Nitronic 60®, UNS S21800, Alloy 218 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of Nitronic 60®, UNS S21800, Alloy 218

UNS Nitronic 60®, UNS S21800, Alloy 218

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This page is mainly introduced the Nitronic 60®, UNS S21800, Alloy 218 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of Nitronic 60®, UNS S21800, Alloy 218,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.

Austenitic Chromium Nickel Manganese Stainless Steel Non-magnetic stainless steel Nitronic 60®, UNS S21800, Alloy 218.

used in the chemical, petrochemical, pharmaceutical, machine industries (hydraulic systems) and food industry for valves, flanges, pump parts, springs, heat exchangers, screws and even chains.

  • Steel Garde:Nitronic 60®, UNS S21800, Alloy 218
  • Type:Stainless Steels
  • Country:USA
  • Standard:UNS
  • Metallographic Structure:Austenite
  • Application:used in the chemical, petrochemical, pharmaceutical, machine industries (hydraulic systems) and food industry for valves, flanges, pump parts, springs, heat exchangers, screws and even chains.

Chemical composition(mass fraction)(wt.%)

Elements Min.(≥) Max.(≤) Similar Remarks
C   0.10
Mn 7.00  9.00
Si 3.50  4.50
P   0.04
S   0.03
Cr 16.00  18.00
Ni 8.00  9.00
Mo  
N 0.08  0.18

Mechanical Properties

Tensile strength 515~050 σb/MPa
Yield Strength 483 σ 0.2 ≥/MPa
Elongation 36 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 359~323 -
HRC 30 -

Physical Properties

Thermal expansion 65-19 e-6/K
Thermal conductivity 58-10 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 9332-5760 째C
Density 1646-8689 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)
Nitronic 60®, UNS S21800, Alloy 218 Stainless Steels 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

Technical specification/standard for download

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