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X50CrMnNiNbN21-9 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of X50CrMnNiNbN21-9

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AFNOR X50CrMnNiNbN21-9

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This page is mainly introduced the X50CrMnNiNbN21-9 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of X50CrMnNiNbN21-9,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
X50CrMnNiNbN21-9

Steel Garde:X50CrMnNiNbN21-9
Type:Special Alloy
Country:France
Standard:AFNOR
Application:Valve Internal Combustion Engines steel (NF-EN 1009-1998)

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
X50CrMnNiNbN21-9	DIN	Germany
ISO X50CrMnNiNbN21 9	ISO	ISO
EN X50CrMnNiNbN21-9	EN	Euronorm

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	638～041	σb/MPa
Yield Strength	148	σ 0.2 ≥/MPa
Elongation	10	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	137～265	-
HRC	30	-

Physical Properties

Thermal expansion	24-44	e-6/K
Thermal conductivity	44-40	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	2075-2059	째C
Density	0256-0618	kg/m³
Resistivity	0.50-0.60	Ohm.mm²/m

Heat Treatment Regime

Annealing	Quenching	Tempering	Normalizing	Q & T
√	√	√	√	√

Size Availability

Steel Grade	Specification	Processing range(mm)
X50CrMnNiNbN21-9 Special Alloy	Round Bar and Hollow Bar	Φ1 to Φ2000
	Square and Flat Steel	Φ10 to Φ100
	Plate and Sheet	0.08-800(Thickness)10-1500(Width)Length
	Tube or Pipe	OD:Φ4-410; WT:1-35 mm; Lenght:10-12000
	Coil and Strip Steel	THK:0.1mm Width:1500mm
	Forged	Ring/Cylindrical/Disk