28Cr chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 28Cr

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AISI 28Cr

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This page is mainly introduced the 28Cr chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 28Cr,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
28Cr
  • Steel Garde:28Cr
  • Type:Special Alloy
  • Country:USA
  • Standard:AISI
  • Application:

Cross Reference Table(Equivalent Materials):

Material Standard Country
28Cr ASTM USA
28Cr-15Ni AISI USA
28Cr-5Ni AISI USA
28Cr4 UNE Spain
EN 28Cr4 EN Euronorm
EN 28CrS4 EN Euronorm

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 872~254 σb/MPa
Yield Strength 176 σ 0.2 ≥/MPa
Elongation 77 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 473~550 -
HRC 30 -

Physical Properties

Thermal expansion 21-50 e-6/K
Thermal conductivity 21-96 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 4798-5499 째C
Density 6472-0038 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)
28Cr 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