Among the various machining materials, aluminum alloys have become the preferred choice for many industries due to their core advantages of low density and lightweight, ease of machining and forming, and excellent surface finishing. Aluminum alloy types can be flexibly selected and matched according to product performance requirements and actual application environments.
With more than 15 years of experience in the welding field, our company possesses mature capabilities in argon arc welding, laser welding, and silver brazing. We are able to undertake welding projects for all types of aluminum alloy components, strengthening product quality for our clients through professional technology and extensive experience.
-
Modular Tempory WarehouseAn aluminum alloy temporary warehouse is a prefabricated, modular storage structure featuring a high-strength aerospace-grade aluminum frame combined with enclosure materials such as PVC tarpaulin and polyurethane panels. It offers core...view more
-
Aircraft Maintenance DockQingdao KMM Machinery Manufacturing Co., Ltd. is located in Jiaoxi Industrial Park of Qingdao City. It is a high-tech enterprise. The company mainly focuses on the application of aluminum alloys in the industrial field. We provide...view more
-
Temporary Roofing SystemKMM Temporary Roofing System is a modular aluminium temporary roofing and weatherproofing system that adopts the slide sheet or "Keder" principle, enabling the roof covering to be installed entirely safely from underneath. Compared with...view more
-
Aluminum Roof WalkwayAt KMM, our Aluminum Walkway Series is engineered to deliver a safer, more reliable rooftop navigation experience — while ensuring fully compliant, secure access to every critical point on your roof.view more
-
Safe Work PlatformKMM Step Platforms By far the most popular product within the KMM range. Designed to comply with AS/NZS 1892.1:1996 and fully welded in accordance with AS 1665:2004. Lightweight yet exceptionally heavy-duty. Engineered for industrial...view more
-
Aluminium Cat Ladder With RailKMM's Main product range is made of aluminum alloy. Aluminum alloy offers advantages such as lightweight, high strength, corrosion resistance, and ease of handling, making it widely suitable for ladders and scaffolding products. Thanks...view more
-
Marine-grade Aluminum Handrail1:Compliant with ISO Maritime Standards, Full Weld PT Inspection: High-Reliability Marine Aluminum Handrail Systemview more
2:Dual Compliance of Corrosion Resistance & Safety: Marine Engineering Aluminum Handrail System with PT Welding... -
Open Half Round StepProduct description Open Half Round Step Welded by aluminum frame and aluminium chequer plate Robust & suitable for years of outdoor use Sizes: 822mm wide x 410mm deep x 290mm high or as customer drawing .view more
-
Aluminum Lightweight Material LiftProduct description The aluminum alloy Material Lift made by King Machinery Manufacturing is an integrated system design for economic efficiency, helping you to achieve maximum safety and efficiency in any environment.view more
-
Aluminum Lightweight Temporary ScaffoldingProduct description The aluminum alloy roofing system made by King Machinery Manufacturing is an integrated system design for economic efficiency, helping you to achieve maximum safety and efficiency in any environment. It is a complete...view more
-
Aluminum Fuel TankProduct description KMM can design and produce custom-made oil storage tanks based on the customer's drawings and requirements. This is an extremely useful tool for transporting fuel from one place to another. The transportation...view more
-
Under-vehicle ToolboxProduct description The KMM under-vehicle aluminum truck box, with customizable dimensions to meet customers' needs, serves as a versatile toolbox for trucks, trailers, camper vans, and pickups. Its rubber seals keep contents dry,...view more
A premium metal sourcing supplier
If you are looking for a strategic partner who understands the industry and your company's unique needs—KMM, with its professional metal sourcing team and structured logistics service system, can accurately match resources and optimize the procurement process for you. Through efficient collaboration, KMM empowers business growth and is a reliable long-term strategic partner for metal sourcing.


Your Professional Aluminum Alloy Welding Supplier
Qingdao KMM Machinery is a modem science and technology private company. We offer design, manufacturer, assemble and selling service for customer. Our main business scope is metal deep-processing products especially. Strengthen the construction of the talent team, introduce an intelligent operation and maintenance team; Deepen the industrial chain collaboration, and jointly build a customized R&D platform with cooperative enterprises.
Why Choose Us
Core Equipment
We are equipped with multiple machining centers, welding machines, laser cutting machines, bending machines, engraving machines, and more. We also provide stamping and surface treatment services, offering our customers a truly one-stop solution.
Certification System
We have obtained ISO-9001:2015 international quality system certification and CE certification, deeply integrating standardized processes into the entire supply chain of procurement, production, and delivery.
Strict Process Standards
Our quality control team, which has undergone certification and training, can conduct thorough inspections throughout the production process and ensure that our products meet industry standards and perform at their best.
Markets
We possess extensive experience serving clients in Europe, Australia, and North America.
Advantages of Aluminum Alloy Welding
Lightweight
Lightweight aluminum and its alloys welding can create lightweight structures that are strong and durable, making them popular welding material choices in industries such as aerospace, automotive, and construction.
High Strength
A high strength-to-weight ratio makes them ideal for applications where weight is a critical factor, such as aircraft and automotive components.
Corrosion Resistance
Excellent corrosion resistance makes them suitable for use in harsh welding environments where other metals may corrode.
High Thermal Conductivity
High thermal conductivity makes it an excellent choice for applications where heat transfer is important, such as in the construction of heat exchangers and radiators.
Versatility
Aluminum and its alloys can be easily welded using various welding processes such as TIG, MIG, and Stick welding, so they can be used in a wide range of applications.
Cost-Effective
Aluminum and its alloys are cost-effective compared to other materials such as titanium, making them a popular choice in many industries.
Types of Aluminum Alloy Welding

Gas Tungsten Arc Welding (GTAW)/ TIG
This is the most common method of welding aluminium. It is also known as Tungsten Inert Gas welding. This method doesn't require mechanical wire feeding, which saves you the problems that come with feedability issues.

Gas Metal Arc Welding/ MIG
MIG welding uses an electrode for the wire that is continually fed at the base of the weld. The wire is shielded by inert gas and in some instances, a gas mixture to prevent the absorption of hydrogen.

Arc Welding
Arc welding is the very first welding technique ever discovered. This technique uses a power supply to melt and join the aluminium sheet. Although it is the most cost-effective type of welding aluminium, it should only be completed by an experienced welder.

Resistance Welding
Resistance welding is also a possibility when working with aluminium. But it's not without challenges, mainly because of aluminium thermal conductivity properties. To complete the weld successfully, you will need to use special tips, welding equipment and take time developing the parameters.
Processing Flow
Raw Materials
Machining
Welding
Polishing
Inspection
Package
Working principle of Aluminum Alloy Welding
Safety: Use appropriate PPE; ensure good ventilation/fume extraction.
Prep: Clean metal thoroughly. Ensure good fit-up (bevel thick sections). Select correct filler for base aluminium alloys.
Setup: Configure TIG (AC) or MIG (DCEP, special feeder). Set parameters based on thickness/procedure.
Preheat: Consider for thick sections (>6mm / 1/4") to aid fusion/reduce stress. Monitor temp.
Weld: Use push angle. Keep the arc short/stable. Travel relatively fast but steady. Use stringer beads. Fill the crater completely.
Finish: Cool. Clean with a dedicated brush. Inspect visually.
Application of Aluminum Alloy Welding
Aerospace and High-Strength Alloy Structures
In aerospace, every kilogram saved translates directly to fuel efficiency and payload capacity.
Automotive and Lightweight Transport
Vehicle manufacturers face stringent emissions regulations and electrification demands.
Marine, Pressure Vessels, and Architectural Facades
Shipbuilders and architects exploit aluminum welding for corrosion resistance and design flexibility.
Emerging Sectors: Electric Vehicles & Renewable Energy
As industries pivot to sustainability, aluminum welding supports new technologies.
FAQ
As one of the leading aluminum alloy welding manufacturers and suppliers in China, we're featured by quality products and good price. Please rest assured to buy customized aluminum alloy welding from our factory. Contact us for more details.
Aluminum Welding Engine Housing, Movable Aluminium Ladders With Platform, weldable aluminum
