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化学成分 | C | Mn | P≤ | S≤ | Si≤ | |
0.06-0.18 | 0.27-0.63 | 0.035 | 0.035 | 0.25 | ||
ODのインチ(mm) | + | - |
1以下(25.4) | 0.10mm | 0.10mm |
1-1.1/2 (25.4-38.1の) incl | 0.15mm | 0.15mm |
1.1/2-2 (38.1-50.8) excl | 0.20mm | 0.20mm |
2-2.1/2 (50.8-63.5) excl | 0.25mm | 0.25mm |
2.1/2-3 (63.5-76.2) excl | 0.30mm | 0.30mm |
3-4 (76.2-101.6の) incl | 0.38mm | 0.38mm |
4-7.1/2 (101.6-190.5の) incl | 0.38mm | 0.64mm |
7.1/2-9 (190.5-228.6の) incl | 0.38mm | 1.14mm |
重量のインチ(mm) | + | - |
≤1.1/2 (38.1) | 20% | 0 |
>1.1/2 (38.1) | 22% | 0 |
Brinell硬度数 WT≥0.200Inch (5.1mm) | ロックウェル硬度数 WT≤0.200Inch (5.1mm) |
137HRB | 77HRB |