China Polished bright C75 carbon steel strip Factory

GuangWeiYouLiang's C75 spring high carbon steel is a low alloy carbon steel material with carbon content 0.72%-0.84%. This material can be heat-treated to the required tensile strength and hardness, operated by annealing process (CRCA) or hardened and tempered condition (Q+T). Process engineering of heat treament is very vital to the inherent quality of spring steel strip. The edge of C75 spring steel can be rounded,square or slit; the finish surface can be polished bright, blue,yellow,black,polished bright etc..

We also supply these materials in polished bright treatment as following:

Cold rolled hardened&tempered steel strip/ coil/ sheet.
Delivery condition (Steel- sheet/strip/coil)	Grand based on DIN standard	Prime steel strip/coil/shet heat-treated of commonly specifications, hardness, process method
		Cold rolled		Hardened&Tempered
		21Hrc<hardness<29Hrc		29Hrc<hardness<55Hrc
		thickness	width	thickness	width
High carbon steel	CK45,K50,CK55, CK60,CK67, CK70,CK75, etc.	0.15-4.0mm	8-320mm	0.15-3.0mm	8-300mm
Alloy steel	50CrV4,C75Cr1,51CrV4, 60Si2Mn etc.	0.15-4.0mm	8-320mm	0.15-3.0mm	8-300mm
Stainless spring steel	420J2 etc.	0.15-4.0mm	8-1200mm	0.15-3.0mm	8-300mm
Edge process	Slit / round / square.
Tolerance	Thickness +/-0.03mm max; width +/-0.05mm max
Surface	Polished (blue, yellow, white, gray-blue, black, bright) or Nature etc
Physical property	Tensile strength: 450-1850N/mm2
Packing	Each bundle firmed with high tensile steel packing straps, then wrapped with water-resistant paper for standard seaworthy packing

Polished bright C75 carbon steel strip

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