4140 钢材的化学成分

StandardGB: 42CrMo AISI: 4140 DIN: 1.7225 JIS: SCM440

Chemical compositionC SI Mn P S Cr Mo Ni

Features of 4140 alloy steel

1, Chromium molybdenum alloy steel

2, Slightly higher carbon content then 4130

3, Greater strength and heat treatment

Typical Applications

1, Applications in the oil and gas sector

2, Connection rods, collets, conveyor pins,

3, Gears, stem assemblies,

4, Pump shafts and tool holders

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