Professional supplier of JIS SK5 cold rolled & hardened carbon tool steel strip. Check chemical composition, hardness (HRC), sizes, and applications for blades, springs, and precision tools. Get a custom quote from Cgoodsteel.

C100S, SK4 steel materials are high carbon steel which can be  supplied annealed, quenched & tempered states due to the good hardness and toughness. The steel materials are used for making band saw blade, spring, washer, tape measure etc.

60SiCr7, SUP7 and 60Si2MnA as equivalent materials, they have characteristics with high hardenability, high toughness and plasticity, low decarburization, good tempering stability, good working performance and low cost.