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OEM/ODM 5154 Aluminum Alloy Welding Wire Manufacturers

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5154 Aluminum Alloy Welding Wire
  • 5154 Aluminum Alloy Welding Wire
  • 5154 Aluminum Alloy Welding Wire
Aluminum Alloy Wire

5154 Aluminum Alloy Welding Wire

Grade 5154, Al-Mg alloy wire is used for braiding in coaxial cable for shielding, with it's good performance.

Main Application: flexible coaxial cable, a variety of audio and video cable, vehicle signal cable, network cable, data transmission cable and so on.

E-mail: rich@chinayinyu.com
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5154 Aluminum Alloy Welding Wire

Al-Mg Series | Marine-Grade Corrosion Resistant Alloy

Product Description

5154 aluminum alloy welding wire is a magnesium-based filler metal containing 3.1% to 3.9% magnesium, designed for gas metal arc welding (GMAW) and gas tungsten arc welding (GTAW) processes. This alloy is formulated to match 5154 base materials and similar aluminum-magnesium alloys within the 5xxx series. The wire undergoes shaved surface treatment followed by chemical cleaning to remove surface oxides and residual lubricants. Consistent diameter control within ±0.01mm tolerance ensures stable arc characteristics and uniform metal transfer during continuous welding operations. The alloy composition provides moderate to high strength levels while maintaining formability after welding.

Magnesium Content 3.1% - 3.9%
Tensile Strength 240 - 290 MPa
Elongation 18% - 22%
Density 2.66 g/cm³

Core Advantages

Welding Stability
Controlled magnesium content minimizes hot cracking susceptibility during solidification. The alloy composition maintains consistent arc behavior across varying heat input parameters.
Corrosion Performance
The Al-Mg matrix provides resistance to saltwater and chemical environments. Weldments retain base metal corrosion characteristics without preferential attack at the fusion zone.
Post-Weld Strength
5154 alloy maintains 85% to 90% of base metal tensile strength after welding without post-weld heat treatment. The heat-affected zone exhibits limited softening compared to heat-treatable alloys.
Feedability
Shaved surface finish reduces friction coefficient to 0.12 against Teflon liners. Precision layer winding prevents tangling and maintains consistent wire feed speed at rates up to 15 m/min.

Product Characteristics

Wire Diameters 0.8mm, 1.0mm, 1.2mm, 1.6mm (Standard spools: D200, D300)
Surface Condition Shaved finish, chemically degreased, oxide layer less than 30 angstroms
Hydrogen Content Below 0.15 ml per 100g of aluminum
Shielding Gas 100% Argon or Argon-Helium mixtures (75/25 ratio recommended for thicker sections)
Compliance Standards AWS A5.10 (ER5154), ISO 18273 (S Al 5154)

Application Scenarios

01
Marine Fabrication
Boat hulls, ship superstructures, offshore platform components exposed to seawater environments
02
Pressure Vessels
Welded tanks, cryogenic storage containers, liquefied natural gas (LNG) transport equipment
03
Transportation Industry
Truck trailers, railway car bodies, fuel tankers requiring vibration resistance
04
Chemical Processing
Piping systems, heat exchangers, storage tanks handling corrosive media

Common Issues and Solutions

Porosity formation in weld bead
Primary causes include surface contamination or insufficient shielding gas coverage. Ensure the wire is stored in humidity-controlled environment below 60% relative humidity. Verify argon flow rate between 15-25 L/min and check for air leaks in the gas delivery system.
Wire feeding interruption or bird nesting
Surface galling or debris accumulation on drive rolls leads to feeding issues. Replace steel drive rolls with U-groove or knurlless rolls designed for aluminum. Use Teflon or nylon liners and maintain clean contact tips. Replace liner when wire drag force exceeds 4N.
Reduced corrosion resistance after welding
Incomplete removal of intermetallic phases or excessive heat input degrades corrosion properties. Maintain interpass temperature below 150°C and remove oxide layers between multiple passes using stainless steel brush dedicated to aluminum.
Cracking along the weld centerline
Magnesium segregation during solidification causes cracking susceptibility. Increase travel speed to reduce heat input or adjust groove design to improve width-to-depth ratio above 1.5. Preheating is generally not required for sections below 12mm thickness.

Storage and Handling Precautions

Humidity Control
Store spools in original sealed packaging in areas with relative humidity below 60%. Opened spools must be used within 72 hours or returned to a dry cabinet.
Temperature Requirements
Allow wire to reach ambient workshop temperature for 12 hours before use to prevent condensation. Ideal storage temperature range: 15°C to 30°C.
Contamination Prevention
Use clean, powder-free gloves when handling wire. Oil or grease contamination increases porosity risk. Do not store near grinding or carbon steel workstations.
Feeder Configuration
Install U-groove drive rolls with contact pressure set to minimum consistent with steady feed. Use torch liners made of nylon or Teflon. Replace liner every 200kg of wire consumption.

  • GB/T23309-2009

    5154

    CHEMICAL COMPOSITION（wt）/%

    Si

    Fe

    Cu

    Mn

    Mg

    Cr

    Zn

    Ti

    Be

    other

    Al

    single

    total

    ≤0.45     

    ≤0.1

    ≤0.5

    ≤3.5

    ≤0.25

    ≤0.2

    ≤0.2

    ..

    ≤0.05

    ≤0.15

    Rem.

    TYPICAL CHARACTERISTICS  

    Resistance(≤Ω.mm2/m)

    1100 - 1200°F

    density

    2.7g/mm3

    Elongation

    ≥3.0

     

    Tensile strength (kpsi)

     

    ≥45

     

    Color

    Bright and Silver

    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/%

    5456-H112

    315

    165

    22

    310

    160

    14

    Size and Packet 

    Class

     Typical Diameter/mm

    Reference Packet/Kg

    SPOOL

    0.127、0.15、0.155、0.16、0.22

    4、5、6、7

    BOBBIN

    0.127、0.15、0.155、0.16

    0.5
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5154 Aluminum Alloy 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 Aluminum Welding Wire Manufacturers and wholesale aluminum alloy welding wire factory. 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 5154 Aluminum Alloy 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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Industry Information Extension

Critical Adjustments for Pulse-MIG Shielding Gas Flow Using 1.2mm 5154 Aluminum Wire

Managing the shielding gas environment is critical when welding high-magnesium alloys like 5154. Hangzhou Kunli Welding Materials Co., Ltd., a high-technology enterprise with over 20 years of experience, specializes in the R&D of high-performance 5154 aluminum alloy welding wire. Precise gas flow adjustments are necessary to counteract the high vapor pressure of magnesium and ensure the structural integrity required for international certifications such as ABS, DNV, and CCS.

Critical Gas Flow Adjustments

  • Flow Rate Optimization: For 1.2mm 5154 wire, the gas flow rate must be maintained between 15 to 22 L/min. Excessive flow can cause turbulence, drawing in atmospheric oxygen, while insufficient flow fails to protect the reactive magnesium from oxidation.
  • Gas Composition Tuning: While pure Argon (99.99%) is standard, Hangzhou Kunli Welding Materials Co., Ltd. suggests Argon-Helium mixtures (e.g., 75% Ar / 25% He) for 1.2mm wire in thicker section 3D printing or WAAM applications. The Helium content increases arc energy, providing deeper penetration and reducing the risk of fusion defects.
  • Post-Flow Management: Magnesium-rich 5154 alloys are highly susceptible to crater cracking. Extending the shielding gas post-flow to 3–5 seconds ensures the molten pool solidifies completely under a protective shroud.
  • Lead-In Gas Purging: To eliminate moisture or air trapped in the liner, a pre-purge of 0.5 to 1.0 seconds is essential to maintain the stable production process utilized by enterprises like China CRRC.

Shielding Gas Parameter Comparison

Parameter Standard Pulse-MIG (Argon) High-Performance WAAM (Ar-He Mix)
Flow Rate (1.2mm Wire) 15 - 18 L/min 18 - 22 L/min
Arc Thermal Energy Moderate High (Helium Enhanced)
Penetration Profile Finger-like Broad/Deep
Porosity Risk Standard Low (Higher heat helps gas escape)
Gas Purity Requirement ≥99.99% ≥99.99%

FAQ

  • How does Hangzhou Kunli Welding Materials Co., Ltd. ensure the chemical stability of 5154 wire?

    Hangzhou Kunli Welding Materials Co., Ltd. utilizes internationally advanced manufacturing facilities and a strict quality control system to maintain precise magnesium levels. By cooperating with institutions like the Beijing Nonferrous Metals Research Institute, the company ensures that every spool meets DB, CE, and ABS standards, providing a reliable alternative to imported high-performance materials.

  • What makes Hangzhou Kunli Welding Materials Co., Ltd. a qualified supplier for major enterprises like China CRRC?

    With a monthly production capacity exceeding 200 MT, Hangzhou Kunli Welding Materials Co., Ltd. has broken the long-standing reliance on imported aluminum alloy welding materials. Their consistent performance and ability to supply large quantities of internationally certified wire (including DNV and CCS) have made them a trusted partner for global leaders like Maersk and China CRRC.

  • What is the global export reach of Hangzhou Kunli Welding Materials Co., Ltd. products?

    Currently, 50% of the high-performance wire produced by Hangzhou Kunli Welding Materials Co., Ltd. is exported to over 30 countries and regions. This includes major markets such as the USA, Mexico, Japan, Korea, and Southeast Asia, as well as Australia and New Zealand, where the company’s 20+ years of manufacturing experience ensures consistent and reliable product performance.