China 50crva Ck67 C75s C90s Annealed Tempered Spring Steel Strip, Find details about China Building Material, Steel Strip from 50crva Ck67 C75s C90s Annealed Tempered Spring Steel Strip
Delivery condition (strip, coil, sheet) | Grade based on DIN Standard | High quality heat treating steel strip, coil, sheet supply capacity and condition | |||
Hardness<20HRC | Hardness 29-55HRC | ||||
annealed | hardened and tempered | ||||
thickness | Width | thickness | Width | ||
High carbon steel | CK50, CK55, CK60, CK67, CK70, CK75, C75Cr1 | 0.15-2.5mm | 8-600mm | 0.15-2.5mm | 8-300mm |
Alloy spring steel | 50CrV4,51CrV4, 60Si2Mn | 0.20-2.2mm | 8-180mm | 0.20-2.2mm | 8-180mm |
Edge process | Slit edge; both rounded; one side round, one side slit; square etc |
Finish surface | Polished (blue, yellow, white, gray-blue, black, bright) or Nature etc |
Tolerance | Thickness +/-0.01mm max; width +/-0.05mm max |
Physical property | Tensile strength: 450-1850N/mm2 |