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ASSAB Machinery Steel

Large variety of standardized machinery steels in flat, round and square sections. The programme includes steels with highly improved machinability for high productivity.


Grade ASSAB
Grade Uddeholm
Chemical Composition (%)
C Mn Cr Mo V W Others
 Hardness supplied approx. HB
Ref. Standard
AISI W.nr JIS
 Characteristics Applications
705
-
0.35
 0.70 1.40 0.20 - - Ni 1.40 275-335 4340 1.6582 SNCMB High strength machinery steel. Suitable for induction and flame hardening. Suitable for induction hardening and can be nitrided or tuffrided to a surface hardness of 600 - 650 Vickers.
709
-
0.42
 0.75 1.05 0.20 - - - 245-290 4140 1.7225 SCM4 Tough-hardened alloyed machinery steel suitable for induction and flame hardening. Suitable for flame and induction hardening and can be nitrided or tuffrided to a surface hardness of 600 - 650 Vickers.
760
-
0.45
 0.70 - - - - - 210 1045/1050 1.1730 S50C General utility machinery steel for parts requiring wear resistance at low loads. Punch holders (jigs), die holders (fixtures), guide plates (simple bending dies), backing plates (simple structural components).