Changshu Longteng Special Steel Co., Ltd.
LONGTENG WELDING CONSUMABLES WELDING THE GLOBAL
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LT·ER70-G 0.8/1.0/1.2/1.6mm High Strength Steel Solid Welding Wire
LT·ER70-G Conform to Standard :GB/T 8110 ER70-G
AWS ER100S-G
Specification:LT·ER70-G is a kind of Ni,Mo,Cr type 690MPa high toughness low-alloy steel gas-shielded welding wire. It has excellent all-position welding performance, stable arc and low spatters.
Purpose:Suitable for welding 690MPa high strength steel structures, such as construction machinery, hoisting machinery, bridges, pipelines, ships, pressure vessels, etc.
Chemical Composition(%)
| Chemical Composition | C | Mn | Si | S | P | Ni | Mo | Ti | Cr | Cu |
| Guarantee Value | ≤0.11 | 1.40~ | ≤0.80 | ≤0.025 | ≤0.025 | 0.50~ | 0.20~ | ≤0.16 | ≤0.30 | ≤0.50 |
| 1.9 | 1.55 | 0.6 |
| Test Item | Rm(MPa) | ReL/Rp0.2(MPa) | A(%) | KV2(J) |
| -20℃ | ||||
| Guarantee Value | ≥670 | ≥610 | ≥16 | ≥27 |
| General Result | 740 | 645 | 23 | 121/128/126 |
Notes:
1.The welding electrodes should be preheated 2 hour at 300~350℃ before welding.
2.The impurities such as rust, oil stains and moisture must be cleared off of the work piece.