309HCb chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 309HCb

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UNS 309HCb

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This page is mainly introduced the 309HCb chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 309HCb,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Chemical compositions of SAE wrought stainless steels
  • Steel Garde:309HCb
  • Type:Stainless Steels
  • Country:USA
  • Standard:UNS
  • Standard Number:
    ITEM Standard Number Descriptions
    1 SAE J 405 (1998) Chemical compositions of SAE wrought stainless steels
  • Metallographic Structure:Austenite
  • Application:Chemical compositions of SAE wrought stainless steels

Chemical composition(mass fraction)(wt.%)

Elements Min.(≥) Max.(≤) Similar Remarks
C 0.04  0.10
Si   0.75
Mn   2.00
P   0.045
S   0.03
Cr 22.0  24.0
Ni 12.0  16.0
Nb   1.100

Mechanical Properties

Tensile strength 399~914 σb/MPa
Yield Strength 071 σ 0.2 ≥/MPa
Elongation 01 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 255~993 -
HRC 30 -

Physical Properties

Thermal expansion 85-43 e-6/K
Thermal conductivity 32-04 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 3237-7945 째C
Density 0361-3923 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)
309HCb Stainless 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