443S65 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 443S65

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B.S. 443S65

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This page is mainly introduced the 443S65 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 443S65,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Specification for wrought steels for mechanical and allied engineering purposes. Valve steels
  • Steel Garde:443S65
  • Type:Stainless Steels
  • Country:UK
  • Standard:B.S.
  • Standard Number:
    ITEM Standard Number Descriptions
    1 BS 970-4 Specification for wrought steels for mechanical and allied engineering purposes. Valve steels
  • Application:Specification for wrought steels for mechanical and allied engineering purposes. Valve steels

Chemical composition(mass fraction)(wt.%)

Elements Min.(≥) Max.(≤) Similar Remarks
C 0.75  0.85
Si 1.75  2.25
Mn 0.30  0.75
P   0.040
S   0.030
Cr 19.00  21.00
Ni 1.20  1.70
Mo  

Mechanical Properties

Tensile strength 173~696 σb/MPa
Yield Strength 380 σ 0.2 ≥/MPa
Elongation 91 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 337~826 -
HRC 30 -

Physical Properties

Thermal expansion 75-10 e-6/K
Thermal conductivity 80-91 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 5331-6889 째C
Density 0663-9860 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)
443S65 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

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