Ck40

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#Ck40

Description

Ck40 Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Carbon Steel: Ck40

Category	Type	Steel Grade
Steel Grades	Carbon Steel	Ck40
		C30E
		Ck30
		1.1178
		1.1179
		C35E
		1.1181
		Ck35
		1.1180
		C40E
		1.1186

Chemical composition(mass fraction)(wt.%) of the Ck40

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.37-0.44	0.40	0.50-0.80	0.030	0.035
Mo	Al	Cu	Nb	Ti	V	Ce

N	Co	Pb	B	Other
				Cr+Ni+Mo ≤ 0.63

Mechanical Properties of steel grade Ck40

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)
879 (≥)	492 (≥)	21	33	12	Solution and Aging, Annealing, Ausaging, Q+T,etc	414

Physical Properties of steel grade Ck40

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	-	-			0.43	-
274	322	-	12.3	433		-
159	-	43	32.2			123	431

Heat Treatment of steel grade Ck40

Heat treated : 1989°C - 1383°C

Technological Curves of steel grade Ck40

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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