SUS303Se chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SUS303Se

AMS SUS303Se

Profile

This page is mainly introduced the SUS303Se chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SUS303Se,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Specification for stainless steel bars
  • Steel Garde:SUS303Se
  • Type:Stainless Steels
  • Country:USA
  • Standard:AMS
  • Standard Number:
    ITEM Standard Number Descriptions
    1 SA/JIS G4303 Specification for stainless steel bars
  • Metallographic Structure:Austenite
  • Application:Standard Specification for Stainless Steel Socket Set Screws (Metric)

Chemical composition(mass fraction)(wt.%)

Elements Min.(≥) Max.(≤) Similar Remarks
C   0.15
Si   1.00
Mn   2.00
P   0.2
S   0.06
Cr 17.0  19.0
Ni 8.00  10.0
Se 0.15 

Mechanical Properties

Tensile strength 529~037 σb/MPa
Yield Strength 124 σ 0.2 ≥/MPa
Elongation 22 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 445~537 -
HRC 30 -

Physical Properties

Thermal expansion 70-98 e-6/K
Thermal conductivity 84-25 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 2955-6252 째C
Density 5652-1728 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)
SUS303Se 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