Changshu Longteng Special Steel Co., Ltd.
LONGTENG WELDING CONSUMABLES WELDING THE GLOBAL
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LT·TH500-NQ-II 0.8/1.0/1.2/1.6mm Weathering Steel Solid Welding Wire
LT·TH500-NQ-II Conform to Standard :TB/T 2374 ER50-G
Specification: Argon - rich gases protection adopted, it has excellent welding performance, and with exquisite welding bead. The deposited metal has good atmospheric corrosion resistance, crack resistance, good shaping and toughness.
Purpose:Suitable for welding 500MPa 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 | 0.60~ | ≤0.60 | ≤0.020 | ≤0.025 | 0.20~ | 0.30~ | 0.20~ |
| 1.2 | 0.6 | 0.9 | 0.5 | |||||
| General Result | 0.068 | 0.8 | 0.34 | 0.01 | 0.007 | 0.25 | 0.38 | 0.45 |
| Test Item | Rm(MPa) | ReL/Rp0.2(MPa) | A(%) | KV2(J) |
| -40℃ | ||||
| Guarantee Value | ≥500 | ≥400 | ≥22 | ≥60 |
| General Result | 530 | 435 | 24 | 117/102/124 |
| 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 |