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 0.15-3.0mm 3-320mm 0.15-2.5mm 3-300mm
Alloy spring steel 50CrV4, 51CrV4, 60Si2Mn 0.15-3.0mm 3-320mm 0.15-2.5mm 3-250mm
Stainless spring steel 3Cr13-6Cr13 0.15-3.0mm 3-320mm 0.15-2.5mm 3-250mm
Edge process slit edge; both rounded; one side round, one side slit; square etc
Finish surface polished (blue, yellow, white, grey-blue, black, bright) or Nature etc
Tolerance thickness +/-0.01mm max; width +/-0.05mm max
Physical property Tensile strength: 450-1850N/mm2


1.more than 100 skillful employees including professional technical engineers, having our own cold rolled facilities; first-rate crude materials purchased from ISO certificated enterprise to guarantee superior quality.
2. we have our own complete testing equipments to test material composition and hardness to help customer identify the detailed product information
3. Quality Control: we have professional QC team or you can apply for third inspection
4. Our company lies in Panyu District, Guangzhou city, near Canton Fair.
5. working with powerful shipping companies to promise fast delivery
6. Competitive price, strict quality control, fast shipping, good after sale service