Calculated Industries 4088 - Appendix

User's Guide — 61
(cont'd)
APPENDIX A - WORKPIECE MATERIAL CONVERSION TABLE
WORKPIECE MATERIALS CONVERSION TABLE (1 of 3)
Material Hardness
AISI /ASTM/
SAE
DIN
WR
(DIN)
JIS BS SS
Low-carbon
Steel
120-170 HB 1020 C22 1.0402
S 20 C;
S 20 CK
S 22 C
055 M 15 1450
Medium-carbon
Steel
160-210 HB 1045 C45 Ck 45
1.0503
1.1191
S 45 C S 48 C
080 M 46


High-carbon
Steel
180-230 HB 1060 C60 Ck 60
1.0601 1.1221
S 58 C 060 A 62
 
Chromium-
molybdenum
Alloy Steel
175-225 HB 4140
41CrMo4 42CrMo4
1.7223 1.7225
SCM 4
SCM 440
SCM 440 (H)
SNB 7
708 M 40 
Nickel-
chromium-
molybdenum
Alloy Steel
175-225 HB 4340
40NiCrMo8-4
34CrNiMo6 36CrNiMo4 40NiCrMo6
1.6562 1.6582
1.6511
1.6565
SNB 24-1-5
SNCM 447 SNCM 439
816 M 40;
817 M 40 817 M 37
817 A 37;
818 M 40

Chromium Alloy
Steel
175-225 HB 52100 100Cr6 1.3505 SUJ 2
2 S 135;
535 A 99
2258