SK90

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#SK90

Description

SK90 Tool Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Tool Steel: SK90

Category	Type	Steel Grade
Steel Grades	Tool Steel	SK90
		Stellite X90
		Stellite T40
		SK140
		SK1
		SK120
		SK2 TC120
		SK105
		SK3 TC105
		SK95
		SK4

Chemical composition(mass fraction)(wt.%) of the SK90

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.85-0.95	0.1-0.35	0.1-0.5	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 SK90

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)
717 (≥)	533 (≥)	34	22	23	Solution and Aging, Annealing, Ausaging, Q+T,etc	121

Physical Properties of steel grade SK90

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
44	-	-			0.24	-
661	871	-	41.3	441		-
995	-	11	41.2			312	244

Heat Treatment of steel grade SK90

Heat treated : 1768°C - 1248°C

Technological Curves of steel grade SK90

No Curve

Cross Reference Table (Equivalent Grade) of SK90

Grade	Standard	Country	Application
SK90	JIS	Japan	Carbon tool steel

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

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Superalloy & High Temperature Alloy