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 857~304 σb/MPa
Yield Strength 115 σ 0.2 ≥/MPa
Elongation 37 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 025~761 -
HRC 30 -

Physical Properties

Thermal expansion 44-61 e-6/K
Thermal conductivity 87-03 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 3024-2654 째C
Density 2605-6554 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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