Washington Alloy, TN 67/05, Copper-Nickel Filler Metal, 3/32 in; 36 in, Alloy 69 (ERCUNI), 50,000 psi

67 is a copper-nickel filler metal used for MIG, TIG, oxyacetylene and submerged arc welding of wrought or cast 70/30, 80/20 and 90/10 copper-nickel to themselves or to each other. Excellent for joining copper-nickel alloys to nickel-copper Monel® 400, R-405, K-500 or high nickel alloy 200. Note: 67 can be used for overlaying on steel, however a barrier layer of 61 should be used for the first pass when MIG welding. 60 should be used for the first pass when submerged arc welding.

• Alloy Number: 69 (ERCUNI)
• Wire Diameter: 3/32 in.
• Length: 36 in
• Weight: 10 LB
• Material: Copper-Nickel
• Composition Nickel: 29.0-32.0%
• Composition Copper: Remainder
• Composition Manganese: 1.0%
• Composition Titanium: 0.20-0.50%
• Composition Iron: 0.40-0.75%
• Composition Silicon: 0.25%
• Composition Lead: 0.02%
• Composition Phosphorus: 0.02%
• Melting Temperature: 2140 F (1171 C)
• Tensile Strength: 50,000 psi
• Elongation: 30%
• Brinell Hardness: 60-80
• Specifications: ANSI/AWS A5.7 ERCuNi, ASME SFA 5.7 ERCuNi

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