18CrMo4

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#18CrMo4

Description

18CrMo4 Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Carbon Steel: 18CrMo4

Category	Type	Steel Grade
Steel Grades	Carbon Steel	18CrMo4
		16MnCr5
		1.7131
		16MnCrS5
		1.7139
		20MnCr5
		1.7147
		20MnCrS5
		1.7149
		1.7160
		16MnCrB5

Chemical composition(mass fraction)(wt.%) of the 18CrMo4

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.15-0.21	0.40	0.60-0.90	0.035	0.035	0.90-1.20
Mo	Al	Cu	Nb	Ti	V	Ce
0.15-0.25
N	Co	Pb	B	Other

Mechanical Properties of steel grade 18CrMo4

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)
971 (≥)	913 (≥)	13	12	31	Solution and Aging, Annealing, Ausaging, Q+T,etc	421

Physical Properties of steel grade 18CrMo4

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
14	-	-			0.13	-
815	937	-	24.3	123		-
377	-	31	44.2			343	422

Heat Treatment of steel grade 18CrMo4

Heat treated : 1279°C - 1471°C

Technological Curves of steel grade 18CrMo4

No Curve

Cross Reference Table (Equivalent Grade) of 18CrMo4

Grade	Standard	Country	Application
18CrMo4			Spain structural alloy steel
EN 18CrMo4KD	EN		Euronorm 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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