Building 12, No. 2317 Shengang Road, Songjang, Shanghai, China. +86-150 2197 1920 [email protected]
TKweld presents a complete line of premium aluminum welding rods designed for reliability, ease of use, and strong weld performance across a wide range of aluminum materials and applications. Whether you are repairing a boat, working on automotive parts, fabricating lightweight structures, or performing general maintenance, the TKweld ER1450, ER2319, ER3103, ER5554, and ER5556 rods deliver consistent, clean welds and dependable results.
Trusted Brand Quality
TKweld brings trusted manufacturing and strict quality control to every spool and stick. Our aluminum filler metals are produced to meet industry standards and provide stable chemistry, uniform diameter, and smooth feed characteristics. Each rod is packaged to protect against moisture and contamination so you get reliable welding behavior out of the package every time.
ER1450 — High-Strength Aluminum Filler
The TKweld ER1450 rod is engineered for high-strength welds where strength and toughness are required. It is particularly well suited for applications involving heat-treatable 2xxx and 6xxx series aluminum alloys that require a filler with good mechanical properties after artificial aging. ER1450 offers strong tensile properties and good resistance to cracking when used with proper pre- and post-weld procedures. Use ER1450 for structural repairs, heavy-duty fabrications, and parts that will see high stress.
ER2319 — Good Match for 2xxx Series
TKweld ER2319 is formulated to weld common 2xxx series aluminum alloys that are used in aerospace, transportation, and high-performance applications. This filler provides good tensile strength, good compatibility with 2xxx base metals, and sound weldability when proper techniques are followed. ER2319 is a solid choice for repair work and fabrication where a balance of strength and ductility is needed.
ER3103 — General-Purpose Aluminum Welding Rod
ER3103 from TKweld is a versatile, general-purpose aluminum filler that works well with 1xxx and 3xxx series alloys and is a practical choice for sheet metal work, decorative items, HVAC components, and general maintenance. ER3103 offers good corrosion resistance and ease of welding for hobbyist and professionals alike. It provides good formability in the heat-affected zone and produces clean, cosmetically acceptable welds with minimal spatter.
ER5554 — Excellent Corrosion Resistance
The TKweld ER5554 rod is designed for use with marine and coastal applications where corrosion resistance is critical. ER5554 works well on 5xxx series base materials and provides excellent resistance to seawater and salt-spray environments. This makes it ideal for boat hulls, decks, and other marine structures. ER5554 is widely used where welded parts must resist corrosion while maintaining good strength and ductility.
ER5556 — High-Strength Marine and Structural Filler
TKweld ER5556 is a higher-strength aluminum filler compared with ER5554 and is compatible with 5xxx series alloys that require improved mechanical properties. ER5556 offers better tensile strength and is suitable for parts that see higher loads while still requiring good corrosion resistance. It is commonly used in marine, automotive, and structural applications where a stronger weld metal is beneficial.
Key Features and Benefits
- Consistent Chemistry: TKweld rods provide stable alloying elements for predictable weld metal properties.
- Smooth Feeding and Arc Stability: Carefully controlled wire and stick diameters ensure reliable feeding and stable arc performance.
- Low Porosity: Proper manufacturing and packaging reduce contamination for stronger, cleaner welds.
- Good Mechanical Properties: Each filler is formulated to provide the required balance of strength, ductility, and toughness for its target base metals.
- Corrosion Resistance Options: Choose ER5554 or ER5556 for superior resistance in marine and corrosive environments.
- Versatile Range: From general-purpose ER3103 to high-strength ER1450 and ER2319, TKweld covers a broad spectrum of welding needs.
- Easy to Use: Suitable for TIG and MIG welding processes where specified, with straightforward welding characteristics for both professionals and hobbyists
Applications
- Marine repair and fabrication — hulls, decks, fittings (ER5554, ER5556)
- Automotive parts and repair — body panels, heat exchangers (ER3103, ER5556)
- Structural and load-bearing fabrications — frames, supports, brackets (ER1450, ER5556)
- Aerospace and high-performance components — where specialized 2xxx/6xxx compatibility is needed (ER2319, ER1450)
- General maintenance and sheet metal work — HVAC, signage, household repairs - ER3103
Usage Recommendations
- Clean the Work Surface: Remove oxide, paint, oil, and contaminants for a clean weld surface.
- Preheat if Necessary: For certain base metals and thicknesses, follow appropriate preheat and inter-pass temperature guidelines to reduce cracking risk.
- Use Correct Shielding Gas: For TIG and MIG, select the recommended inert gas to ensure a stable arc and proper fusion.
- Match Filler to Base Metal: Choose the TKweld filler alloy best suited to the base material to ensure compatibility and desired mechanical properties.
- Follow Post-Weld Procedures: For heat-treatable alloys, control cooling and apply proper aging treatments if required to achieve final strength.
Packaging and Sizes
TKweld’s aluminum rods are available in multiple diameters and packaging options to suit your workflow—spools for MIG, reels for automated processes, and sticks for TIG and welding by hand. Each package is sealed to prevent moisture pickup and labeled for easy identification of alloy type and size.
Why Choose TKweld
TKweld combines precise alloy control, durable packaging, and consistent performance across a wide product range. Our ER1450, ER2319, ER3103, ER5554, and ER5556 aluminum welding rods are made for welders who demand dependable results, easy handling, and welds that stand up to real-world conditions. Backed by quality control and industry-standard production, TKweld delivers the right filler material for the job every time.
Choose TKweld for aluminum welding rods that give you strong bonds, clean welds, and consistent performance across projects large and small

Low splatter
Bright weld finish
Better Arc Control
Enhances crack-resistance
All-position aluminum welding
5% silicon content increase puddle fluidity
Chemical Composition of the Welding Wire
| Items | Si | Fe | Cu | Mn | Mg | Cr | Zn | AI |
| Standard Value | 0.05 | 0.70 | 0.10 | 0.9-1.5 | 0.30 | 0.10 | 0.20 | - |
| Mig Wire | 0.8 | 0.9 | 1.0 | 1.2 | 1.6 | 2.0 |
| Tig Rod | 1.6 | 2.0 | 2.4 | 3.0 | 3.2 | 6.0 |


ER3103 mig wire rod provides excellent usability with stable arc, less spatter, good bead appearance. Aluminum welding wire ER3103 is a general-purpose type aluminum welding wire
It contains silicon additives, which result in improved fluidity (wetting action) of the weld pool and also produces a weld less sensitive to cracking



Shanghai Fengling Company, founded in 2000, is a company focusing on professional services in the welding industry. It mainly provides customers with integrated services of welding materials, welding equipment, welding automatic production lines and welding process research and development. Provide technology and services for many landmark projects and well-known enterprises, cooperation projects include (Shanghai Center, Hongqiao Transportation Hub, Jin Mao Tower, China National World Expo, National Convention and Exhibition Center, Scientist Building, etc.), cooperative enterprises (Shanghai Construction Group, MCC Steel Group), more than 20 years of accumulated very rich and valuable professional service experience. Our company has a high-quality welding technology central laboratory, with its own brand TKweld and welding robot TKrobot. At the same time, it cooperates with the world's well-known welding power supply and welding robot brands, welding power supply includes (Lincoln of USA, SAFRA of France, Kemppi of Finland, ESAB of Sweden, OTC of Japan, Panasonic, China Aotai, Megmeet, etc.), and welding robots have four major families in the world (Fanuc, Yaskawa, Kuka, ABB, etc.). FengLing aspires to become an integrated professional technical service company with great influence in the welding industry

We have a strong welding consumables market supply chain, where you can find any welding consumables and equipment you need. Our team is at your service throughout the process, supplying you with the best quality products

Aluminum welding rods has been tested by a number of international standards (ABS, VdTUV, CE, DB, ISO) which ensures the quality and safety

Q1: What kind of company are you
A: We are the real professional welding machines supplier, which has production team, R&D team, sales force and after-sale service team. And we have our own welding robot laboratory for research and to provide free technical training
Q2:How do you guarantee product quality
A:We have our own welding laboratory, which not only tests all welding consumables but also provides customers with welding solutions, accumulates a large amount of data experience, and has absolute experience in product quality control
Q3. Do you have any warranty
A: Yes, we have. One year warranty for welding rod
Q4. What certification do you have
A: All of our product shave 8 countries classification societies quality certification which ensures the quality and safety. Our products are under strict quality management to ensure supreme quality
Q5: What's the package
A: 5kg; 15kg; 20kg as one spool
Q6: What is delivery time / lead time
A: The goods will be shipped within15-30 days after the receipt of your payment
Q7: What is your minimum order
A: 500kgs
Q8: What is your payment term
A:1- 30% down payment for order confirmation, 70% before shipment. 2- 100% at sight LC
Q9:Can you send the samples for testing
A: Yes, we can support sample free for send Express charges pay by new client, second test sample all free