Y30 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of Y30

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GBT Y30

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This page is mainly introduced the Y30 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of Y30,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Y30
  • Steel Garde:Y30
  • Type:Special Alloy
  • Country:China
  • Standard:GBT
  • Application:China structural steel and alloy steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 736~278 σb/MPa
Yield Strength 386 σ 0.2 ≥/MPa
Elongation 22 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 782~047 -
HRC 30 -

Physical Properties

Thermal expansion 64-63 e-6/K
Thermal conductivity 77-15 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 0781-8523 째C
Density 5128-6379 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)
Y30 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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