1.4318 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 1.4318

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AMS 1.4318

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This page is mainly introduced the 1.4318 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 1.4318,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Specification for flat products made of steels for pressure purposes - Part 7: Stainless steels
  • Steel Garde:1.4318
  • Type:Stainless Steels
  • Country:USA
  • Standard:AMS
  • Standard Number:
    ITEM Standard Number Descriptions
    1 SA/EN 10028-7 Specification for flat products made of steels for pressure purposes - Part 7: Stainless steels
  • Metallographic Structure:Precipitation-Hardening
  • Application:Specification for flat products made of steels for pressure purposes - Part 7: Stainless steels

Chemical composition(mass fraction)(wt.%)

Elements Min.(≥) Max.(≤) Similar Remarks
C   0.08
Si   1.00
Mn   2.00
P   0.045
S   0.03
Ni 13.00  15.00
Cr 17.00  19.00
Al  
Cu  
Ti  
Fe  
N  
Mo 1.75  2.75
V  

Mechanical Properties

Tensile strength 634~614 σb/MPa
Yield Strength 034 σ 0.2 ≥/MPa
Elongation 16 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 219~912 -
HRC 30 -

Physical Properties

Thermal expansion 65-57 e-6/K
Thermal conductivity 98-41 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 4366-9154 째C
Density 4925-9080 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)
1.4318 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