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E71T-1C
Keywords:
E71T-1C
Category:
Carbon Steel Flux Cored Wires
AWS A5.20 E71T-1C ISO 17632-B-T492T1-1CA GB/T 10045-2018 T492T1-1C1A
Application: Applicable to the welding of 490MPa high-strength steel structure, mostly the welding of steel structure for ships, mechanical manufacturing, containers, petrochemical engineering, bridges etc.
Characteristics: E71T-1C is a titania-type slag system CO₂ gas shielded flux-cored welding wire with excellent welding process properties, stable arc, less spatter, easy slag removal, and beautiful weld appearance. Relying on its good all-position welding process property, it is able to conduct vertical down welding.
Welding Wire Chemical Composition:(Mass Fraction)
| Element | C | Mn | Si | P | S |
| Guarantee Value | ≤0.18 | ≤2.00 | ≤0.90 | ≤0.030 | ≤0.030 |
| Typical Value | 0.049 | 1.46 | 0.40 | 0.014 | 0.007 |
Mechanical Properties Of Deposited Metal:
| Item | Tensile Strength Rm/MPa | Yield Strength ReL/Rp0.2 MPa | Elongation A(%) | Impact Value KV₂ (J) at -20℃ | Shielding Gas | Diffusible Hydrogen | x-Ray |
| Guarantee Value | 490-670 | ≥390 | ≥18 | ≥27 |
CO₂ | 10mL/100g | Ⅱ |
| Typical Value | 570 | 500 | 28 | 120 |
Recommended Welding Parameter:(DC+)
| Wire Size(mm) | Flat | Vertical Up | Vertical Down | Horizontal | Overhead |
| 1.0 | 120–280 | 120–240 | 120–340 | 180–260 | 150–260 |
| 1.2 | 120–350 | 120–240 | 180–260 | 150–220 | 120–240 |
| 1.4 | 150–400 | 150–260 | 180–280 | 150–260 | 150–260 |
| 1.6 | 180–450 | 180–280 | 240–300 | 150–260 | 180–280 |
Note: The above current ranges are in Amperes (A). Voltage should be adjusted according to actual conditions; typical voltage range for 1.0–1.6 mm wire is 20–32V.
Note On Usage:
1.Apply CO₂ gas shield, and CO₂ gas purity should be above 99.95%.
2.The CO₂ shield gas flow during welding should be controlled between 20–25 L/min.
3.The extension length of the welding wire should be controlled between 15–25 mm.
4.The preheat and interpass temperature should be 80-120℃ (for general conditions), maximum interpass temperature ≤150℃ for thick plate/high restraint applications.
PACKAGING AND SHIPPING
FACTORY INVENTORY
ABOUT KELVIX
Shandong Kelvix Group Co., Ltd., is a modern private enterprise specializing in the scientific research, development, production and sales of welding materials and metal wire products. As a technology-driven innovative company, we are located in Liaocheng City, Shandong Province, and are committed to providing high-quality welding consumables and metal wire products to global customers.
The company has passed ISO9001 Quality Management System, ISO14001 Environmental Management System, and ISO45001 Occupational Health and Safety Management System certifications, and has obtained EU CE, DB, VdTÜV and multiple classification society certifications.
FAQ
CORE ADVANTAGES
01
• Supply Chain Strength:
We have established long-term strategic partnerships with major domestic steel groups (such as Baowu Steel, HBIS Group, Shagang Group, Shandong Steel Group, etc.), ensuring stable supply of raw materials and high-quality standards. Through large-volume procurement and deep cooperation, we are able to offer competitive prices and reliable delivery schedules.
02
•Export Performance & Case Examples:
Our annual export volume of metal wire products exceeds300,000 tons, reaching more than 30 countries and regions across Southeast Asia, the Middle East, Europe, and South America.
03
• Representative cases include:
- Supplying high-strength galvanized steel strand for a large photovoltaic power station project in the Middle East (used for support cables).
- Providing a full range of galvanized steel wire products for a national power grid upgrade project in Southeast Asia, which was highly recognized by the overseas customer.
04
• Full-Process Export Services:
We provide one-stop services including business negotiation, contract execution, letter of credit processing, customs declaration and inspection, international logistics, overseas installation and training, and spare parts supply.
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