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

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JIS SUH 309

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This page is mainly introduced the SUH 309 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SUH 309,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Heat-resisting steel plate, sheet and strip
  • Steel Garde:SUH 309
  • Type:Stainless Steels
  • Country:Japan
  • Standard:JIS
  • Standard Number:
    ITEM Standard Number Descriptions
    1 G 4312 (2011) Heat-resisting steel plate, sheet and strip
  • Metallographic Structure:Martensite
  • Application:Heat-resisting steel plate, sheet and strip

Chemical composition(mass fraction)(wt.%)

Elements Min.(≥) Max.(≤) Similar Remarks
C 0.35  0.45
Si 1.80  2.50
Mn   0.60
P   0.03
S   0.03
Cr 10.00  12.00
Ni   0.60
Mo 0.70  1.30

Mechanical Properties

Tensile strength 287~395 σb/MPa
Yield Strength 736 σ 0.2 ≥/MPa
Elongation 44 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 172~385 -
HRC 30 -

Physical Properties

Thermal expansion 12-77 e-6/K
Thermal conductivity 15-18 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 1508-2330 째C
Density 1882-9915 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)
SUH 309 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