Copper Alloy Wire
Swastik Weld Make Welding Wire GMAW/GTAW (MIG & TIG) for Copper Alloy Wire
I) ER CU CLASSIFICATION : AWS A/SFA 5.7
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Chemical Composition of ER Cu Wire
Mechanical Properties Of All Weld Metal :
UTS, Mpa= 25,000 min
EL%= 29%
TYPICAL APPLICATION OF ER Cu WIRE (Deoxidized Copper is a filler wire):
1)Joining deoxidized copper, electrolytic tough pitch copper and repair weld copper castings with MIG, TIG, and oxyacetylene welding processes
2)Welding galvanized steel and deoxidized copper to mild steel where high strength joints are not required
3)Overlaying steel surfaces to resist corrosion
4)Joining copper pipes, tanks and copper fittings
II) ER CU Ni CLASSIFICATION : AWS A/SFA 5.7
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Chemical Composition of ER Cu Ni Wire
Mechanical Properties Of All Weld Metal :
UTS, Mpa= 345 min
EL%= 60-80
TYPICAL APPLICATION OF ER Cu Ni WIRE (Copper Nickle filler wire):
1) Filler metal used for MIG, TIG, oxyacetylene and submerged arc welding of wrought or cast copper-nickel 70/30, 80/20 and 90/10 to themselves or to each other
2)Joining copper-nickel alloys to nickel-copper Alloy 400, R-405, K-500 or high nickel Alloy 200
III) ER CuSn-A CLASSIFICATION : AWS A/SFA 5.7
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Chemical Composition of ER CuSn-A Wire
MECHANICAL PROPERTIES OF ALL WELD METAL :
UTS, Mpa= 240 min
EL%= 70-85
TYPICAL APPLICATION OF ER CuSn-A (Phosphorus Bronze Wire):
1) Phosphor Bronze A is a copper-zinc bronze containing approximately 5% tin and up to 0.35% phosphorus added as a deoxidizer
2)MIG and TIG welding of tin-bronze base metals such as 509 to 519 series.
3)Overlay welding of steel.
4)Phos-Bronze A can be used to weld bronze and brass
IV) ER CuAl-A2 CLASSIFICATION : AWS A/SFA 5.7
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Chemical Composition of ER CuAl-A2 Wire
MECHANICAL PROPERTIES OF ALL WELD METAL :
UTS, Mpa= 35,000 min
EL%= 28%
TYPICAL APPLICATION OF ER CuAl-A2 (Aluminium Bronze Wire)
1) Aluminum Bronze A-2 is an iron-bearing MIG and TIG filler metal that is excellent for building-up or overlaying metal for wear and corrosion resistant surfaces
2)Joining aluminum bronze of similar composition: silicon and manganese bronze, high strength copper-zinc alloys, some copper- nickel alloys, ferrous metals and dissimilar metals.
3)Marine maintenance and repair welding of ship propellers, pump housings, rigging jacks, piston heads, bearings and many overlay or surfacing applications.
V) ER CuSi-A CLASSIFICATION : AWS A/SFA 5.7
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Chemical Composition of ER CuSi-A Wire
MECHANICAL PROPERTIES OF ALL WELD METAL :
UTS, Mpa= 345 min
EL%= 80-100
TYPICAL APPLICATION OF ER CuSi-A (Silicon Bronze Wire)
1)Silicon Bronze is a copper based filler metal containing 3% silicon and small amounts of manganese, tin and zinc.
2)Joints are made at lower temperature than in gas or arc welding
3)Minimizes thermal stress and distortion
4)Less susceptibility to cracking
5)Soft and ductile weld deposits
6)Easy machinability
7)Low residual stress
8)High strength fillets
9)Mobile equipment for simple on-site repair
