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Low-alloy steels

Osprey® 4140

G41400 · 4140

Osprey® 4140 is a low-alloy steel alloyed with chromium, molybdenum and manganese, and suitable for heat treatment by quench and tempering to achieve high hardness.

Chemical composition, %

C
0.38-0.43
Si
0.15-0.35
Mn
0.75-1.00
P
0.035
S
0.04
Cr
0.8-1.1
Mo
0.15-0.25
Fe
Bal.

Designations

UNSG41400
ASTM, AISI4140

Suitable processes

  • Additive manufacturing
  • Metal injection moulding

Other low-alloy steels

Osprey® 4340 G43400 · 4340 Osprey® 4365 Osprey® 4605 4605 Osprey® 8620 G86200 · 8620 Osprey® SAE 52100 52100 · 1.3505 · 100Cr6 · G4805 · UNS G52986 Osprey® SCM415 G41180 · 15CrMo · 4118 · SCM415