Custom 455 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of Custom 455

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UNS Custom 455

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This page is mainly introduced the Custom 455 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of Custom 455,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Steel, Corrosion and Heat-Resistant, Welded Tubing 12Cr - 8.5Ni - 0.30Cb - 1.1Ti - 2.0Cu Vacuum Induction Plus Consumable Electrode Vacuum Melted Solution Heat Treated, Precipitation Hardenable
  • Steel Garde:Custom 455
  • Type:Stainless Steel,Heat-Resistant Steel and Special Alloy Steel
  • Country:USA
  • Standard:UNS
  • Standard Number:
    ITEM Standard Number Descriptions
    1 SAE AMS 5578G (2003) Steel, Corrosion and Heat-Resistant, Welded Tubing 12Cr - 8.5Ni - 0.30Cb - 1.1Ti - 2.0Cu Vacuum Induction Plus Consumable Electrode Vacuum Melted Solution Heat Treated, Precipitation Hardenable
  • Metallographic Structure:Precipitation-Hardening
  • Application:Steel, Corrosion and Heat-Resistant, Welded Tubing 12Cr - 8.5Ni - 0.30Cb - 1.1Ti - 2.0Cu Vacuum Induction Plus Consumable Electrode Vacuum Melted Solution Heat Treated, Precipitation Hardenable

Chemical composition(mass fraction)(wt.%)

Elements Min.(≥) Max.(≤)
C   0.02
Si  
Mn  
P  
S  
Ni   8.50
Cr   12.00
Al  
Cu   2.00
Ti   1.15
Fe   remaining
Mo  
Co  
Nb   0.38
B   0.003

Mechanical Properties

Tensile strength 281~944 σb/MPa
Yield Strength 856 σ 0.2 ≥/MPa
Elongation 43 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 426~365 -
HRC 30 -

Physical Properties

Thermal expansion 84-30 e-6/K
Thermal conductivity 55-67 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 5035-4296 째C
Density 6010-4613 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)
Custom 455 Stainless Steel,Heat-Resistant Steel and Special Alloy 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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