SUH 4 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SUH 4

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JIS SUH 4

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This page is mainly introduced the SUH 4 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SUH 4,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Heat-resisting steel bars and wire rods
  • Steel Garde:SUH 4
  • Type:Stainless Steels
  • Country:Japan
  • Standard:JIS
  • Standard Number:
    ITEM Standard Number Descriptions
    1 G 4311 (2011) Heat-resisting steel bars and wire rods
  • Metallographic Structure:Martensite
  • Application:Heat-resisting steel bars and wire rods

Cross Reference Table(Equivalent Materials):

Material Standard Country
SUH 446 JIS Japan
SUH 446 JIS Japan
SUH 446 JIS Japan
SUH 409 JIS Japan
SUH 409L JIS Japan
SUH 11 JIS Japan

Chemical composition(mass fraction)(wt.%)

Elements Min.(≥) Max.(≤) Similar Remarks
C 0.75  0.85
Si 1.75  2.25
Mn 0.20  0.60
P   0.03
S   0.03
Cr 19.00  20.50
Ni 1.15  1.65
Mo  

Mechanical Properties

Tensile strength 832~628 σb/MPa
Yield Strength 264 σ 0.2 ≥/MPa
Elongation 50 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 265~060 -
HRC 30 -

Physical Properties

Thermal expansion 81-19 e-6/K
Thermal conductivity 09-60 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 8055-7856 째C
Density 5375-8847 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 4 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