SMn438H chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SMn438H

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CNS SMn438H

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This page is mainly introduced the SMn438H chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SMn438H,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
SMn438H
  • Steel Garde:SMn438H
  • Type:Special Alloy
  • Country:China
  • Standard:CNS
  • Application:China Taiwan Structural steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 813~280 σb/MPa
Yield Strength 504 σ 0.2 ≥/MPa
Elongation 49 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 437~175 -
HRC 30 -

Physical Properties

Thermal expansion 66-15 e-6/K
Thermal conductivity 55-58 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 4361-8939 째C
Density 4676-8606 kg/m3
Resistivity 0.50-0.60 Ohm.mm2/m
     

Heat Treatment Regime

Annealing

Quenching

Tempering

Normalizing

Q & T

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Size Availability

Steel Grade Specification Processing range(mm)
SMn438H 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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