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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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GBT 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	246～540	σb/MPa
Yield Strength	553	σ 0.2 ≥/MPa
Elongation	58	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	838～369	-
HRC	30	-

Physical Properties

Thermal expansion	49-39	e-6/K
Thermal conductivity	53-50	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	0784-3914	째C
Density	5038-2337	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