Round Bar JIS SCM 440
Applications
Ocean oil drilling
Industrial machinery
Automotive parts
Shaft, cof wheels, pinions & connecting rods
Similar Foreign Steel Grade
AISI / SAE: 4140
JIS: SCM 440
DIN: 42 CrMo 4
Heat Treatment Data
Quencing: 830 – 880°C
Tempering: 530 – 630°C