1.6748 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 1.6748

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DIN 1.6748

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This page is mainly introduced the 1.6748 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 1.6748,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
1.6748
  • Steel Garde:1.6748
  • Type:Special Alloy
  • Country:Germany
  • Standard:DIN
  • Application:

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 010~249 σb/MPa
Yield Strength 190 σ 0.2 ≥/MPa
Elongation 10 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 257~070 -
HRC 30 -

Physical Properties

Thermal expansion 61-01 e-6/K
Thermal conductivity 66-06 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 1325-9062 째C
Density 3815-3969 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)
1.6748 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