With a mature international trade system and stable supply capacity, we offer customers highly competitive wholesale prices and guaranteed product quality. For years, we have maintained an excellent export track record, and our high-quality 4xxx Serious Aluminum Alloy Welding Wire has been widely recognized and trusted by clients in more than 30 countries and regions around the world.
Independently developed and manufactured by Shanghai Perfect Industry Co., Ltd., the 4xxx Serious Aluminum Alloy Welding Wire is a high-performance welding consumable based on the Al-Si alloy system. It is specially engineered for welding aluminum alloy workpieces, suitable for various welding processes and industrial scenarios that demand high welding quality, strong joint reliability, and excellent process adaptability.
The alloy has an aluminum content of ≥90 wt%, with a silicon (Si) addition range of 4.5~13.0 wt%—the core alloying element that optimizes the fluidity of the weld pool, reduces the melting point, and effectively prevents hot cracking during the welding process. Trace alloying elements such as iron (Fe), copper (Cu), and magnesium (Mg) are precisely added to the alloy matrix, which enhances the mechanical properties of the weld joint, improves corrosion resistance, and ensures the stability of the welding process.
As a high-quality welding consumable for aluminum alloys, the 4xxx Serious Aluminum Alloy Welding Wire is widely used in various industrial fields that require high-quality welding of aluminum alloy components. Core application scenarios include:
•Automobile manufacturing: Welding of aluminum alloy bodies, engine components, radiators, and wheel hubs.
•Aerospace industry: Welding of non-load-bearing structural parts of aircraft, aerospace equipment accessories.
•Construction industry: Welding of aluminum alloy doors and windows, curtain walls, and architectural decorative components.
•Bicycle manufacturing: Welding of aluminum alloy bicycle frames, handlebars, and other structural components (with a proven track record in the bicycle welding field).
•Home appliance industry: Welding of aluminum alloy shells and structural parts of air conditioners, refrigerators, and washing machines.
•Shipbuilding industry: Welding of aluminum alloy hulls, marine equipment, and offshore platform components.
•Precision machinery: Welding of aluminum alloy structural parts of machine tools, transmission equipment, and hydraulic systems.
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Specification Item |
Details |
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Product Model |
4xxx Serious Aluminum Alloy Welding Wire (4043, 4047, 4343, 4553, etc.) |
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Material Composition |
Aluminum-silicon based alloy, aluminum content ≥90%, silicon content 4.5%-13.0%, with trace amounts of iron, copper, magnesium, zinc, etc. (total content of impurity elements ≤1.0%) |
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Wire Diameter |
0.8mm, 1.0mm, 1.2mm, 1.6mm, 2.0mm, 2.4mm (supports customization of special diameters) |
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Length |
Standard length: 150mm (rod wire), 5kg/15kg spool, 200kg drum (supports customized packaging length) |
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Tensile Strength of Weld Joint |
≥230MPa (after welding, matching common aluminum alloy base materials) |
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Elongation of Weld Joint |
≥12% (after welding) |
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Corrosion Resistance |
Good atmospheric corrosion resistance; weld joint maintains excellent corrosion resistance in natural environments, and can be further improved with surface treatment |
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Weldability |
Compatible with MIG, TIG welding processes; suitable for DCSP (direct current straight polarity) welding; no pre-welding heat treatment required for common aluminum alloys, with stable welding quality |
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Surface Treatment |
Copper-plated (enhances electrical conductivity and wire feeding performance), non-copper-plated (for special application requirements), surface is smooth and free of oil, rust, and defects |
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Packaging Type |
Spool packaging (5kg/15kg), drum packaging (200kg), rod wire packaging (150mm length, 100pcs/bundle), support customized packaging |
1.Automotive Manufacturing
2.Aerospace Industry
3.Construction and Decoration
4.Bicycle and Sports Equipment
5.Home Appliance and Electronic Equipment
6.Shipbuilding and Marine Engineering
7.Precision Machinery and Equipment
8.Other Fields: Welding of aluminum alloy containers, pipeline systems, and custom aluminum alloy products.
1.Raw Material Inspection
2.Production Process Supervision
3.Finished Product Testing
1.Professional Technical Strength: Focus on the R&D and production of aluminum alloy welding wire for years, with a professional technical team and mature production experience. We can provide targeted technical support and welding solution customization according to customer application scenarios (especially in the bicycle welding field, with in-depth technical accumulation and successful cooperation cases).
2.Stable Supply Capacity: Equipped with advanced welding wire production lines, two professional warehouses, and a standing inventory of over 5,000 tons, combined with efficient supply chain management, we can quickly respond to large orders and ensure timely delivery.
3.Cost-Effective Advantage: Integrate raw material procurement, production, and sales, eliminate intermediate links, and achieve optimal cost control. While ensuring product quality, we offer competitive prices to create greater value for customers.
4.Authoritative Quality Certification: Certified by ISO9001, SGS, and other international systems, products comply with ASTM, EN, GB, and other international and national standards. Each batch of products is accompanied by a quality inspection report to ensure traceability and reliability.
5.Comprehensive One-Stop Service: Provide full-cycle services from pre-sales consultation, sample provision, welding technical guidance, to after-sales quality tracking and logistics coordination. We respond to customer needs in a timely manner to ensure a smooth and worry-free cooperation experience.
1.Inner Packaging: Each spool/drum of welding wire is sealed with moisture-proof PE film and vacuum packaging (optional) to prevent oxidation and moisture absorption. Rod wires are wrapped with anti-scratch paper to avoid surface damage.
2.Outer Packaging: Use fumigation-free wooden pallets or steel frames for spools and drums, fixed with high-strength steel straps to ensure stability during long-distance transportation and ocean shipping. Small-batch rod wires are packed in thickened cartons with shockproof fillers to avoid collision damage.
3.Custom Packaging: Support customized packaging solutions according to customer requirements, such as special moisture-proof packaging for coastal transportation, shockproof packaging for air transportation, and personalized labeling and packaging specifications, to adapt to different transportation methods and storage conditions.
1.Q: Do you provide samples? How to apply for samples?
A: We provide free standard samples (common specifications such as 1.2mm diameter, 150mm length or 50g spool). For customized specifications, a reasonable sample fee will be charged, which can be deducted from the formal order payment. You can contact our sales team via email or phone, provide your company information, required product model, specification, and application scenario (e.g., bicycle welding), and we will arrange sample delivery within 2-5 working days.
2.Q: What payment methods are supported?
A: We support international common payment methods such as T/T, L/C, and D/P. For long-term cooperative customers, flexible payment terms can be negotiated according to the order quantity and cooperation cycle.
3.Q: How to ensure the quality of welding wire during transportation?
A: We use professional packaging suitable for welding wire products, with excellent moisture-proof, anti-oxidation, and anti-collision performance. We cooperate with well-known international logistics companies with rich experience in metal material transportation to minimize transportation risks. In addition, we can purchase transportation insurance for customers according to their needs to provide double protection for product safety.
4.Q: Are you a manufacturer or a trader?
A: We are a group company integrating production, warehousing, and sales, with our own production factory, three professional warehouses, and advanced welding wire production lines. We maintain a standing inventory of over 5,000 tons and are also authorized distributors of several large state-owned aluminum enterprises in China. This dual identity ensures stable supply capacity and reliable product quality. Shanghai Perfect Industry Co., Ltd. is mainly responsible for overseas sales, providing direct sales services to global customers without intermediate links.
•Provide free standard samples (specifications: 150mm length or 50g spool), and customized samples are available for a reasonable fee (deductible from formal orders).
•Sample delivery time: 2-5 working days after confirming sample requirements, shipping information, and payment (if applicable).
Address
No.6 Wenchuan Rd.,Baoshan Dist., Shanghai,China
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