SUH661 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SUH661

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CNS SUH661

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This page is mainly introduced the SUH661 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SUH661,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
CNS standard heat resistant steel plate of the steel grade and chemical composition
  • Steel Garde:SUH661
  • Type:Stainless Steels
  • Country:China
  • Standard:CNS
  • Metallographic Structure:Austenite
  • Application:CNS standard heat resistant steel plate of the steel grade and chemical composition

Cross Reference Table(Equivalent Materials):

Material Standard Country
SUH661 CNS China

Chemical composition(mass fraction)(wt.%)

Elements Min.(≥) Max.(≤) Similar Remarks
C 0.08  0.16
Si   1.00
Mn 1.00  2.00
P   0.040
S   0.030
Cr 20.00  22.50
Ni 19.00  21.00
Mo 2.50  3.50
Co 18.50  21.00
W 2.00  3.00
Nb 0.75  1.25
N 0.10  0.20

Mechanical Properties

Tensile strength 821~605 σb/MPa
Yield Strength 438 σ 0.2 ≥/MPa
Elongation 06 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 311~678 -
HRC 30 -

Physical Properties

Thermal expansion 17-67 e-6/K
Thermal conductivity 01-26 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 4011-5166 째C
Density 1881-9068 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)
SUH661 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