15CrMn hot rolled round bars and forged round bars

15CrMn steel round bar is belongs to alloy structural round bar and it under Chinese standard  GB/T 3077-1988. 15CrMn round bar is carburizing round bar with good harden ability, Its surface hardness is high and good abrasion resistance. The more information of 15CrMn hot rolled and forged round bar shown in the following table:

15CrMn round bar delivery condition: Hot rolled or forged  + Normalizing+Tempering+Quenching and tempering+Normalizing and tempering+Annealing.
15CrMn round bar size: Ф 5-80 for hot rolled round bar and Ф 80-1200 for forged round bar ,the length range is from 3000 to 12000mm.
The tolerance of the diameter is -0/+3mm ,The tolerance of the length is -0/+20mm.and the straightness tolerance is ≤3mm/m
surface delivery status: black/polishing/turning
UT standard are Chinese standard of GB/T 6402 I,II,III and export standard SEP1921 CLASS C/C，D/D，E/E.　

15CrMn hot rolled and forged round bar Chemical composition

15CrMn hot rolled and forged round bar Mechanical properties

15CrMn hot rolled round bars application:
are used in the manufacture of the gear, worm gear, plastic mold, steam turbine oil seal and shaft sleeve and soon.

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