F 880 Class A1-70 303Se chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of F 880 Class A1-70 303Se

SAE F 880 Class A1-70 303Se

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This page is mainly introduced the F 880 Class A1-70 303Se chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of F 880 Class A1-70 303Se,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials 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 968~709 σb/MPa
Yield Strength 575 σ 0.2 ≥/MPa
Elongation 44 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 991~211 -
HRC 30 -

Physical Properties

Thermal expansion 30-59 e-6/K
Thermal conductivity 57-53 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 4093-0143 째C
Density 1412-8194 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)
F 880 Class A1-70 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