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DIN 1.7225/ 42CrMo4/4140 Special Alloy Steel


 

Special Alloy Steel 1.7225/42CrMo4

Equivalent grades: DIN1.7225/42CrMo4 , AISI 4140/SAE4140, GB 42CrMo
 

Chemical composition :(%)

C

Si

Mn

Cr

Mo

P

S

0.38-0.43

0.40max

0.60-0.90

0.90-1.20

0.15-0.30

0.035max

 Available sizes: Round dia 16mm to 600mm; flat 16 - 400mm x 200 – 800mm


 Manufacture: EF/ESR, hot forged/ hot rolled


 Surface condition: black/grinded/rough turned/milled


 Delivery condition: annealed/quenched and tempered(Q+T)


 Hardness: annealed, 241HBS max/ after Q+T, hardness requested by buyer


 
 
  Characteristics: special alloy steel, engineering steel supplied in quenched and tempered conditions. Very good machinability. High toughness. High creep strength. Repeated impact resistant capability.


 Applications: components with high requirements on toughness, e.g. gear wheels, pinions, connecting rods, parts for mechanical engineering.


(All technical information is for reference only.)

 




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