A40

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#A40

Description

A40 Tool Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Tool Steel: A40

Category	Type	Steel Grade
Steel Grades	Tool Steel	A40
		SKS5M
		SKS7M
		SKS51M
		SKS81M
		SKS95M
		SKC3
		SKC11
		SKC24
		SKC31
		A1

Chemical composition(mass fraction)(wt.%) of the A40

WC ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Co+Ni
77.7						15
Mo	Al	Cu	Nb	TiC+TaC(NbC)	V	Ce
				7.3
N	Co	Pb	B	Other

Mechanical Properties of steel grade A40

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)
315 (≥)	929 (≥)	34	23	42	Solution and Aging, Annealing, Ausaging, Q+T,etc	211

Physical Properties of steel grade A40

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	-	-			0.41	-
996	831	-	31.3	142		-
783	-	43	33.2			243	341

Heat Treatment of steel grade A40

Heat treated : 1628°C - 1844°C

Technological Curves of steel grade A40

No Curve

Cross Reference Table (Equivalent Grade) of A40

Grade	Standard	Country	Application
A40	JIS	Japan	Carbide for cutting tools
A40			Structural steel
HA400			Australia Structural steel
SMA400AW		China	China Taiwan Structural steel
SMA400BW		China	China Taiwan Structural steel
SMA400CW		China	China Taiwan Structural steel
SMA400AP		China	China Taiwan Structural steel
SMA400BP		China	China Taiwan Structural steel
SMA400CP		China	China Taiwan Structural 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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A40