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 157~516 σb/MPa
Yield Strength 108 σ 0.2 ≥/MPa
Elongation 27 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 252~135 -
HRC 30 -

Physical Properties

Thermal expansion 56-44 e-6/K
Thermal conductivity 91-34 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 0708-6011 째C
Density 3828-1563 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