Changshu Longteng Special Steel Co., Ltd.
LONGTENG WELDING CONSUMABLES WELDING THE GLOBAL
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ER55-1 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
Features and Applications:
1. Copper coated wire for GMAW and rod TIG welding in boiler pressure vessel, pipework and crane construction as well as in structural steel engineering
2. High quality, very tough deposit of high crack resistance and non-aging
3. Recommended for service in temperature range (-40°C) for TIG, or (-20°C) for GMAW to (+550°C)
4. Good copper bonding with low total copper content. Very good welding and flow characteristics
5. Preheating interpass and postweld heat treatment as required by base metal
6. Very good welding and flow characteristics
7. Shielding gases: MAG; Ar+CO2 mix gases, TIG; %100 Ar
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 |