20NiCrMoS6-4

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#20NiCrMoS6-4

Description

20NiCrMoS6-4 Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Carbon Steel: 20NiCrMoS6-4

Category	Type	Steel Grade
Steel Grades	Carbon Steel	20NiCrMoS6-4
		18CrNi8
		1.5920
		20NiCrMo2-2
		1.6523
		21NiCrMo2
		1.6526
		1.6569
		17NiCrMoS6-4
		17NiCrMo6-4
		1.6566

Chemical composition(mass fraction)(wt.%) of the 20NiCrMoS6-4

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.16-0.23	0.40	0.50-0.90	0.035	0.020-0.040	0.60-0.90	1.40-1.70
Mo	Al	Cu	Nb	Ti	V	Ce
0.25-0.35
N	Co	Pb	B	Other

Mechanical Properties of steel grade 20NiCrMoS6-4

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)
765 (≥)	727 (≥)	14	11	14	Solution and Aging, Annealing, Ausaging, Q+T,etc	214

Physical Properties of steel grade 20NiCrMoS6-4

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
31	-	-			0.33	-
141	583	-	12.3	123		-
496	-	13	13.2			313	322

Heat Treatment of steel grade 20NiCrMoS6-4

Heat treated : 1674°C - 1583°C

Technological Curves of steel grade 20NiCrMoS6-4

No Curve

Cross Reference Table (Equivalent Grade) of 20NiCrMoS6-4

Grade	Standard	Country	Application
20NiCrMoS6-4			Spain structural alloy steel

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