C40R

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#C40R

Description

C40R Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Carbon Steel: C40R

Category	Type	Steel Grade
Steel Grades	Carbon Steel	C40R
		C10R
		1.1207
		C15R
		1.1140
		C16R
		1.1208
		15NiCr13
		1.5752
		20NiCrMoS2-2
		1.6526

Chemical composition(mass fraction)(wt.%) of the C40R

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.37-0.44	0.40	0.50-0.80	0.035	0.020-0.040	≤ 0.40	≤ 0.40
Mo	Al	Cu	Nb	Ti	V	Ce
≤ 0.10
N	Co	Pb	B	Other
				Cr+Ni+Mo ≤ 0.63

Mechanical Properties of steel grade C40R

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)
792 (≥)	763 (≥)	24	34	23	Solution and Aging, Annealing, Ausaging, Q+T,etc	121

Physical Properties of steel grade C40R

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	-	-			0.23	-
849	574	-	23.3	334		-
931	-	42	12.2			442	432

Heat Treatment of steel grade C40R

Heat treated : 1385°C - 1193°C

Technological Curves of steel grade C40R

No Curve

Cross Reference Table (Equivalent Grade) of C40R

Grade	Standard	Country	Application
C40R			Spain structural alloy steel
EN C40R	EN		Euronorm Structural steel

Available Suppliers

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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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