ER 4011 (AlSi7Mg0.5Ti) Aluminium Welding Wire
ER 4011 (AlSi7Mg0.5Ti) Aluminium Welding Wire ER 4011 (AlSi7Mg0.5Ti) Aluminium Welding Wire

Welding Consumables

ER 4011 (AlSi7Mg0.5Ti) Aluminium Welding Wire

Aluminium-silicon filler metal for MIG and TIG welding of 2000 series aluminium alloys
  • Chemical Designation: AlSi7Mg0.5Ti
  • Standard: AWS A5.10, GB/T10858-2023
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Chemical Composition (%)
Si Fe Cu Mn Mg Zn Ti Al Be Others
Each Total
6.5-7.5 ≤0.20 ≤0.20 ≤0.10 0.45-0.7 ≤0.10 ≤0.04-0.20 Rest 0.04-0.07 ≤0.05 ≤0.15
Features
  • Suitable for welding 2xxx series aluminium alloys, especially in applications with high strength requirements
  • Provides better ductility and tensile strength than standard 4xxx series filler metals
  • Delivers excellent resistance to stress corrosion cracking, making it ideal for components exposed to elevated temperatures
Available Sizes
  • Welding wire: 0.8/1.0/1.2/1.6/2.0/2.4/3.0/3.2/4.0/5.0/6.0mm
  • Spool: D300 (9kg), D270 (7kg), D200 (2kg), D100 (0.5kg)
Applications
  • Nuclear power systems: Used for components like reactor vessels and fuel support structures
  • Boilers and pressure equipment: Ideal for welding parts such as heat exchangers, steam lines, and pressurized vessels operating under thermal stress
  • Defense industry: Suitable for lightweight military vehicle bodies, missile shells, turret mounts, and structural frames for electronic systems
  • Aerospace manufacturing: Commonly applied to aircraft frames, wing connectors, fuel tanks, engine housings, and other parts exposed to demanding conditions
Applications
Packaging
Packaging
  • MIG wire diameter: 0.8mm, 1.0mm, 1.2mm, 1.6mm, 2.0mm
  • Package: D300 (9kg/spool), D270 (7kg/spool)
Packaging
  • MIG wire diameter: 1.2mm, 1.6mm
  • Package: drum D660 (100kg/drum)
Packaging
  • TIG wire diameter: 2.0mm, 2.4mm, 3.0mm, 3.2mm, 4.0mm, 5.0mm, 6.0mm
  • Package: 1000mm length (10kg/box)
Packaging
  • TIG wire diameter: 1.6mm, 2.0mm, 2.4mm, 3.0mm, 3.2mm, 4.0mm
  • Coil inner diameter: D450mm, D300mm
  • Package: 10-17kg/coil
Recommended Welding Method

To achieve strong, consistent welds, this welding wire works best with MIG or TIG processes using alternating current and pure argon shielding gas. Preparing the weld area is important, remove any surface contaminants and ensure both the workpiece and the welding wire remain dry and clean throughout the process.

Recommended Welding Method
Why Choose Us
Why Choose Us
  • In-Depth Experience
    1. We’ve specialized in aluminium and titanium welding wire for over 35 years.
    2. Our manufacturing facility includes 6 processing workshops, over 60 production machines, and more than 50 production lines.
    3. We’ve supplied products and services to over 5,000 clients in 15 countries.
  • Premium Quality
    1. We are certified by ISO9001:2015 and GJB9001C-2017.
    2. The welding wires we offer are approved by CE, DB (German Railway), CCS (China Classification Society), VdTÜV (Germany), and SGS.
    3. A CNAS-accredited lab provides technical support and welding process evaluation.
  • On Time Delivery
    1. Customized packaging option are available with delivery lead times between 3 to 15 days
    2. We keep 280 tons of finished inventory and have an annual production capacity of 3,000 tons.
    3. Our technical team offers free welding consultations, tailored solutions, and 24-hour after-sales service.
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