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 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.
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