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3Si1(SG2)
Suitable for welding the relevant strength carbon steel and low alloy steel structures.It can be used for vehicles,construction,machinery and ships etc.
Application: Suitable for welding the relevant strength carbon steel and low alloy steel structures.It can be used for vehicles,construction,machinery and ships etc.
Characteristics: The YH70S-6 is featured with less welding splash,nice welding appearance,high deposition efficiency,small porosity senstivity of deposited metal,and good weldability in all position for wide range of welding currents.
Chemical Compostion Of Welding Wires:(Mass Fraction)
| Item | C | Mn | Si | S | P | Ni | Cr | Mo | V | Cu |
| Guarantee Value | 0.06 -0.15 | 1.40 -1.85 | 0.80 -1.15 | ≤0.025 | ≤0.025 | ≤0.15 | ≤0.15 | ≤0.15 | ≤0.03 | ≤0.50 |
| Typical Value | 0.08 | 1.50 | 0.85 | 0.012 | 0.013 | 0.03 | 0.03 | 0.013 | 0.010 | 0.21 |
Mechanical Property of Deposited Metal
| Item | Tesile strenght | Yield strength | Elongation | Impact value KV₂ (J) | Shielding | |
| Rm/MPa | ReL/Rp0.2 MPa | A% | -30℃ | 40℃ | Gas | |
| Guarantee Value | 490-670 | ≥390 | ≥18 | ≥47 | ≥47 | CO₂ |
| Typical Value | 545 | 430 | 30 | 89、108、120 | 87、98、105 | |
Recommended Welding Parameter:(DC+)
| Wire Size(mm) | 0.8 | 1.0 | 1.2 | 1.4 | 1.6 |
| Welding Voltage(V) | 22-26 | 22-28 | 24-30 | 26-32 | 28-34 |
| Welding Curent(A) | 50-150 | 70-230 | 100-300 | 120-340 | 240-380 |
| Gas Flow (L/min) | 15 | 15-20 | 15-25 | 20-25 | 20-25 |
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