ST40E

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#ST40E

Description

ST40E Tool Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Tool Steel: ST40E

Category	Type	Steel Grade
Steel Grades	Tool Steel	ST40E
		G8
		G10E
		H1
		H2
		H3
		ST10E
		ST15E
		ST20E
		ST25E
		ST30E

Chemical composition(mass fraction)(wt.%) of the ST40E

	
					WC

					≤
				
					Si

					≤
				
					Mn

					≤
				
					P

					≤
				
					S

					≤
				
					Cr
				
					Co+Ni
			
					77
				
					11.5
			
					Mo
				
					Al
				
					Cu
				
					Nb
				
					TiC+TaC(NbC)
				
					V
				
					Ce
			
					11.5
				
					N
				
					Co
				
					Pb
				
					B
				
					Other

Mechanical Properties of steel grade ST40E

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)
853 (≥)	919 (≥)	32	12	31	Solution and Aging, Annealing, Ausaging, Q+T,etc	431

Physical Properties of steel grade ST40E

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
23	-	-			0.21	-
277	413	-	41.3	431		-
978	-	21	14.2			334	441

Heat Treatment of steel grade ST40E

Heat treated : 1928°C - 1824°C

Technological Curves of steel grade ST40E

No Curve

Cross Reference Table (Equivalent Grade) of ST40E

Grade	Standard	Country	Application
ST40E	JIS	Japan	Carbide for cutting tools
ST40E	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

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Cold rolled/hot rolled

Wire rod

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Superalloy & High Temperature Alloy