SAE1075 blue tempered steel strip

SAE1075 spring steel is used widely in the manufacture of springs, pominently in automotive and industrial suespension applications. It is a high carbon steel with a very high yield strength. This material allows objects made of spring steel to return to their original shape despite significant deflection or twisting.

SAE1075 steel material can be hardened and tempered to suit application as a spring, however some steels exhibit more desirable characteristics for spring applications.

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, SK5 SAE1050, SAE1060, SAE1065, SAE1070 SAE1075	0.15-2.5mm	8-600mm	0.15-2.5mm	8-300mm
Alloy spring steel	50CrV4, 51CrV4, 60Si2Mn	0.20-2.2mm	8-180mm	0.20-2.2mm	8-180mm
Stainless spring steel	3Cr13-6Cr13	0.20-2.5mm	8-150mm	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 - 450-1850N/mm2

SAE1075 blue tempered steel strip

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