12Cr18Ni9Si3 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 12Cr18Ni9Si3

GBT 12Cr18Ni9Si3

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This page is mainly introduced the 12Cr18Ni9Si3 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 12Cr18Ni9Si3,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
This standard specifies the stainless steel rods order contents, classification, code, size, shape, weight and allowable deviation, technical requirements, test methods, inspection rules, packaging, logo and certificate of quality.This standard applies to the size is not more than 250 mm hot rolled and forged stainless steel rods.The supply and demand both sides talks things over, can also supply the size larger than 250 mm hot rolled and forged stainless steel rods.
  • Steel Garde:12Cr18Ni9Si3
  • Type:Special Alloy
  • Country:China
  • Standard:GBT
  • Application:Stainless steel bars

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 301~690 σb/MPa
Yield Strength 298 σ 0.2 ≥/MPa
Elongation 68 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 859~031 -
HRC 30 -

Physical Properties

Thermal expansion 12-11 e-6/K
Thermal conductivity 96-03 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 0397-7580 째C
Density 5621-9637 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)
12Cr18Ni9Si3 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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