1.4704 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 1.4704

Location » Home » Grades > Special Alloy > 1.4704

DIN 1.4704

Profile

This page is mainly introduced the 1.4704 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 1.4704,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
1.4704
  • Steel Garde:1.4704
  • Type:Special Alloy
  • Country:Germany
  • Standard:DIN
  • Application:Valve steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 631~280 σb/MPa
Yield Strength 423 σ 0.2 ≥/MPa
Elongation 80 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 228~656 -
HRC 30 -

Physical Properties

Thermal expansion 52-52 e-6/K
Thermal conductivity 87-74 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 0444-0330 째C
Density 2074-9394 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)
1.4704 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