1.4938 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 1.4938

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DIN 1.4938

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This page is mainly introduced the 1.4938 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 1.4938,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
1.4938
  • Steel Garde:1.4938
  • Type:Special Alloy
  • Country:Germany
  • Standard:DIN
  • Application:The high-temperature and high-strength steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 001~861 σb/MPa
Yield Strength 769 σ 0.2 ≥/MPa
Elongation 81 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 763~848 -
HRC 30 -

Physical Properties

Thermal expansion 18-30 e-6/K
Thermal conductivity 56-34 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 4817-9906 째C
Density 0374-3454 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)
1.4938 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