仪器仪表 韩国现代E71T-1(HYUNDAI)药芯焊丝

品名&nbspAWS型号熔敷金属化学成分（％）熔敷金属力学性能保护气体特性与用途
&nbspC&nbspMn&nbspSi&nbspCr&nbspNi其他σ0.2(MPa)σb(MPa)δ(％)&nbspIV(J)
Super
Cored 71&nbspE71T-1/-1M&nbsp0.03&nbsp1.45&nbsp0.55&nbsp-&nbsp- &nbsp540&nbsp590&nbsp26&nbsp0℃/124
-18℃/94&nbspCO2/Ar+CO220-25％全位置焊，可焊接低碳钢及50kgf级高强钢，船舶，桥梁等
Super
Cored 71H&nbspE71T-1&nbsp0.035&nbsp1.45&nbsp0.50&nbsp-&nbsp- &nbsp540&nbsp580&nbsp28&nbsp-20℃/85
-30℃/55&nbspCO2可大电流焊接，高线能量时冲击韧性仍很好
Super
Cored 71MAG&nbspE71T-1M&nbsp0.05&nbsp1.20&nbsp0.55&nbsp-&nbsp- &nbsp520&nbsp570&nbsp30&nbsp-20℃/80&nbspAr+CO220-25％工艺性能优异，可焊接船舶，桥梁等
SF-70 MXH&nbspE70T-1&nbsp0.05&nbsp1.65&nbsp0.55&nbsp-&nbsp- &nbsp540&nbsp620&nbsp28&nbsp0℃/90&nbspCO2金属粉芯焊丝，熔敷效率高，焊结构钢
Super
Cored 70B&nbspE71T-5/-5MJ&nbsp0.06&nbsp1.30&nbsp0.31&nbsp-&nbsp- &nbsp450&nbsp540&nbsp27&nbsp-40℃/80&nbspCO2/Ar+CO220-25％碱性药芯丝，抗裂性好，低温（-20~-50℃）韧性高
Super
Cored 81-K2&nbspE81T1-K2&nbsp0.04&nbsp1.20&nbsp0.40&nbsp-&nbsp1.50 &nbsp540&nbsp620&nbsp28&nbsp-40℃/75
-60℃/55&nbspCO2用于焊接液化气储罐等低温钢结构
Super
Cored 81MAG&nbspE81T1-Ni1M&nbsp0.045&nbsp1.30&nbsp0.25&nbsp-&nbsp0.85 &nbsp534&nbsp612&nbsp25.8&nbsp-40℃/80
-50℃/65&nbspAr+CO220-25％低温缺口韧性高，用于油气田管线及海洋平台等
SF-70W&nbsp-&nbsp0.04&nbsp1.05&nbsp0.45&nbsp0.50&nbsp0.35&nbspCU:0.40&nbsp510&nbsp580&nbsp28&nbsp0℃/55&nbspCO2用于50kgf级耐候钢焊接
SW-308L Cored&nbspE308LT1-1/-4&nbsp0.03&nbsp1.20&nbsp0.70&nbsp19.10&nbsp10.10 &nbsp-&nbsp590&nbsp40&nbsp-20℃/70&nbspCO2/Ar+CO220-25％焊接18％Cr-8％Ni超低碳不锈钢