T20CH30 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of T20CH30

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STAS/SR T20CH30

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This page is mainly introduced the T20CH30 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of T20CH30,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
T20CH30
  • Steel Garde:T20CH30
  • Type:Special Alloy
  • Country:Romania
  • Standard:STAS/SR
  • Application:Cast Steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 167~656 σb/MPa
Yield Strength 717 σ 0.2 ≥/MPa
Elongation 23 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 179~890 -
HRC 30 -

Physical Properties

Thermal expansion 78-24 e-6/K
Thermal conductivity 90-43 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 7951-5982 째C
Density 1689-3478 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)
T20CH30 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

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