HS 556 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of HS 556

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UNS HS 556

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This page is mainly introduced the HS 556 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of HS 556,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Alloy, Corrosion and Heat-Resistant, Welding Wire 29Fe - 22Cr - 21Ni - 18.5Co - 3.2Mo - 2.8W - 0.78Ta 0.30Al - 0.05Zr - 0.05La - 0.20N
  • Steel Garde:HS 556
  • Type:Stainless Steels
  • Country:USA
  • Standard:UNS
  • Standard Number:
    ITEM Standard Number Descriptions
    1 SAE AMS 5831C (2009) Alloy, Corrosion and Heat-Resistant, Welding Wire 29Fe - 22Cr - 21Ni - 18.5Co - 3.2Mo - 2.8W - 0.78Ta 0.30Al - 0.05Zr - 0.05La - 0.20N
  • Metallographic Structure:Precipitation-Hardening
  • Application:Alloy, Corrosion and Heat-Resistant, Welding Wire 29Fe - 22Cr - 21Ni - 18.5Co - 3.2Mo - 2.8W - 0.78Ta 0.30Al - 0.05Zr - 0.05La - 0.20N

Chemical composition(mass fraction)(wt.%)

Elements Min.(≥) Max.(≤) Similar Remarks
C 0.05  0.15
Si 0.20  0.80
Mn 0.50  2.00
Ni 19.00  22.50
Cr 21.00  23.00
Al 0.10  0.50
Cu  
Ti  
Fe   remaining
Mo 2.50  4.00
Co 16.00  21.00
W 2.00  3.50

Mechanical Properties

Tensile strength 833~700 σb/MPa
Yield Strength 114 σ 0.2 ≥/MPa
Elongation 72 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 080~110 -
HRC 30 -

Physical Properties

Thermal expansion 51-66 e-6/K
Thermal conductivity 59-89 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 9253-0329 째C
Density 3735-7634 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)
HS 556 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

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