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C67S spring steel strip hardened and tempered

C67s spring steel strip is a standard material with no corrosion resistance, equivalent to CK67, SAE1070. After hardened and tempered condition, it is widely used in rolling shutter door spring, saw blade, plaster trowel, scraper, putty knives, shoe insole, spring washer, etc. Under tempered condition, Blue, bright, yellow, black, surfaces are available by adjusting the temperature and times in the furnace.
C67S spring steel strip hardened and tempered
C67s spring steel strip is a standard material with no corrosion resistance, equivalent to CK67, SAE1070. After hardened and tempered condition, it is widely used in rolling shutter door spring, saw blade, plaster trowel, scraper, putty knives, shoe insole, spring washer, etc. Under tempered condition, Blue, bright, yellow, black, surfaces are available by adjusting the temperature and times in the furnace.
 
C67S chemail composition: 
Carbon 0.62-0.70%
Silicon 0.15-0.35%
Manganese 0.60-0.90%
Sulphur 0.035% max
Phosphorus 0.035% max
 
We also supply other following materials in hardened and tempered condition:

Delivery condition (strip,coil,sheet)

Grade based on DIN Standard

Hardened and tempered conditions

Hardness 29-55HRC

thickness

Width

High carbon steel

CK50,CK55, CK60,CK67,

CK70,CK75,C75Cr1

0.15-2.5mm

8-300mm

Alloy spring steel

50CrV4, 51CrV4, 60Si2Mn

0.20-2.2mm

8-180mm

Stainless spring steel

3Cr13-6Cr13

0.20-2.5mm

8-150mm

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 +/-0.03mm max; width +/-0.3mm max 

Physical Property

tensile strength - 1200-1850N/mm2

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