Heat Treatment steel strip

Manufacturing range

Material	Specification(mm)	Mechanical Properties
S35C ~ S80C	Thickness : 0.3 ~ 3.2 Width : 50 ~ 550	Hardness: - HV 280 ~ 700 Tensile strength: - Martemering : 1,600 ~ 2,100 N/㎟ - Austempering : 1,200 ~ 1,400 N/㎟ - Patenting(SK-5) : 1,100 ~ 1,300 N/㎟
SK steel(2M~5M)
SCM steel
SKS steel
50CrV4

Category	Surface Finish
Bright hardened	Condition of Bright Heat Treatment Only
Polished finish	Condition of Polishing after Heat Treatment
Blue or Yellow	Condition of Bright Heat Treatment Only
White polished	Condition of Polishing after Heat Treatment

Heat treatment method	Internal organization	Tensile Strength	Use	Remarks
Martempering	Martensite	1,500 ~ 2,000 N/㎟	- Saw Blade - Circular Saw - Spring - Instrument of Trowel and Others - Car Components (Sort of Clutch and others)	- Universal products - Use is the most various
Austempering	Bainite	1,350 N/㎟	- Material for Car Precision Components -- Clutch, cushion Plate - Punching dies (For Paper, Leather) - For Precision Components of OA Instruments	- Materials available to cooling plastic
Patenting	Sorbite	Condition of material re-rolling 1,200 → 2,400 N/㎟	- High Strength Spring (Seat Belt Springs)	- The need of re-rolling (Over 80%)