Washington Alloy, TM 2209 02, Welding Wire, .035 in; 36 in, Duplex Stainless Steel, ER2209

ER2209 is a stainless steel alloy wire designed for welding AISI316 stabilized and 316Ti or 318 austenitic stainless steel. ER2209 produces duplex stainless steel weld deposits with a nearly balanced austenite-ferrite microstructure. ER2209 weld deposits exhibit high tensile strength, improved resistance to stress corrosion cracking, and greater resistance to pitting than conventional austenitic grades of stainless steel. ER2209 is designed for welding 22% chromium duplex stainless steels such as ASMEASTM A-182, A-276, A-479, A-789, A- 790, and A-890. 3RE60®, 44LN® and Ferralium 255® are proprietary duplex stainless steel base metals in the 22% Cr category available commercially that can be joined successfully with ER2209. Nonproprietary grades 2205 and 2304 duplex stainless steels are also readily available and can be joined successfully with ER2209.

• Size: .035 in.
• AWS A5.9 Class: ER2209
• Alloy Type: Duplex Stainless Steel
• Specifications: ANSI/AWS A5.9 ER2209, ISO 14343A 22 9 3 N L, ASME SFA 5.9 ER2209, ISO 14343B SS2209
• Wire Length: 36 in
• Tensile Strength: 100,000 psi min
• Elongation: 20% min
• Pitting Resistance Equivalent Number (PREN): >35
• Chromium Content: 22%
• Carbon Content: 0.03% max
• Manganese Content: 0.50-2.00%
• Silicon Content: 0.90% max
• Molybdenum Content: 2.5-3.5%
• Nickel Content: 7.5-9.5%
• Phosphorus Content: 0.03% max
• Sulfur Content: 0.03% max
• Copper Content: 0.75% max
• Nitrogen Content: 0.08-0.20%

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