hot rolled steel square bars

1.Specification Dia 20-80*40-800mm 80-300*500-800mm,Length 1-4m
2.Grade
China:4Cr5MoSiV1 /
America:H13 /
Germany:X40CrMoV51 /
Japan:SKD61 / Bohler:W302
3.Application Statically and dynamically stressed components for vehicles,engines and machines.For parts of larger cross-sections,crankshafts,gears.
4.Delivery condition Hot forged + Rough machined(black surface after Q/T) + Turned(optional)
hot rolled steel square bars