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TKweld 2025 New Aluminium MIG Welding Wire is engineered for welders who demand consistent quality, ease of use, and reliable results. Designed for modern aluminum welding needs, this 1.2mm welding wire is offered in popular alloy types ER4043, ER5183, ER5356, and ER4047 to match a wide range of base metals and applications. Available with OEM customization options, TKweld brings professional-grade performance to workshops, factories, and on-site jobs
This welding wire is made from high-purity aluminum alloys, processed to strict standards so each spool delivers smooth feeding and steady arcs. The 1.2mm diameter is a versatile choice that balances good deposition rates with manageable heat input, making it suitable for both thin and medium-thickness aluminum panels and structures. Welders will appreciate fewer starts and stops, reduced spatter, and cleaner weld beads thanks to the wire’s consistent chemistry and roundness
ER4043 is a commonly used alloy for aluminum and aluminum-silicon welding. TKweld’s ER4043 wire provides good fluidity and is ideal for general-purpose welding, repair work, and joining castings or extrusions. It performs well on a variety of aluminum alloys, offering a stable arc and smooth bead appearance that helps reduce the need for excessive grinding or rework
ER5356 from TKweld is formulated for higher strength and excellent corrosion resistance, which makes it well-suited for marine, automotive, and structural applications. This alloy offers superior mechanical properties and is preferred when joining 5xxx-series aluminum alloys. ER5356 provides good weldability and is resistant to cracking, helping ensure long-lasting joints in challenging environments
ER5183 is another high-strength option included in TKweld’s line. It is particularly useful for applications that require excellent performance at elevated temperatures and strong corrosion resistance. This makes ER5183 a good choice for marine and shipbuilding uses, heat exchangers, and heavy-duty industrial components. TKweld’s ER5183 wire helps maintain joint integrity under stress and in corrosive conditions
ER4047 is available for situations where a high-silicon filler is beneficial. The elevated silicon content improves fluidity and reduces the risk of hot cracking in certain aluminum alloys, especially when welding cast aluminum or components with tight joint tolerances. TKweld’s ER4047 wire yields neat, well-formed welds that are easier to machine and finish, making it a solid option for parts that require later shaping or cosmetic work
TKweld understands that welders need more than just good metallurgy. The wire is wound on durable spools designed to reduce tangles and facilitate quick setup in MIG guns and feeders. The uniform spool tension and precise winding help ensure reliable feeding performance, minimizing downtime and frustration. Each spool is sealed and labeled clearly with the alloy type, diameter, and batch information, assisting inventory control and traceability on the shop floor
For manufacturers and distributors, TKweld offers OEM customization so products can match labeling, packaging, and specification requirements. Whether you need private labeling, specific spool sizes, or tailored packing, TKweld can accommodate orders at various volumes. This flexibility is ideal for businesses that want to integrate trusted welding consumables into their product line or streamline supply chains with consistent, branded materials
Safety and ease of use are central to the TKweld design. The wire’s surface is treated and preserved to resist oxidation during storage, which helps maintain smooth feeding and consistent weld quality even after time on the shelf. Proper handling, storage in a dry environment, and routine cleaning of contact tips and liners will further maximize performance, but TKweld’s preservation measures reduce prep work compared to untreated materials
Welders using TKweld 1.2mm aluminum MIG wire report steady arc control and predictable wetting characteristics. This reliability makes it suitable for both manual and automated welding setups, from handheld MIG guns to robotic systems in production lines. The wire’s consistent composition supports repeatable mechanical properties in welded joints, helping teams meet quality standards and reduce scrap rates
In addition to technical performance, TKweld focuses on customer support and product documentation. Each shipment can include guidance on recommended parameters such as wire speed, voltage settings, shielding gas suggestions, and welding positions. These practical tips help users get up and running quickly and dial in settings to achieve optimal bead shape and penetration for their specific application
Common applications for TKweld aluminum MIG wire include automotive body panels and frames, marine structures and fittings, aluminum furniture and fixtures, HVAC systems, pressure vessels, and general repair work. The availability of multiple alloys within the TKweld range ensures that customers can select the best filler for compatibility with their base materials and performance requirements
The 2025 New TKweld Aluminium MIG Welding Wire offers a balanced combination of consistent metallurgy, practical spool design, and OEM customization options. With choices like ER4043, ER5183, ER5356, and ER4047 in a 1.2mm diameter, TKweld provides solutions for a wide array of aluminum welding tasks. Whether you need general-purpose filler metal, a high-strength alloy for demanding environments, or a high-silicon option for cast components, TKweld delivers a dependable product that supports efficient, high-quality welding operations
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 | Zn | Be | Ti | Other |
| Standard Value | 4.50-5.50 | <0.6<> | <0.3<> | <0.15<> | <0.20> | <0.10<> | <0.0003<> | <0.15> | <0.15> |
| Items |
0.2 % yield strength
RPo,2[MPa]
|
Tensile strength
Rm [MPa]
|
Elongation A5
(L0=5d0) [%]
|
Test temperature
(℃ )
|
| Approx.values | 40 | 120 | 8 | 20 |
| Mig Wire | 0.8 | 1.0 | 1.2 | 1.6 | 2.0 | 2.4 |
| Tig Rod | 1.6 | 2.0 | 2.4 | 3.2 | 4.0 | 5.0 |
ER4043 mig wire rod provides excellent usability with stable arc, less spatter, good bead appearance. Aluminum welding wire ER4043 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
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