ISO X21Cr13 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of ISO X21Cr13

ISO ISO X21Cr13

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This page is mainly introduced the ISO X21Cr13 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of ISO X21Cr13,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
High temperature bainite and martensite steel ISO standard internal combustion engine
  • Steel Garde:ISO X21Cr13
  • Type:Special Alloy
  • Country:ISO
  • Standard:ISO
  • Application:High temperature bainite and martensite steel ISO standard internal combustion engine

Cross Reference Table(Equivalent Materials):

Material Standard Country
X21Cr13 DIN Germany

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 862~179 σb/MPa
Yield Strength 121 σ 0.2 ≥/MPa
Elongation 20 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 952~296 -
HRC 30 -

Physical Properties

Thermal expansion 81-52 e-6/K
Thermal conductivity 99-71 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 4238-1208 째C
Density 2948-7441 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)
ISO X21Cr13 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