ST20E

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#ST20E

Description

ST20E Tool Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Tool Steel: ST20E

Category	Type	Steel Grade
Steel Grades	Tool Steel	ST20E
		G5
		G6
		G7
		G8
		G10E
		H1
		H2
		H3
		ST10E
		ST15E

Chemical composition(mass fraction)(wt.%) of the ST20E

WC ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Co+Ni
70.5						5.5
Mo	Al	Cu	Nb	TiC+TaC(NbC)	V	Ce
				24
N	Co	Pb	B	Other

Mechanical Properties of steel grade ST20E

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)
323 (≥)	363 (≥)	14	34	31	Solution and Aging, Annealing, Ausaging, Q+T,etc	111

Physical Properties of steel grade ST20E

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
11	-	-			0.44	-
813	737	-	21.3	142		-
684	-	44	23.2			322	121

Heat Treatment of steel grade ST20E

Heat treated : 1588°C - 1889°C

Technological Curves of steel grade ST20E

No Curve

Cross Reference Table (Equivalent Grade) of ST20E

Grade	Standard	Country	Application
ST20E	JIS	Japan	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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Stainless Steels

Tube/Pipe

Steel Profiles

Cold rolled/hot rolled

Wire rod

Quality special steel

Superalloy & High Temperature Alloy