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 199~334 σb/MPa
Yield Strength 787 σ 0.2 ≥/MPa
Elongation 53 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 549~363 -
HRC 30 -

Physical Properties

Thermal expansion 27-29 e-6/K
Thermal conductivity 71-33 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 5455-1880 째C
Density 2463-5506 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