9CrSi5 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 9CrSi5

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DIN 9CrSi5

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This page is mainly introduced the 9CrSi5 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 9CrSi5,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Alloyed SiCr steel
  • Steel Garde:9CrSi5
  • Type:Tool Steels & Die Steels
  • Country:Germany
  • Standard:DIN
  • Application:Alloyed SiCr steel

Chemical composition(mass fraction)(wt.%)

Elements Min.(≥) Max.(≤)
C 0.85  0.95
Si 1.05  1.25
Mn 0.60  0.80
P   0.035
S   0.035
Cr 1.10  1.30

Mechanical Properties

Tensile strength 512~243 σb/MPa
Yield Strength 751 σ 0.2 ≥/MPa
Elongation 57 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 949~749 -
HRC 30 -

Physical Properties

Thermal expansion 94-53 e-6/K
Thermal conductivity 41-80 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 4111-3570 째C
Density 8546-8367 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)
9CrSi5 Tool Steels & Die Steels 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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