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ISO X55CrMnNiN20 8 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of ISO X55CrMnNiN20 8

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ISO ISO X55CrMnNiN20 8

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This page is mainly introduced the ISO X55CrMnNiN20 8 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of ISO X55CrMnNiN20 8,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
ISO standard valve austenite steel

Steel Garde:ISO X55CrMnNiN20 8
Type:Special Alloy
Country:ISO
Standard:ISO
Application:ISO standard valve austenite steel

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
X55CrMnNiN20-8	DIN	Germany
X55CrMnNiN20-8	AFNOR	France

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	331～667	σb/MPa
Yield Strength	842	σ 0.2 ≥/MPa
Elongation	40	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	640～216	-
HRC	30	-

Physical Properties

Thermal expansion	89-21	e-6/K
Thermal conductivity	91-59	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	6708-4677	째C
Density	3386-1895	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)
ISO X55CrMnNiN20 8 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