1.4438(AFNOR) chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 1.4438(AFNOR)

AFNOR 1.4438(AFNOR)

Profile

This page is mainly introduced the 1.4438(AFNOR) chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 1.4438(AFNOR),such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
1.4438 AFNOR
  • Steel Garde:1.4438(AFNOR)
  • Type:Special Alloy
  • Country:France
  • Standard:AFNOR
  • Application:Austenite

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 781~247 σb/MPa
Yield Strength 700 σ 0.2 ≥/MPa
Elongation 35 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 762~820 -
HRC 30 -

Physical Properties

Thermal expansion 33-50 e-6/K
Thermal conductivity 26-64 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 8423-8114 째C
Density 9920-0439 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)
1.4438(AFNOR) Special Alloy 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