UNS J21890 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of UNS J21890

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AISI UNS J21890

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This page is mainly introduced the UNS J21890 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of UNS J21890,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
UNS J21890
  • Steel Garde:UNS J21890
  • Type:Special Alloy
  • Country:USA
  • Standard:AISI
  • Application:

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 490~989 σb/MPa
Yield Strength 387 σ 0.2 ≥/MPa
Elongation 66 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 544~048 -
HRC 30 -

Physical Properties

Thermal expansion 69-86 e-6/K
Thermal conductivity 63-74 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 4618-9699 째C
Density 8174-2181 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)
UNS J21890 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

Technical specification/standard for download