| . 工具钢 | |||||||||
| 标准号及名称 | 牌号 | ISO | AISI& l. i9 T6 [4 f- F9 Y, Y ASTM | BS | DIN VDEh | NF | GOCT | ||
| JIS G 4401% {9 d. _, j) h$ g 碳素工具钢 | SK1 | TC140 | - | - | - | Y 140 | Y13 | ||
| SK2 | TC120 | W1-111/2 | - | - | Y 120 | Y12 | |||
| SK3 | TC105 | W1-10 | - | C105W1 | Y 105 | Y11 | |||
| SK4 | TC90 | W1-9 | - | - | Y 90 | Y10 | |||
| SK5 | TC90 TC80 | W1-8 | - | C80W1 | Y 90 Y 80 | Y8G Y9 | |||
| SK6 | TC80 TC70 | - | - | C80W1 | Y 80( Y% l! b g$ ]/ M. F Y 70 | Y8 | |||
| SK7 | - | - | - | C70W2 | Y 70 | Y7 | |||
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