4150 Steel

Shapes Available

  • Round Bar

Industries

  • Aerospace
  • Manufacturing
  • Oil Refining

Industry Names

  • 4150 H
  • 4150
  • 4150 Annealed
  • 4150 H Band

Material

  • Cold Finished and Alloy

Specifications

  • AMS 2301
  • ASTM A322
  • ASTM A331
  • ASTM A505
  • MIL-S-11595
  • UNS G41500

Applications

  • Aircraft Applications
  • Axles
  • Bolts
  • Shafts
  • Valves

Features

  • Adequate Toughness
  • Good Machinability
  • High Resistance to Impact

4150 steel is resulphurized with a modified chemistry of this medium carbon alloy steel that provides deeper hardenability. The addition of Sulphur along with a Calcium treatment results in improved machinability. For more information on alloy steels check out Michlin’s most recent video below:


Please contact us to request a quote. We specialize in hard to find material.

We work closely with many manufacturers in the aerospace & defense industry. We work with NADCAP approved heat treaters and testing laboratories. We can supply DFARS compliant material.

Chemical Composition
ElementMinMax
C0.48 0.53
Cr0.80 1.00
Mn0.7 1.00
Mo0.15 0.25
P- 0.035
S- 0.04
Si0.15 0.30
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