SK7M

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#SK7M

Description

SK7M Tool Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Tool Steel: SK7M

Category	Type	Steel Grade
Steel Grades	Tool Steel	SK7M
		SK120M
		SK105M
		SK3M
		SK95M
		SK4M
		SK85M
		SK5M
		SK75M
		SK6M
		SK65M

Chemical composition(mass fraction)(wt.%) of the SK7M

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.6-0.7	0.35	0.5	0.03	0.03	≤0.3	≤0.25
Mo	Al	Cu	Nb	Ti	V	Ce
		≤0.25
N	Co	Pb	B	Other

Mechanical Properties of steel grade SK7M

Yield R_p0.2 (MPa)	Tensile R_m (MPa)	Impact KV/Ku (J)	Elongation A (%)	Reduction in cross section on fracture Z (%)	As-Heat-Treated Condition	Brinell hardness (HBW)
478 (≥)	535 (≥)	41	33	12	Solution and Aging, Annealing, Ausaging, Q+T,etc	244

Physical Properties of steel grade SK7M

Temperature (°C)	Modulus of elasticity (GPa)	Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and	Thermal conductivity (W/m·°C)	Specific thermal capacity (J/kg·°C)	Specific electrical resistivity (Ω mm²/m)	Density (kg/dm³)	Poisson’s coefficient, ν
33	-	-			0.34	-
281	443	-	23.3	314		-
292	-	11	33.2			133	142

Heat Treatment of steel grade SK7M

Heat treated : 1116°C - 1567°C

Technological Curves of steel grade SK7M

No Curve

Cross Reference Table (Equivalent Grade) of SK7M

Grade	Standard	Country	Application
SK7M	JIS	Japan	Cold rolled special steel strip

Available Suppliers

Jiangyou Longhai Special Steel Co.,Ltd.

Our main peoducts of steel are many kinds of special steel, like tool steel, mould steel, alloy steel, alloy constructural steel, heat-resistant steel, high speed tool steel,spring steel and bearing steel , stainless steel and so on, which have formed 12 series and more than 350 varieties with n...

Rfq.: sales@longhaisteel.com

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Stainless Steels

Tube/Pipe

Steel Profiles

Cold rolled/hot rolled

Wire rod

Quality special steel

Superalloy & High Temperature Alloy