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Specifications
1. Widely used in all direction welding.2. Graphite outside;fit for AC and DC
3. Good ability in working and shaping
Copper Welding Electrode
Size |
Standard |
||
GB |
AWS |
JIS |
|
Cu107 |
ECu |
ECu |
DCu |
Cu207 |
ECuSi-B |
ECuSi |
DCuSiB |
Cu227 |
ECuSn-B |
ECuSn-C |
DCuSnB |
Cu237 |
ECuAl-A2 |
ECuAl-A2 |
DCuAl |
Cu107: Red Copper Core to weld copper components;good conductivity and resistance to atmosphere and sea corrosion.
Si |
Mn |
Cu |
≤0.5 |
≤0.5 |
≥99.0 |
Test |
σb (MPa) |
Cold bending grade (D=2t) |
Data |
≥170 |
≥120 |
Dia(mm) |
3.2 |
4.0 |
5.0 |
Current(A) |
120~140 |
150~170 |
180~200 |
Cu207: Silicon Broze Core to weld broze and brass components;good anticorrosion and high strength.
Si |
Mn |
Sn |
Cu |
2.4~4.0 |
≤1.5 |
≤1.5 |
little |
Test |
σb (MPa) |
δ5 (%) |
Hardness (HV) |
Data |
≥270 |
≥20 |
110~130 |
Dia(mm) |
3.2 |
4.0 |
5.0 |
Current(A) |
90~130 |
110~160 |
150~200 |
Cu227: Phophor Broze Core to weld phophor bronze and brass;good anticorrosion and high strength.
Sn |
P |
Cu |
7.0~9.0 |
0.05~0.3 |
little |
Test |
σb (MPa) |
δ5 (%) |
Hardness (HV) |
Data |
≥270 |
≥12 |
80~115 |
Dia(mm) |
3.2 |
4.0 |
5.0 |
Current(A) |
90~120 |
110~160 |
150~200 |
Cu237: Aluminum Broze Core to weld or resurface copper alloy;high strength and resistance to wear and corrosion.
Al |
Mn |
Si |
Fe |
Cu |
7.0~9.0 |
≤2.0 |
≤1.0 |
≤1.50 |
little |
Test |
σb (MPa) |
δ5 (%) |
Hardness (HV) |
Data |
≥390 |
≥15 |
120~160 |
Dia(mm) |
3.2 |
4.0 |
5.0 |
Current(A) |
90~130 |
110~160 |
150~200 |
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