45H chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 45H

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GBT 45H

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This page is mainly introduced the 45H chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 45H,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
45H
  • Steel Garde:45H
  • Type:Special Alloy
  • Country:China
  • Standard:GBT
  • Application:China structural steel and alloy steel

Relevant products:

  • 4145H Hollow Bar

    4145H Hollow Bar

  • Cross Reference Table(Equivalent Materials):

    Material Standard Country
    CPM Rex 45HS AISI USA
    5145H AS Australia
    SCM445H CNS China

    Chemical composition(mass fraction)(wt.%)

    Mechanical Properties

    Tensile strength 740~602 σb/MPa
    Yield Strength 352 σ 0.2 ≥/MPa
    Elongation 86 δ5≥(%)
    ψ - ψ≥(%)
    Akv - Akv≥/J
    HBS 358~392 -
    HRC 30 -

    Physical Properties

    Thermal expansion 38-78 e-6/K
    Thermal conductivity 62-75 W/m.K
    Specific heat 450-460 J/kg.K
    Melting temperature 1595-9565 째C
    Density 1147-3637 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)
    45H 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