1.1248 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 1.1248

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EN 1.1248

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This page is mainly introduced the 1.1248 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 1.1248,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Cold rolled narrow steel strip for heat treatment - Technical delivery conditions - Part 4: Spring steels and other applications
  • Steel Garde:1.1248
  • Type:Structural Steel
  • Standard:EN
  • Standard Number:
    ITEM Standard Number Descriptions
    1 EN 10132-4 (2000) Cold rolled narrow steel strip for heat treatment - Technical delivery conditions - Part 4: Spring steels and other applications
  • Application:Cold rolled narrow steel strip for heat treatment - Technical delivery conditions - Part 4: Spring steels and other applications

Chemical composition(mass fraction)(wt.%)

Elements Min.(≥) Max.(≤)
C 0.70  0.80
Si 0.15  0.35
Mn 0.60  0.90
P   0.025
S   0.025
Cr   0.40
Ni   0.40
Mo  
Cu   0.10

Mechanical Properties

Tensile strength 368~305 σb/MPa
Yield Strength 915 σ 0.2 ≥/MPa
Elongation 67 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 466~130 -
HRC 30 -

Physical Properties

Thermal expansion 77-99 e-6/K
Thermal conductivity 42-09 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 7945-0974 째C
Density 0079-0961 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)
1.1248 Structural Steel 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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