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Classification |
Designation |
C |
Si |
Mn |
P |
S |
Cu |
Ni |
Cr |
Ni+Cr |
Mo |
V |
JIS |
SAE |
Carbon steel |
S20C |
|
0.18-0.23 |
0.15-0.35 |
0.30-0.60 |
≤ 0.030 |
≤ 0.035 |
≤ 0.30 |
≤ 0.20 |
≤ 0.20 |
≤ 0.35 |
|
|
S30C(M) |
|
0.27-0.33 |
0.15-0.35 |
0.60-0.90 |
≤ 0.030 |
≤ 0.035 |
≤ 0.30 |
≤ 0.20 |
≤ 0.20 |
≤ 0.35 |
|
|
S35C(M) |
|
0.32-0.38 |
0.15-0.35 |
0.60-0.90 |
≤ 0.030 |
≤ 0.035 |
≤ 0.30 |
≤ 0.20 |
≤ 0.20 |
≤ 0.35 |
|
|
S45C(M) |
|
0.42-0.48 |
0.15-0.35 |
0.60-0.90 |
≤ 0.030 |
≤ 0.035 |
≤ 0.30 |
≤ 0.20 |
≤ 0.20 |
≤ 0.35 |
|
|
S50C(M) |
|
0.47-0.53 |
0.15-0.35 |
0.60-0.90 |
≤ 0.030 |
≤ 0.035 |
≤ 0.30 |
≤ 0.20 |
≤ 0.20 |
≤ 0.35 |
|
|
|
SAE1050 |
0.47-0.55 |
0.15-0.35 |
0.60-0.90 |
≤ 0.030 |
≤ 0.035 |
|
|
|
|
|
|
S55C(M) |
|
0.52-0.58 |
0.15-0.35 |
0.60-0.90 |
≤ 0.030 |
≤ 0.035 |
≤ 0.30 |
≤ 0.20 |
≤ 0.20 |
≤ 0.35 |
|
|
|
SAE1055 |
0.52-0.60 |
0.15-0.35 |
0.60-0.90 |
≤ 0.030 |
≤ 0.035 |
|
|
|
|
|
|
S60CM |
|
0.55-0.65 |
0.15-0.35 |
0.60-0.90 |
≤ 0.030 |
≤ 0.035 |
≤ 0.30 |
≤ 0.20 |
≤ 0.20 |
|
|
|
|
SAE1060 |
0.55-0.66 |
0.15-0.35 |
0.60-0.90 |
≤ 0.030 |
≤ 0.035 |
|
|
|
|
|
|
S65CM |
|
0.60-0.70 |
0.15-0.35 |
0.60-0.90 |
≤ 0.030 |
≤ 0.035 |
≤ 0.30 |
≤ 0.20 |
≤ 0.20 |
|
|
|
|
SAE1065 |
0.59-0.70 |
0.15-0.35 |
0.60-0.90 |
≤ 0.030 |
≤ 0.035 |
|
|
|
|
|
|
S70CM |
|
0.65-0.75 |
0.15-0.35 |
0.60-0.90 |
≤ 0.030 |
≤ 0.035 |
≤ 0.30 |
≤ 0.20 |
≤ 0.20 |
|
|
|
|
SAE1070 |
0.65-0.76 |
0.15-0.35 |
0.60-0.90 |
≤ 0.030 |
≤ 0.035 |
|
|
|
|
|
|
|
SAE1074 |
0.69-0.80 |
0.15-0.35 |
0.50-0.80 |
≤ 0.030 |
≤ 0.035 |
|
|
|
|
|
|
S75CM |
|
0.70-0.80 |
0.15-0.35 |
0.60-0.90 |
≤ 0.030 |
≤ 0.035 |
≤ 0.30 |
≤ 0.20 |
≤ 0.20 |
|
|
|
|
SAE1075 |
0.69-0.80 |
0.15-0.35 |
0.40-0.70 |
≤ 0.030 |
≤ 0.035 |
|
|
|
|
|
|
Ni-Cr-Mo steel |
SNCM220 |
|
0.17-0.23 |
0.15-0.35 |
0.60-0.90 |
≤ 0.030 |
≤ 0.030 |
≤ 0.30 |
0.40-0.70 |
0.40-0.65 |
|
0.15-0.30 |
|
|
SAE8620 |
0.17-0.23 |
0.15-0.35 |
0.60-0.90 |
≤ 0.035 |
≤ 0.040 |
≤ 0.35 |
0.40-0.70 |
0.35-0.60 |
|
0.15-0.25 |
|
Cr steel |
SCr420 |
|
0.18-0.23 |
0.15-0.35 |
0.60-0.85 |
≤ 0.030 |
≤ 0.030 |
≤ 0.30 |
≤ 0.25 |
0.90-1.20 |
|
|
|
|
SAE5046 |
0.43-0.48 |
0.15-0.35 |
0.75-1.00 |
≤ 0.035 |
≤ 0.040 |
≤ 0.35 |
≤ 0.25 |
0.20-0.35 |
|
|
|
Cr-Mo steel |
SCM415 |
|
0.13-0.18 |
0.15-0.35 |
0.60-0.85 |
≤ 0.030 |
≤ 0.030 |
≤ 0.30 |
≤ 0.25 |
0.90-1.20 |
|
0.15-0.30 |
|
SCM420 |
|
0.18-0.23 |
0.15-0.35 |
0.60-0.85 |
≤ 0.030 |
≤ 0.030 |
≤ 0.30 |
≤ 0.25 |
0.90-1.20 |
|
0.15-0.30 |
|
|
SAE4130 |
0.27-0.34 |
0.15-0.35 |
0.35-0.60 |
≤ 0.035 |
≤ 0.040 |
≤ 0.35 |
≤ 0.25 |
0.80-1.15 |
|
0.15-0.25 |
|
SCM435 |
|
0.33-0.38 |
0.15-0.35 |
0.60-0.85 |
≤ 0.030 |
≤ 0.030 |
≤ 0.30 |
≤ 0.25 |
0.90-1.20 |
|
0.15-0.30 |
|
Mn steel |
|
SAE1541 |
0.36-0.45 |
0.15-0.35 |
1.30-1.65 |
≤ 0.030 |
≤ 0.035 |
|
|
|
|
|
|
Mn-Cr steel |
SMnC443 |
|
0.40-0.46 |
0.15-0.35 |
1.35-1.65 |
≤ 0.030 |
≤ 0.030 |
≤ 0.30 |
≤ 0.25 |
0.35-0.70 |
|
|
|
Carbon tool steel
|
SK85[SK5(M)] |
|
0.80-0.90 |
0.10-0.35 |
0.10-0.50 |
≤ 0.030 |
≤ 0.030 |
≤ 0.25 |
≤ 0.25 |
≤ 0.30 |
|
|
|
SK95[SK4(M)] |
|
0.90-1.00 |
0.10-0.35 |
0.10-0.50 |
≤ 0.030 |
≤ 0.030 |
≤ 0.25 |
≤ 0.25 |
≤ 0.30 |
|
|
|
SK120[SK2(M)] |
|
1.15-1.25 |
0.10-0.35 |
0.10-0.50 |
≤ 0.030 |
≤ 0.030 |
≤ 0.25 |
≤ 0.25 |
≤ 0.30 |
|
|
|
|
Alloy tool steel |
SKS5 |
|
0.75-0.85 |
≤ 0.35 |
≤ 0.50 |
≤ 0.030 |
≤ 0.030 |
≤ 0.25 |
0.70-1.30 |
0.20-0.50 |
|
|
|
SKS51 |
|
0.75-0.85 |
≤ 0.35 |
≤ 0.50 |
≤ 0.030 |
≤ 0.030 |
≤ 0.25 |
1.30-2.00 |
0.20-0.50 |
|
|
|
Spring steel
|
SUP10 |
|
0.47-0.55 |
0.15-0.35 |
0.65-0.95 |
≤ 0.035 |
≤ 0.035 |
≤ 0.30 |
|
0.80-1.10 |
|
|
0.15-0.25 |
|
SAE6150 |
0.46-0.54 |
0.15-0.35 |
0.60-0.90 |
≤ 0.035 |
≤ 0.040 |
≤ 0.35 |
≤ 0.25 |
0.80-1.15 |
|
|
≤ 0.15 |
Cr-Bearing steel |
SUJ2 |
|
0.95-1.10 |
0.15-0.35 |
≤ 0.50 |
≤ 0.025 |
≤ 0.025 |
≤ 0.25 |
≤ 0.25 |
1.30-1.60 |
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