Home » Long steel » Round bar 35CRMOA,steel bar 42CrMo,round bar 42crmoA alloy steel materials

Round bar 35CRMOA,steel bar 42CrMo,round bar 42crmoA alloy steel materials

Round bar 35CRMOA,steel bar 42CrMo,round bar 42crmoA alloy steel materials shall be delivery with or without heat treatments,such as Normalized,Annealed or Tempered.

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Round bar 35CRMOA delivery as:

 

Quenching at 850 ℃,cooling in oil

Tempering at 550 ℃,cooling in water or oil

 

Steel bar 42CrMo requires Chromium and Molybdenum alloy in chemical composition,it is equal to AISI 4140 in American standard specification.

 

round bar 42crmo
round bar 42crmo

 

 

Round bar 42CrMoA requires lower P % and S % in chemical composition comparasion with Round bar 42CrMo,so round bar 42CrMoA is improved in steel property and steel strength.

 

round bar 42CRMOA
round bar 42CRMOA
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