H2

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Description

H2 Tool Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Tool Steel: H2

Category	Type	Steel Grade
Steel Grades	Tool Steel	H2
		F0
		F1
		G2
		G3
		G5
		G6
		G7
		G8
		G10E
		H1

Chemical composition(mass fraction)(wt.%) of the H2

WC ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Co+Ni
91						6.5
Mo	Al	Cu	Nb	TiC+TaC(NbC)	V	Ce
				2.5
N	Co	Pb	B	Other

Mechanical Properties of steel grade H2

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)
437 (≥)	754 (≥)	34	14	31	Solution and Aging, Annealing, Ausaging, Q+T,etc	142

Physical Properties of steel grade H2

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	-	-			0.44	-
485	434	-	14.3	232		-
685	-	11	12.2			243	333

Heat Treatment of steel grade H2

Heat treated : 1677°C - 1569°C

Technological Curves of steel grade H2

No Curve

Cross Reference Table (Equivalent Grade) of H2

Grade	Standard	Country	Application
H21	ASTM	USA	Alloy tool steel
H22	ASTM	USA	Alloy tool steel
H24	ASTM	USA	Alloy tool steel
H25	ASTM	USA	Alloy tool steel
H26	ASTM	USA	Alloy tool steel
SKH2	JIS	Japan	Tungsten series high speed tool steel
H2	JIS	Japan	Carbide for cutting tools
H2	JIS	Japan	Carbide for cutting tools
BH21			Carbide for cutting tools
BH21			Carbide for cutting tools
BH21A			Carbide for cutting tools
BH21A			Carbide for cutting tools
BH26			Carbide for cutting tools
BH26			Carbide for cutting tools
BH224/5			Carbide for cutting tools
BH224/5			Carbide for cutting tools
TH2	AFNOR	France	Carbide for cutting tools
TH2	AFNOR	France	Carbide for cutting tools
H20	AFNOR	France	Carbide for cutting tools
H20	AFNOR	France	Carbide for cutting tools

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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