SUH446 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SUH446

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CNS SUH446

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This page is mainly introduced the SUH446 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SUH446,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
CNS standard heat resistant steel bar steel grade and chemical composition
  • Steel Garde:SUH446
  • Type:Stainless Steels
  • Country:China
  • Standard:CNS
  • Metallographic Structure:Ferrite
  • Application:CNS standard heat resistant steel bar steel grade and chemical composition

Cross Reference Table(Equivalent Materials):

Material Standard Country
SUH446 CNS China

Chemical composition(mass fraction)(wt.%)

Elements Min.(≥) Max.(≤) Similar Remarks
C   0.20
Si   1.00
Mn   1.50
P   0.040
S   0.030
Cr 23.00  27.00
Ni   0.60
Mo  
N   0.25
Cu   0.30

Mechanical Properties

Tensile strength 312~055 σb/MPa
Yield Strength 061 σ 0.2 ≥/MPa
Elongation 17 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 333~127 -
HRC 30 -

Physical Properties

Thermal expansion 52-77 e-6/K
Thermal conductivity 34-91 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 8839-2141 째C
Density 3841-5437 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)
SUH446 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