20CrMo hot rolled round bars and forged round bars

20CrMo round bar is the alloy structural round bar under the standard of GB/T 3077-1988. And it has high harden ability and no temper brittleness,its weldability is quite good, the tendency of the formation of cold cracking is small, and it also has good machinability and cold plastic strain. Generally speaking ,20 CrMo round bar is used in conditioning or carburizing and quenching condition, it mainly used to make Gear, shaft ,fasteners, flanges, nuts, etc .

20 CrMo round bar delivery condition:hot rolled or forged + Normalizing+Tempering+Quenching and tempering+Normalizing and tempering+Annealing .
20 CrMo 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.
20 CrMo round bar tolerance: -0/+3mm ,The tolerance of the length is -0/+20mm.and the straightness tolerance is ≤3mm/m
surface delivery status: black/polishing/turning
The UT standard what we can do are Chinese standard of GB/T 6402 I.II,III and export standard SEP1921 CLASS C/C，D/D，E/E.

20 CrMo hot rolled and forged round bar Chemical composition

20 CrMo hot rolled and forged round bar Mechanical properties

KUNFENG can supply under the GB/T 3077-1988 standard .we can also could do the UT test, impact test, Chemical analysis, mechanical test, and Simulated treatment according to our customer requirement.We are sincerely looking for your cooperation.