ALFA ER2209 Duplex Stainless Steel TIG Welding Filler rod



Rs. 0

ALFA

Tig Welding Wire

500 In Stock


ALFA ER2209 Duplex Stainless Steel TIG Welding Filler Rod is a solid duplex stainless steel welding wire designed for welding 2205 type duplex stainless steels. It is suitable for TIG welding of standard duplex stainless steels and provides a duplex weld-metal microstructure containing austenite + 30–50% ferrite.

The filler wire is suitable for pipework and general fabrication in offshore oil & gas and chemical process industries.

Product Specifications

Specification Details
Brand ALFA
Product Name ALFA ER2209 Duplex Stainless Steel TIG Filler Rod
Identification ER2209
Product Type Duplex Stainless Steel TIG Welding Filler Rod
Classification AWS/SFA 5.9: ER2209
BS Classification BS 2901: Pt2 22.8.3S92
Material Duplex Stainless Steel
Suitable Base Material 2205 Type Duplex Stainless Steel
Welding Process TIG
Weld Microstructure Austenite + 30–50% Ferrite
Pitting Resistance Equivalent (PRE) >35
Hardness 23 HRc (<28 HRc)
Shielding Gas As Recommended
Black Purge As Recommended
Available Sizes 1.6, 2.4, 2.5, 3.15/3.20 mm
Length 500 / 1000 mm
Packing / Packet 5 kg
Packing / Box 20 kg

Chemical Composition

Element Specification
Carbon (C) 0.03% Max
Manganese (Mn) 0.5–2.0%
Silicon (Si) 0.25–0.65%
Sulphur (S) 0.02% Max
Phosphorus (P) 0.03% Max
Chromium (Cr) 21.5–23.5%
Nickel (Ni) 7.5–9.5%
Molybdenum (Mo) 2.5–3.5%
Copper (Cu) 0.5% Max
Nitrogen (N) 0.14–0.20%

 

Mechanical Properties

Property Value
Ultimate Tensile Strength (UTS) 710–900 MPa
Elongation (L=4D) 28–35%
CVN Impact Value at -30°C >140 Joules

 

Typical Applications

  • Welding 2205 type duplex stainless steel
  • UNS S31803 wrought duplex stainless steel
  • J92205 cast duplex stainless steel
  • ASTM F51
  • DIN 1.4462
  • BS 1501 318S13
  • Pipework fabrication
  • Offshore oil & gas industry
  • Chemical process industries
  • General duplex stainless steel fabrication
  • Proprietary 2205-type duplex alloys

Packing Details

Diameter Length Packing / Packet Packing / Box
1.6 mm 500 / 1000 mm 5 kg 20 kg
2.4 mm 500 / 1000 mm 5 kg 20 kg
2.5 mm 500 / 1000 mm 5 kg 20 kg
3.15 / 3.20 mm 500 / 1000 mm 5 kg 20 kg

 

Product Highlights

ALFA ER2209 | AWS/SFA 5.9 ER2209 | Duplex Stainless Steel TIG Filler Rod | 2205 Duplex | Offshore Oil &

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