |
0.15~0.35 |
0.60~0.85 |
0.030 |
0.030 |
0.90~1.20 |
|
≤0.25 |
0.30 |
SCr 445 |
0.43~0.48 |
0.15~0.35 |
0.60~0.85 |
0.030 |
0.030 |
0.90~1.20 |
|
≤0.25 |
0.30 |
5 机械结构用Mn、Mn-Cr钢
JIS G4105
牌 号 |
化学成分(质量分数)/% |
||||||||
C |
Si |
Mn |
P ≤ |
S ≤ |
Cr |
Mo |
Ni |
Cu ≤ |
|
SCM 415 |
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 |
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 |
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 421 |
0.17~0.23 |
0.15~0.35 |
0.70~1.00 |
0.030 |
0.030 |
0.90~1.20 |
0.15~0.30 |
0.25 |
0.30 |
SCM 430 |
0.28~0.33 |
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 432 |
0.27~0.37 |
0.15~0.35 |
0.30~0.60 |
0.030 |
0.030 |
1.00~1.50 |
0.15~0.30 |
0.25 |
0.30 |
SCM 435 |
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 |
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 445 |
0.43~0.48 |
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 822 |
0.20~0.25 |
0.15~0.35 |
0.60~0.85 |
0.030 |
0.030 |
0.90~1.20 |
0.35~0.45 |
0.25 |
0.30 |