铜及铜合金焊条 T107,T207,T227,T237 特征和用途；
T107为紫铜焊条，对大气和海水有较好的耐蚀性，主要焊接导电铜排，导管等铜结构件。
T207为硅青铜焊条。对无机酸（硝酸除外），有机酸有耐蚀性，适于紫铜，硅青铜及黄铜焊接。
T227为磷青铜焊条，有一定强度，塑性，韧性，耐磨性及耐蚀性，适于紫铜，黄铜，磷青铜等焊接。
T237为铝锰青铜焊条，耐磨，耐蚀性优良，广泛用于铜合金，铝青铜与铜，铸铁的焊接
|
Copper alloys
铜
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 |
|
Cu 207 |
ECuSi |
Silicon bronze, corrosion resistance and high strength. Welding of copper, silicon bronze and brass. |
ECuSi |
|
|
Cu 227 |
ECuSnB |
Tin phosphor bronze, corrosion resistance and high strength. Welding of copper, silicon bronze and brass. |
ECuSn-C |
|
|
Cu 237 |
ECuAl |
Aluminum bronze, wear and corrosion and high strength. Welding or surfacing of copper alloys. |
ECuAl-A2 |
