PRODUCTS
E309LT1-1
Keywords:
E309LT1-1
Category:
Stainless Steel Flux Cored Wires
GB/T 17853 TS309L-FC11 AWS A5.22 E309LT1-1
Applications
Suitable for welding 06Cr23Ni13 (S30908) and dissimilar steels. It can be used for the manufacture of similar types of stainless steel structures and composite steel and dissimilar steel components in equipment for synthetic fibers, petrochemicals, etc. It can also be used for transition layer welding of inner walls of nuclear reactors and pressure vessels, and welding of internal tower components. Common application areas include petrochemicals, food and medical equipment, shipbuilding, and nuclear power.
Characteristics
CO2 gas-protected stainless steel flux-cored welding wire, with a soft and stable arc, minimal spatter, easy slag removal, and aesthetically pleasing weld formation. It has good welding process performance, and the deposited metal has good crack resistance.
Power Supply Polarity
DC Reverse Connection (DC+)
Protective Gas
100% CO2
Chemical Composition of Deposited Metal (%)
| Test Items | C | Mn | Si | P | S | Ni | Cr | Mo | Cu |
|---|---|---|---|---|---|---|---|---|---|
| GB/T Standard | ≤0.04 | 0.50~2.50 | ≤1.00 | ≤0.040 | ≤0.030 | 12.0~14.0 | 22.0~25.0 | ≤0.75 | ≤0.75 |
| Example | 0.03 | 1.16 | 0.60 | 0.031 | 0.006 | 12.4 | 22.6 | 0.02 | 0.02 |
Mechanical Properties of Deposited Metal
| Test Items | Rm (MPa) | A (%) |
|---|---|---|
| GB/T Standard | ≥520 | ≥25 |
| Example Value | 575 | 37.5 |
Reference Current
| Welding wire specifications (mm) | Φ1.2 | Φ1.4 | Φ1.6 | |
| Welding current (A) | Flat welding, horizontal welding | 100~260 | 110~300 | 120~320 |
| Vertical welding, overhead welding | 120~180 | 120~180 | 120~180 | |
Key Points of Welding Process
1. Protective Gas Requirements: Recommended gas flow rate is 20~25 L/min. Ensure a stable gas supply to prevent porosity and oxidation caused by air intrusion.
2. Welding Operation Tips: Recommended electrode extension length is 15~20 mm. Adopt a short arc welding technique and avoid excessive oscillation to ensure uniform weld formation. For vertical/overhead welding, appropriately reduce the current to prevent molten metal sagging.
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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