Wear-resistant surfacing cored wire flux cored welding wire
Flux-cored wire is also known as powder-cored wire, tubular wire, it can be divided into two categories of gas protection and non-gas protection. The surface of flux-cored wire is made of low carbon steel or low alloy steel with good plasticity. The manufacturing method is that the steel strip is rolled into U-shaped section shape, then the welding powder is filled into the U-shaped steel strip according to the dosage, and the steel strip is rolled tight by a pressure mill, and finally drawn into different specifications of flux-cored wire. As a whole, flux-cored wire can be divided into self-shielded flux-cored wire and gas shielded flux-cored wire. Gas shielded flux-cored wire is usually divided into two slag systems, namely, acidic and basic (T 1 and T 5) . The acid slag flux-cored wire has good performance and can be used in all-position welding. It is the most widely used typical high-efficiency welding material in shipbuilding industry. The weld metal of basic flux-cored wire has a good purification effect, and it can obtain excellent process performance by adjusting the proper formula, which is suitable for the position of flat welding and fillet welding.
Model | GB | AWS | Diameter(mm) | Current | Uses |
CB E70T-1 | E500T-1 | E70T-1 | 1.2,1.4,1.6 | DC+ | Used welding structures made of carbon steel and low alloy structural steel with tensile strength higher than or equal to 490MPa. |
CB E71T-1 | E501T-1 | E71T-1 | 1.2,1.4,1.6 | DC+ | Used for welding structures made of carbon steel and low alloy structural steel with tensile strength higher than or equal to 490MPa. |
Mechanical Properties of Deposited Metal
Mechanical Properties of Deposited Metal | ||||
Model | Rm(Mpa) | Rel(Mpa) | A(%) | KV2(J) |
CB E70T-1 | ≥480 | ≥400 | ≥22 | ≥27(-20︒C) |
CB E71T-1 | ≥480 | ≥400 | ≥22 | ≥27(-20︒C) |
Chemical composition of welding wire
Chemical composition of welding wire (%) | |||||
Model | C | Mn | Si | S | P |
CB E70T-1 | ≤0.18 | ≤1.75 | ≤0.90 | ≤0.030 | ≤0.030 |
CB E71T-1 | ≤0.18 | ≤1.75 | ≤0.90 | ≤0.030 | ≤0.030 |
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