P420QH chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of P420QH

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UNE P420QH

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This page is mainly introduced the P420QH chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of P420QH,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
P420QH
  • Steel Garde:P420QH
  • Type:Special Alloy
  • Country:Spain
  • Standard:UNE
  • Application:Spain structural alloy steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 813~037 σb/MPa
Yield Strength 051 σ 0.2 ≥/MPa
Elongation 06 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 760~284 -
HRC 30 -

Physical Properties

Thermal expansion 41-39 e-6/K
Thermal conductivity 77-10 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 7542-5111 째C
Density 8996-1652 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)
P420QH 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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