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NS321 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of NS321

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This page is mainly introduced the NS321 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of NS321,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
NS321

Steel Garde:NS321
Type:Special Alloy
Country:China
Standard:GBT
Application:Nickel-base corrosion-resistant alloy

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	398～331	σb/MPa
Yield Strength	089	σ 0.2 ≥/MPa
Elongation	38	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	183～106	-
HRC	30	-

Physical Properties

Thermal expansion	30-02	e-6/K
Thermal conductivity	41-54	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	4735-9193	째C
Density	0341-9320	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)
NS321 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