X4NiCrMoCuNb20-18-2

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#X4NiCrMoCuNb20-18-2

Description

X4NiCrMoCuNb20-18-2 Stainless Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Stainless Steel: X4NiCrMoCuNb20-18-2

Category	Type	Steel Grade
Steel Grades	Stainless Steel	X4NiCrMoCuNb20-18-2
		X2CrNiMoN17-1３-３
		X2CrNiMo18-14-3
		X3CrNiMo17-13-3
		X5CrNiMo17-13-3
		X2CrNiMo18-15-4
		X2CrNiMoN17-1３-5
		X3CrNiMo27-5-2
		X2CrNiMoN 22-5-３
		X1CrNiMoN25-25-2
		X1CrNiMoN25-22-2

Chemical composition(mass fraction)(wt.%) of the X4NiCrMoCuNb20-18-2

C	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni	Mo	Other
≤0.05	1.00	2.00	0.045	0.015	16.5-18.5	19.0-21.0	2.00-2.50	Cu 1.80-2.20 Nb≥8*(Nb+Ta)

Mechanical Properties of steel grade X4NiCrMoCuNb20-18-2

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)
215 (≥)	925 (≥)	43	33	21	Solution and Aging, Annealing, Ausaging, Q+T,etc	414

Physical Properties of steel grade X4NiCrMoCuNb20-18-2

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	-	-			0.12	-
529	972	-	44.3	123		-
582	-	23	23.2			233	222

Heat Treatment of steel grade X4NiCrMoCuNb20-18-2

Heat treated : 1473°C - 1751°C

Technological Curves of steel grade X4NiCrMoCuNb20-18-2

No Curve

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