Alloy Tool Steel 4140:
Alloy Tool Steel AISI 4140, 42CrMo4
Chemical composition for reference: (%)
C:0.38-0.45
Si:0.17-0.37
Mn:0.50-0.80
Cr:0.90-1.20
S: ≤ 0.03
P: ≤ 0.03
Mo:0.15-0.25
Smelting process: EAF+LF+VD+ESR
Size range:
Flat bar 20mm-300mmx200mm-600mm
Surface condition: black or machined light
Characteristics:
High strength
High quenching degree
Good toughness
High creep strength
Repeated impact resistant capability
Application:
Used for manufacturing elements with high strength, comparatively large cross
dimensions as axes, gears, and connecting bars, plastic moldings large and medium sized application
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