STK540

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#STK540

Description

STK540 Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Carbon Steel: STK540

Category	Type	Steel Grade
Steel Grades	Carbon Steel	STK540
		STC590B
		STC60B
		STK290
		STK30
		STK400
		STK41
		STK490
		STK50
		STK500
		STK51

Chemical composition(mass fraction)(wt.%) of the STK540

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.23	0.55	1.5	0.04	0.04
Mo	Al	Cu	Nb	Ti	V	Ce

N	Co	Pb	B	Other

Mechanical Properties of steel grade STK540

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)
598 (≥)	861 (≥)	11	34	24	Solution and Aging, Annealing, Ausaging, Q+T,etc	123

Physical Properties of steel grade STK540

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
13	-	-			0.42	-
221	351	-	11.3	312		-
989	-	21	42.2			114	143

Heat Treatment of steel grade STK540

Heat treated : 1182°C - 1958°C

Technological Curves of steel grade STK540

No Curve

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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