| 铜及铜合金焊条 |
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| Copper and Copper-Alloy Arc Welding Electrode |
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| 牌号 | 药皮类型 | 符合标准 | 焊接位置 | 电流种类 | 熔敷金属标准或典型化学成分(%) |
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| 熔敷金属标准或典型力学性能 | 主要用途 |
| Standard &Typical Chemical Composition of Deposited Metal |
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| Mechanical Properties of Deposited Metal |
| Brand Name | Type of Covering | Equivalent Specification | Wilding Position | Type of Current | Cu | Mn | Fe | Si | S | P | Ni | Pb | Ti | other | T.S. | EL | Applications |
| 6b |
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| elements | (Mpa) | (%) |
| LT-T107 | 低氢钠型 | GB ECu | F | DC+ | ≥95.0 | ≤3.0 | _ | ≤0.50 | _ | ≤0.30 | _ | ≤0.02 | Fe+Al+Ni+Zn≤0.50 | ≥170 | ≥20 | 适用于焊接铜结构件和耐海水腐蚀的碳钢零件堆焊。 |
| Low hydrogen sodium | AWS ECu | Welding copper structures and surfacing of marine corrosion carbon steel patrs. |
| LT-T207 | 低氢钠型 | GB ECuSi-B | F | DC+ | ≥92.0 | ≤3.0 | _ | 2.50-4.00 | _ | ≤0.30 | _ | ≤0.02 | Al+Ni+Zn≤0.50 | ≥270 | ≥20 | 适用于铜、硅青铜及黄铜的堆焊，以及化工机械管道内衬的堆焊。 |
| Low hydrogen sodium | AWS ECuSi | Welding copper parts,bronze parts and brass parts,inter lining of chemical. |
| LT-T227 | 低氢钠型 | GB ECuSn-B | F | DC+ | 余量 | Sn 7.0～9.0 | _ | _ | ≤0.30 | _ | ≤0.02 | Si+Mn+Fe+Al+Ni+Zn≤0.50 | ≥270 | ≥12 | 除适用于焊接紫铜、黄铜、磷青铜等同种及异种金属外，还可广泛用于堆焊磷青铜轴衬、船舶推进器叶片等，也可用于铸铁的焊补及堆焊。 |
| Low hydrogen sodium | AWS ECuSn-C | Welding of similar and dissimiar metals,such as copper,brass and gear bronze,hard-surfacing of axle bush,propeller vanes of ships,hardtacing or repairing of cast iron. |
| LT-T237 | 低氢钠型 | GB ECuAl-C | F | DC+ | 余量 | ≤2.0 | ≤1.50 | ≤1.00 | Al 6.50-10.00 | ≤0.50 | ≤0.02 | Zn+Pb≤0.50 | ≥390 | ≥15 | 适用于铝青铜、铜合金和钢的焊接和铸铁的焊补。 |
| Low hydrogen sodium | JIS DCuAl | Welding of aluminum bronze、copper alloy to steels and repairing of cast iron. |
| LT-T307 | 低氢钠型 | GB ECuNi-B | F | DC+ | 余量 | ≤2.50 | ≤2.50 | ≤0.50 | _ | ≤0.020 | 29.0-33.0 | ≤0.02 | Zn+Pb≤0.50 | ≥350 | ≥20 | 适用于焊接70-30铜镍合金，亦可用于碳钢零件堆焊。 |
| Low hydrogen sodium | AWS ECuNi | Welding of 70%Cu30Ni alloy steels and surfacing of carbon steel parts. |
