303Se chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 303Se

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CNS 303Se

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This page is mainly introduced the 303Se chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 303Se,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Stainless steel wire rods
  • Steel Garde:303Se
  • Type:Stainless Steels
  • Country:China
  • Standard:CNS
  • Standard Number:
    ITEM Standard Number Descriptions
    1 G3067 Stainless steel bars
    2 G3077 Stainless steel wire rods
    3 G3076 Stainless steel wires
  • Metallographic Structure:Austenite
  • Application:Stainless steel wire rods

Chemical composition(mass fraction)(wt.%)

Elements Min.(≥) Max.(≤) Similar Remarks
C   0.15
Si   1.00
Mn   2.00
P   0.20
S   0.06
Ni 8.00  10.00
Cr 17.00  19.00
Mo  
Se 0.15 

Mechanical Properties

Tensile strength 670~631 σb/MPa
Yield Strength 877 σ 0.2 ≥/MPa
Elongation 67 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 154~553 -
HRC 30 -

Physical Properties

Thermal expansion 93-08 e-6/K
Thermal conductivity 02-76 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 5468-1076 째C
Density 2495-5731 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)
303Se 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