302B chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 302B

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YB 302B

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This page is mainly introduced the 302B chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 302B,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Stainless and Heat-Resisting Chromium-Nickel Steel Plate, Sheet, and Strip
  • Steel Garde:302B
  • Type:Stainless Steels
  • Country:USA
  • Standard:YB
  • Standard Number:
    ITEM Standard Number Descriptions
    1 A 167 (2009) Stainless and Heat-Resisting Chromium-Nickel Steel Plate, Sheet, and Strip
    2 A 276 (2010) Stainless Steel Bars and Shapes
    3 A 314 (2008) Stainless Steel Billets and Bars for Forging
    4 A 473 (2009) Stainless Steel Forgings
    5 A 580/A 580M (2012) Stainless Steel Wire
    6 A 959 (2011) Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels
  • Metallographic Structure:Austenite
  • Application:Stainless and Heat-Resisting Chromium-Nickel Steel Plate, Sheet, and Strip

Chemical composition(mass fraction)(wt.%)

Elements Min.(≥) Max.(≤) Similar Remarks
C   0.15
Si 2.00  3.00
Mn   2.00
P   0.045
S   0.03
Cr 17.0  19.0
Ni 8.00  10.0

Mechanical Properties

Tensile strength 774~025 σb/MPa
Yield Strength 494 σ 0.2 ≥/MPa
Elongation 48 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 817~019 -
HRC 30 -

Physical Properties

Thermal expansion 04-21 e-6/K
Thermal conductivity 47-62 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 8038-3797 째C
Density 8815-1041 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)
302B 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