Changshu Longteng Special Steel Co., Ltd.
LONGTENG WELDING CONSUMABLES WELDING THE GLOBAL
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ER55-G .030 .035 Solid Welding Wire With Co2 Argon 0.8mm 1.0mm
LT·TH550-NQ-II 0.8/1.0/1.2/1.6mm Weathering Steel Solid Welding Wire
LT·TH550-NQ-II Conform to Standard :TB/T 2374 ER55-G
GB ER55-1
Specification:It comes with Argon - rich gases protection. The deposited metal has good atmospheric corrosion resistance, crack resistance, good shaping and toughness.
Purpose:Suitable for welding 550MPa high strength weathering steel,such as construction machinery, bridges, etc.
Chemical Composition(%)
| Chemical Composition | C | Mn | Si | S | P | Ni | Cr | Cu |
| Guarantee Value | ≤0.10 | 1.20~ | ≤0.60 | ≤0.020 | ≤0.025 | 0.20~ | 0.30~ | 0.20~ |
| 1.6 | 0.6 | 0.9 | 0.5 | |||||
| General Result | 0.057 | 1.4 | 0.46 | 0.008 | 0.016 | 0.33 | 0.48 | 0.3 |
| Test Item | Rm(MPa) | ReL/Rp0.2(MPa) | A(%) | KV2(J) |
| -40℃ | ||||
| Guarantee Value | ≥550 | ≥450 | ≥22 | ≥60 |
| General Result | 590 | 495 | 28 | 112/120/118 |
| 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 |
Notes on usage:
1. E.S.O. (Electrode Stick Out) must be kept between 15-25mm.
2. Proper welding conditions must be adopted according to the purpose as the bead appearance and penetration are both varied widely.
3. Use 100% Co2 or Ar + Co2 gas mixture as shielding gas.
4. Control within the optimal range of welding conditions for this wire as possible.