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ER2209
Keywords:
ER2209
Category:
Stainless Steel Solid Welding Wire
GB/T 29713 S2209 | AWS A5.9 ER2209 | ISO 14343-A-G (22 9 3 N L）
Suitable for welding of 022Cr22Ni5Mo3N, widely applied in petrochemical, shipbuilding and other industries.
22Cr-9Ni-3Mo-N austenitic-ferritic duplex stainless steel mixed gas shielded welding wire. It has excellent welding process performance with stable arc, low spatter, good wire feedability and attractive weld bead appearance. It features good crack resistance and is suitable for welding austenitic-ferritic duplex stainless steel.
DC Straight Polarity (DC-) / DCEN(Direct Current Electrode Negative)
Chemical Composition of Deposited Metal (%)
| Test Items | C | Mn | Si | Cr | Ni | P | S | Mo | Cu | N |
|---|---|---|---|---|---|---|---|---|---|---|
| Guaranteed Value | ≤0.03 | 0.50～2.00 | ≤0.90 | 21.50～23.50 | 7.50～9.50 | ≤0.030 | ≤0.030 | 2.50～3.50 | ≤0.75 | 0.08~0.20 |
| Example | 0.02 | 1.62 | 0.40 | 22.50 | 8.75 | 0.011 | 0.009 | 3.13 | 0.18 | 0.16 |
Mechanical Properties of Deposited Metal
| Test Items | Rm (MPa) | A (%) |
|---|---|---|
| Guaranteed Value | ≥690 | ≥20 |
| Example Value | 745 | 28 |
Reference Current
| Electrode Specifications (mm) | 0.8 | 1.0 | 1.2 | 1.6 | |
| Welding Current (A) | Flat Welding, Horizontal Welding | 70～140 | 100～190 | 130～210 | 170～280 |
| Vertical Welding, Overhead Welding | 70～110 | 100～160 | 130～190 | 170～230 | |
1. Shielding gas adopts pure argon or Ar+2% O2 / Ar+5% N2, gas flow 18.0–25.0 L/min; take strict windproof measures when wind speed exceeds 0.5 m/s.
2. Adopt controlled heat input welding, control interpass temperature below 150℃ to maintain optimal ferrite-austenite balance and avoid harmful phases (sigma phase, chromium nitrides).
3. Remove oil, rust and oxide scale on base metal surface before welding; keep welding wire sealed and dry storage, use up quickly after opening.
4. Avoid prolonged heating in the 300-950℃ range to prevent brittleness and corrosion resistance degradation.
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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