ASTM 4140 Steel | 1.7225 | 42CrMo4 | SCM440
1.7225/42CrMo4: SCM440: 42CrMo: 42CrMo4 . 5. ASTM 4140 Steel Material Mechanical Properties . Mechanical properties of steel 42CrMo4 (1.7225) Nominal diameter (mm): to 16: 16 – 40: ... AISI 4140 Steel Hardening & Quenching; 4140 Steel is usually used at 18-22 HRc, If needs, AISI 4140 alloy steel can be hardened or Quenching by cold work. ...