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 262~601 σb/MPa
Yield Strength 853 σ 0.2 ≥/MPa
Elongation 52 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 555~824 -
HRC 30 -

Physical Properties

Thermal expansion 23-12 e-6/K
Thermal conductivity 98-80 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 9620-8883 째C
Density 1826-5939 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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