18CrNiMo7-6

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#18CrNiMo7-6

Description

18CrNiMo7-6 Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Carbon Steel: 18CrNiMo7-6

Category	Type	Steel Grade
Steel Grades	Carbon Steel	18CrNiMo7-6
		B26
		20CrMo4
		B27
		20MnCrMo4-2
		B28
		20NiCrMo2
		B29
		20NiCrMo7
		20NiCrMo7
		B30

Chemical composition(mass fraction)(wt.%) of the 18CrNiMo7-6

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.15-0.21	0.4	0.65-0.9	0.02	0.01	1.5-1.8	1.4-1.7
Mo	Al	Cu	Nb	Ti	V	Ce
0.25-0.35	≤ 0.05	≤0.3		+
N	O2	Pb	B	Other
	≤0.002

Mechanical Properties of steel grade 18CrNiMo7-6

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)
271 (≥)	164 (≥)	14	14	24	Solution and Aging, Annealing, Ausaging, Q+T,etc	311

Physical Properties of steel grade 18CrNiMo7-6

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	-	-			0.42	-
434	733	-	23.3	243		-
925	-	31	12.2			214	124

Heat Treatment of steel grade 18CrNiMo7-6

Heat treated : 1469°C - 1798°C

Technological Curves of steel grade 18CrNiMo7-6

No Curve

Cross Reference Table (Equivalent Grade) of 18CrNiMo7-6

Grade	Standard	Country	Application
18CrNiMo7-6			Spain structural alloy steel

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