SKH 57

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#SKH #57

Description

SKH 57 Tool Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Tool Steel: SKH 57

Category	Type	Steel Grade
Steel Grades	Tool Steel	SKH 57
		SKH 4
		SKH 10
		SKH 40
		SKH 50
		SKH 51
		SKH 52
		SKH 53
		SKH 54
		SKH 55
		SKH 56

Chemical composition(mass fraction)(wt.%) of the SKH 57

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
1.2-1.35	0.45	0.4	0.03	0.03	3.8-4.5
Mo	Al	Cu	Nb	W	V	Ce
3.2-3.9				9.0-10.0	3.0-3.5
N	Co	Pb	B	Other
	9.5-10.5

Mechanical Properties of steel grade SKH 57

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)
947 (≥)	157 (≥)	11	14	32	Solution and Aging, Annealing, Ausaging, Q+T,etc	111

Physical Properties of steel grade SKH 57

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
34	-	-			0.23	-
783	792	-	43.3	442		-
889	-	42	23.2			433	312

Heat Treatment of steel grade SKH 57

Heat treated : 1524°C - 1599°C

Technological Curves of steel grade SKH 57

No Curve

Cross Reference Table (Equivalent Grade) of SKH 57

Grade	Standard	Country	Application
SKH2	JIS	Japan	Tungsten series high speed tool steel
SKH3	JIS	Japan	Tungsten series high speed tool steel
SKH4	JIS	Japan	Tungsten series high speed tool steel
SKH10	JIS	Japan	Tungsten series high speed tool steel
SKH40	JIS	Japan	Powder metallurgy high-speed tool steel
SKH50	JIS	Japan	W-phase system high-speed tool steel
SKH51	JIS	Japan	W-phase system high-speed tool steel
SKH52	JIS	Japan	W-phase system high-speed tool steel
SKH53	JIS	Japan	W-phase system high-speed tool steel
SKH54	JIS	Japan	W-phase system high-speed tool steel
SKH55	JIS	Japan	W-phase system high-speed tool steel
SKH56	JIS	Japan	W-phase system high-speed tool steel
SKH57	JIS	Japan	W-phase system high-speed tool steel
SKH58	JIS	Japan	W-phase system high-speed tool steel
SKH59	JIS	Japan	W-phase system high-speed tool steel
SKH3		Sweden	Carbide for cutting tools
SKH3		Sweden	Carbide for cutting tools
SKH59
SKH59
SKH53		China	Carbide for cutting tools

Available Suppliers

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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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