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

Carbon steel

Q195/Q235/Q295/Q345

0.15-3.0MM

15-1250MM

/

/

 High carbon steel

CK45,CK50,CK55, CK60,

CK67, CK70,CK75, 

C75Cr1

0.15-2.7mm

8-1250mm

0.15-2.7mm

8-300mm

Alloy spring steel

50CrV4, 51CrV4, 

60Si2Mn SK3 SK4 SK5 T8-T12

0.20-6mm

8-420mm

0.20-3.0mm

8-420mm

Stainless spring steel

3Cr13-6Cr13

0.20-3.0mm

8-1250mm

0.20-3.0mm

8-1250mm

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