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OEM/ODM ER4043 Silicon Aluminum Welding Wire Suppliers

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ER4043 Silicon Aluminum Welding Wire
  • ER4043 Silicon Aluminum Welding Wire
  • ER4043 Silicon Aluminum Welding Wire
  • ER4043 Silicon Aluminum Welding Wire
  • ER4043 Silicon Aluminum Welding Wire
Aluminum Welding Wire

ER4043 Silicon Aluminum Welding Wire

4043 is a 5% Silicon Aluminum filler metal which has excellent flowability and penetration characteristics, recommended for welding Aluminum alloys with maximun 2% alloys element and for Aluminum alloys containing up to 7% of Si, such as 2014,3003,3004, 5052, 6060,6061,6063 and 6082. Mainly used in chemicals, molds, furniture, storage boxes, containers and other industries.

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  • DIN EN ISO 18273

    S AL 4043 (AlSi 5 (A) )

    Werkstoff-Nr.

    3.2245

    AWS/ASME A 5.10

    ER 4043

    CHEMICAL COMPOSITION（wt）/%

    Si

    Fe

    Cu

    Mn

    Mg

    Cr

    Zn

    Ti

    Zr

    Be

    other

    Al

    single

    total

    4.5~6.0

    0.8

    0.3

    0.05

    0.05

    —

    0.1

    0.2

    —

    0.0003

    0.05

    0.15

    Rem.

    TYPICAL CHARACTERISTICS

    melting range

    1065 - 1170°F

    conductivity

    42%IACS（O）

    density

    2.68g/mm3

    corrosion resistance

    B(Gen) A(SCC)

    coefficient of thermal expansion（20℃~300℃）

    22×10-6/K

    heat conductivity（20℃）

    170W/m·K

    Authentication

    ■ DB（61.069.04）

    ■ CE

    The mechanical properties of typical welded joint

    Starting Sheet

    Starting Sheet Performance

    Joint Performance

    Rm (MPa)

    RP0.2 (MPa)

    >A/%

    Rm (MPa)

    RP0.2 (MPa)

    A/%

    2014-T6

    480

    410

    13

    230

    190

    4

    6061-T4

    240

    140

    22

    185

    120

    8

    6061-T6

    300

    270

    12

    185

    120

    8

    6063-T4

    25

    22

    22

    20

    10

    12

    6082-T6

    300

    250

    6

    190

    160

    4

    Size and Packet 

    Class

    Typical Diameter/mm

    Reference Packet/Kg

    MIG

    0.8、0.9、1.0、1.2、1.6、2.4

    0.5、2、5、6、7、9

    TIG

    1.6、2.0、2.4、3.0、3.2、4.0、5.0/1000

    5、10

    DRUM

    0.8、0.9、1.0、1.2、1.6

    40、80

    COIL

    2.4、3.0、3.2、4.0

    8-15

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Product description

Welcome to our website, where innovation meets craftsmanship, and we take immense pride in presenting our product, the ER4043 Silicon Aluminum Welding Wire. As a leading manufacturer, factory, and wholesaler, we are committed to providing you with the highest quality welding wire that exceeds industry standards. Our ER4043 welding wire is designed to revolutionize your welding experience, offering superior performance, precise results, and unmatched reliability.
At the core of any welding process lies the need for a welding wire that can withstand the challenges of various applications, and our ER4043 Silicon Aluminum Welding Wire is engineered to do just that. Compliant with DIN EN ISO 18273 and with a Werkstoff-Nr of 3.2245, our welding wire is meticulously crafted to meet the stringent demands of modern welding techniques, ensuring flawless welds every time.
The heart of our ER4043 welding wire is its composition. The wire is primarily composed of Aluminum-Silicon (AlSi 5 (A)), making it a perfect choice for welding aluminum alloys. The AWS/ASME A 5.10 designation further reinforces the high standards we maintain during the manufacturing process. With a melting range of 1065 - 1170°F, our welding wire offers excellent weldability, allowing you to achieve precise, clean, and smooth welds with ease.
One of the standout features of our ER4043 welding wire is its exceptional electrical conductivity, boasting an impressive 42% IACS (International Annealed Copper Standard) at the "O" condition. This high electrical conductivity ensures efficient power transfer during the welding process, reducing heat loss and producing consistent welds that meet or exceed industry expectations.
Moreover, our welding wire exhibits a density of 2.68g/mm3, striking the perfect balance between ease of handling and ensuring substantial material in each weld. This density contributes to the wire's smooth feedability, reducing the risk of interruptions during the welding process and enhancing overall welding efficiency.
Our ER4043 Silicon Aluminum Welding Wire also boasts remarkable corrosion resistance. Rated as B(Gen) in general corrosion and A(SCC) in resistance to stress corrosion cracking, it ensures that your welded joints remain robust and durable even in challenging environments, providing longevity and reliability to your projects.
Considering thermal expansion is crucial in welding applications, our welding wire excels in this aspect as well. With a coefficient of thermal expansion of 22×10-6/K in the temperature range of 20℃ to 300℃, our wire minimizes the risk of distortion and cracking in the weld, ensuring stability and precision in your work.
Heat conductivity is yet another area where our ER4043 welding wire shines, boasting a heat conductivity of 170W/m·K at 20℃. This high heat conductivity allows for efficient dissipation of heat during the welding process, reducing the risk of overheating and producing high-quality, defect-free welds.
In addition to its exceptional technical specifications, our ER4043 Silicon Aluminum Welding Wire undergoes rigorous quality control processes, ensuring that each spool leaving our factory meets the highest industry standards. We are committed to providing you with a welding wire that you can trust and rely on for your most critical welding projects.
In conclusion, the ER4043 Silicon Aluminum Welding Wire is your pathway to precision and excellence in welding. With its Aluminum-Silicon composition, exceptional electrical conductivity, corrosion resistance, and efficient heat dissipation, this welding wire sets a new standard in the welding industry. Invest in our product today and experience the seamless fusion of innovation and craftsmanship. Join the countless satisfied customers who have elevated their welding experience with our ER4043 welding wire and take your welding projects to new heights. Trust in our product and let us empower you to create welds that surpass expectations.

ER4043 Silicon Aluminum Welding Wire

Coming From China，
Marketing To The World.

Hangzhou Kunli welding materials Co., Ltd. is located in the industrial zone of Puyang Town, Xiaoshan District, Hangzhou, Zhejiang Province. It is a high-technology and high-performance China ER4043 Silicon Aluminum Welding Wire manufacturers and wholesale aluminum welding wire ER4043 suppliers. The company has more than 20 years of aluminum alloy wire production experience, with international advanced aluminum alloy welding wire manufacturing equipment, complete testing equipment,stable production process and strict quality control system. The high-performance OEM/ODM ER4043 Silicon Aluminum Welding Wire produced by the company has successfully passed a number of international authoritative certification, such as DB, CE, ABS, DNV, CCS, etc.,. We have more than 200MT production capacity per month and 50% was exported to over 30 countries such as USA,Mexico,Southeast Asia, Japan,Korea,Australia,New zealand and etc.

  • 30+

    USED IN HEAVY INDUSTRY TECHNOLOGY SECTOR

  • 35

    YEARS OF RESEARCH AND DEVELOPMENT EXPERIENCE

  • 200+

    COOPERATIVE LARGE-SCALE R & D INSTITUTIONS

  • 20+

    GLOBAL TRADE COUNTRIES AND REGIONS

Coming From China,
Marketing To The World.

More than 90% of our field operators have professional and technical education background, and have many years of experience in equipment processing and assembly. It is precisely because of this united, dedicated, pioneering, skilled and experienced team that the company's technology and products can be continuously updated and improved.

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More Information About ER4043 Silicon Aluminum Welding Wire

What is ER4043 Silicon Aluminum Welding Wire

ER4043 is a type of welding wire used for the welding of aluminum alloys. It is made from an aluminum-silicon alloy and is the most widely used welding wire for general-purpose applications with this material.
The "ER" in its name stands for "electrode" or "rod," indicating that it is a consumable welding electrode that can be used with a variety of welding processes, such as gas tungsten arc welding (GTAW) or gas metal arc welding (GMAW).
ER4043 has a low melting point and provides good fluidity and penetration during welding, making it suitable for joining aluminum alloys with a thickness of up to ½ inch. It also produces a smooth, attractive weld bead with good corrosion resistance.
Overall, ER4043 is a versatile and reliable welding wire that is commonly used in industries such as automotive manufacturing, aerospace, and construction.

Advantages of ER4043 Silicon Aluminum Welding Wire

Some of the advantages of using ER4043 Silicon Aluminum Welding Wire include:
1.Good Welding Properties: ER4043 welding wire has good fluidity, penetration, and low melting point, making it easy to use and suitable for a variety of welding processes.
2.Excellent Corrosion Resistance: The welding wire produces a smooth, attractive weld bead with good corrosion resistance, making it ideal for use in applications where resistance to corrosion is essential, such as in the automotive and aerospace industries.
3.Versatility: ER4043 welding wire can be used for welding a wide range of aluminum alloys, including those with different thicknesses and compositions.
4.Low Cracking Tendency: ER4043 welding wire has a low cracking tendency, making it less likely to produce welds with defects or cracks.
5.Good Strength: The welding wire produces welds with good strength and ductility, making it suitable for use in applications where strength is important, such as in structural components.
Overall, ER4043 Silicon Aluminum Welding Wire is a reliable and versatile welding wire that offers a range of advantages for those who need to weld aluminum alloys.