X2CrNiMnMoNNb 21-16-5-3

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#X2CrNiMnMoNNb #21-16-5-3

Description

X2CrNiMnMoNNb 21-16-5-3 Alloy Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Alloy Steel: X2CrNiMnMoNNb 21-16-5-3

Category	Type	Steel Grade
Steel Grades	Alloy Steel	X2CrNiMnMoNNb 21-16-5-3
		X5MnCrNiN 18-13
		1.3952
		X2CrNiMoN 18-14-3
		1.3953
		X2CrNiMo 18-15
		1.3958
		X5CrNi 18-11
		1.3962
		X15CrNiMn 12-10
		1.3964

Chemical composition(mass fraction)(wt.%) of the X2CrNiMnMoNNb 21-16-5-3

C	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni	Mo	Other
≤0.030	1.00	4.00-6.00	0.025	0.010	20.0-21.5	15.0-17.0	3.00-3.50	Nb ≤ 0.25 N 0.20-0.35

Mechanical Properties of steel grade X2CrNiMnMoNNb 21-16-5-3

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)
366 (≥)	727 (≥)	43	32	44	Solution and Aging, Annealing, Ausaging, Q+T,etc	344

Physical Properties of steel grade X2CrNiMnMoNNb 21-16-5-3

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
12	-	-			0.24	-
211	396	-	43.3	441		-
166	-	13	41.2			413	343

Heat Treatment of steel grade X2CrNiMnMoNNb 21-16-5-3

Heat treated : 1222°C - 1639°C

Technological Curves of steel grade X2CrNiMnMoNNb 21-16-5-3

No Curve

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