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4Si1(SG3)
Suitable for welding carbon steel and low alloy steel structures of tensile strength 500MPa.It can be used for engineering machinery,bridge construction,ships,vehicle manufacturing,petrochemica industries etc.
Application: Suitable for welding carbon steel and low alloy steel structures of tensile strength 500MPa.It can be used for engineering machinery,bridge construction,ships,vehicle manufacturing,petrochemica industries etc.
Characteristics: The wire is featured with less welding splash,nice welding appearance,stable arc,excellent mechanical properties of deposited metal
Chemical Compostion Of Welding Wires:(Mass Fraction)
| Item | C | Mn | Si | S | P | Ni | Cr | Mo | V | Cu | Al | Ti+Zr |
| Guarantee Value | 0.06 -0.14 | 1.60 -1.90 | 0.80 -1.15 | ≤ 0.025 | ≤ 0.025 | ≤ 0.15 | ≤ 0.15 | ≤ 0.15 | ≤ 0.03 | ≤ 0.35 | ≤ 0.02 | ≤ 0.15 |
| Typical Value | 0.08 | 1.70 | 0.91 | 0.012 | 0.010 | 0.0307 | 0.026 | 0.002 | 0.002 | 0.11 | 0.005 | 0.003 |
Mechanical Property of Deposited Metal
| Item | Tesile strenght Rm/MPa | Yield strength ReL/Rp0.2 MPa | Elongation A% | Impact value KV₂ (J) | Shielding Gas | |
| -40℃ | -30℃ | |||||
| Guarantee Value | 500-640 | ≥420 | ≥20 | ≥47 | ≥27 | C1 |
| Typical Value | 540 | 440 | 29 | 111、102、93 | 120、101、112 | |
| Guarantee Value | 530-680 | ≥460 | ≥20 | ≥47 | ≥27 | M21 |
| Typical Value | 550 | 462 | 27 | 88、110、70 | 90、100、81 | |
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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