Changshu Longteng Special Steel Co., Ltd.
LONGTENG WELDING CONSUMABLES WELDING THE GLOBAL
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ER70S-3 MIG Welding Wire Carbon Steel MIG Wire 0.03/0.035/0.045/(1/16) In 2/11/33/44 Lb
Specification:
ER70S-3 is a premium copper-coated, solid electrode, or MIG wire, designed for gas metal arc welding of a wide selection of carbon steels, such as sheet metal, plate and automotive components. This electrode should be used for welding steels in single or multiple pass applications with a yield strength range of 55,000-75,000 psi.
Purpose:
General fabrication
Metal furniture
Sheet metal
Ornamental iron fabrication
Farm equipment
Auto frames
Chemical Composition(%)
| Chemical Composition | C | Mn | Si | S | P | Ni | Cr | Mo | V | Cu |
| Guarantee Value | 0.06~0.15 | 0.90~1.40 | 0.45~0.75 | ≤0.025 | ≤0.025 | ≤0.15 | ≤0.15 | ≤0.15 | ≤0.03 | ≤0.50 |
| General Result | 0.074 | 1.15 | 0.63 | 0.021 | 0.020 | 0.023 | 0.021 | 0.023 | 0.004 | 0.12 |
Mechanical Properties of Deposited Metal
| Test Item | Rm(MPa) | ReL/Rp0.2(MPa) | A(%) |
KV2(J) -20℃ |
| Guarantee Value | ≥500 | ≥420 | ≥22 | ≥27 |
| General Result | 525 | 430 | 28 | 103,97,100 |
Reference Current(DC+)
| Size(mm) | Current range (A) | GAS flow rate(L/min) |
| Φ0.8 | 50~100 | 15 |
| Φ1.0 | 50~220 | 15~20 |
| Φ1.2 | 80~350 | 15~25 |
| Φ1.6 | 170~550 | 20~25 |