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 721~661 σb/MPa
Yield Strength 388 σ 0.2 ≥/MPa
Elongation 94 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 708~468 -
HRC 30 -

Physical Properties

Thermal expansion 40-90 e-6/K
Thermal conductivity 21-58 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 1220-2937 째C
Density 7513-7813 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