51CRV4 material for band saw blade
HongSheng band saw blade made from GW company's hgih carbon and spring alloy steel
Normaly grade has c67s, c75s, c75cr1, 51crv4,sk5,and sk4 so on.
Material with good flatness and straightness, and high flexible tensile after hardening.
So that the band saw blade is high wear and fatigue resistant.