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1.7225 (AISI 4140) Alaşımlı İmalat Çeliği

General information

It is a steel known as tempering steel in the industry, which can be used in shafts, gears, and machine parts working under high tensile strength thanks to its high tensile strength.

Alloyed Carbon Steels Performance Chart

  • Yield Strength 45% 45%
  • Tensile Strength 60% 60%
  • Elongation at Break 25% 25%
  • Cross Sectional Area Reduction 40% 40%

The information given above is only for comparison with ALLOYED CARBON STEELS. For detailed technical information and information about material selection, please contact our technical team.

Chemical Composition

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% Carbon
1.7225 (AISI 4140)
0.38-0.45
% Silicon (Max.)
1.7225 (AISI 4140)
0.40
% Manganese
1.7225 (AISI 4140)
0.5-0.8
% Phosphorus (Max.)
1.7225 (AISI 4140)
0.035
% Sulfur (Max.)
1.7225 (AISI 4140)
0.035
% Chromium
1.7225 (AISI 4140)
0.9-1.2
% Molybdenum
1.7225 (AISI 4140)
0.15-0.30

Other information;

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1.7225 (AISI 4140) at Önerler

  • The 4140s in our stocks are mainly ASİL ÇELİK products,

  • Optimum microstructure,

  • Maximum performance,
  • Reliable manufacturer,
  • High homogeneity,
  • High machinability.

Stock Information

  • As a round, the diameter increases with small intervals from 10mm to 1000mm,
  • From 30x10mm to 600x300mm as flat bars and blocks,

Stock is kept continuously. For detailed stock measurements, please view our general stock list from the link below.

Click here to view our Önerler Çelik general stock list.

 We continuously diversify and strengthen our stocks in order to offer more suitable size options to our customers. 

Usage areas

  • Crankshaft in automobile and aircraft construction,

  • Axle shaft and sleeve,

  • Splined shaft, 

  • High ductility parts,

  • On gear wheels

widely used.