銅及銅合金焊條 T107,T207,T227,T237 特征和用途；
T107為紫銅焊條，對大氣和海水有較好的耐蝕性，主要焊接導(dǎo)電銅排，導(dǎo)管等銅結(jié)構(gòu)件。
T207為硅青銅焊條。對無機酸（硝酸除外），有機酸有耐蝕性，適于紫銅，硅青銅及黃銅焊接。
T227為磷青銅焊條，有一定強度，塑性，韌性，耐磨性及耐蝕性，適于紫銅，黃銅，磷青銅等焊接。
T237為鋁錳青銅焊條，耐磨，耐蝕性優(yōu)良，廣泛用于銅合金，鋁青銅與銅，鑄鐵的焊接
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Copper alloys
銅
合
金 |
Cu 107 |
ECu |
Red copper, atmosphere and sea water corrosion and excellent electric conductivity. Welding of red copper such as electrical copper row. |
ECu |
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Cu 207 |
ECuSi |
Silicon bronze, corrosion resistance and high strength. Welding of copper, silicon bronze and brass. |
ECuSi |
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Cu 227 |
ECuSnB |
Tin phosphor bronze, corrosion resistance and high strength. Welding of copper, silicon bronze and brass. |
ECuSn-C |
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Cu 237 |
ECuAl |
Aluminum bronze, wear and corrosion and high strength. Welding or surfacing of copper alloys. |
ECuAl-A2 |
