| . 工具钢 |
| 标准号及名称 | 牌号 | ISO | AISI9 _4 Q$ [) E' |$ j9 O+ C8 ?9 ~: N" A
ASTM | BS | DIN
; S8 N) F! L1 y# b; d) jVDEh | NF | GOCT |
JIS G 4401, t! p6 a. n8 g/ C; _
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( T9 B# A: k+ {8 C+ R
TC80 | W1-8 | - | C80W1 | Y 904 b6 j0 I3 P, F: ?7 c' i& L \
Y 80 | Y8G
( U% |8 W- l9 fY9 |
| SK6 | TC80: v7 y; F7 Y# ~2 c# z6 N7 l, [
TC70 | - | - | C80W1 | Y 80+ p! f) E S; e: ?$ f, @2 T
Y 70 | Y8 |
| SK7 | - | - | - | C70W2 | Y 70 | Y7 |