Welding Industries Australia

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Austarc 18TC Vac Pack

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An iron powder hodrogen controlled electrode used primarily on C-Mn and low alloy structural steels.

  • Structural Steel Construction
  • Pipe Welding
  • Oil and Gas
  • Off-Shore Where Ni-Alloying is Prohibited
  • Mining Equipment
  • Heavy Girders and Earth Moving Plant Repair and Maintenance.
  • SMAW
  • MMAW
  • Flat Position - Fillet Joint
  • Flat Position - Butt Joint
  • Horizontal Position - Fillet Joint
  • Horizontal Position - Butt Joint
  • Overhead Position - Butt Joint
  • Vertical Position - Up
  • Overhead Position - Fillet Joint

Hermetically Sealed Vacuum Packaging – The Benefits

  • Extends on-site storage life
  • Maintains code welding quality
  • Eliminates on-site redrying of welding electrodes
  • Available in 2kg pack to minimise wastage and increase critical welding job efficiency

For more information on the Austarc 18TC Vac Packed benefits click here

Try the 18TC Vac Pack for yourself

Simply complete a few details here and one of our Technical Specialists will be in touch to determine if the product is right for your application. If it is, we’ll send you a free trial pack so that you can test the benefits for yourself.


Austarc 18TC is an iron powder hydrogen controlled electrode used primarily on C-Mn and low alloy structural steels. The unique twin-coat design for 18 type low hydrogen electrode offers excellent AC arc stability and superb DC+ arc transfer, excellent re-strike, reduced spatter level and extraordinary ease of use for out-of-position welding.

Typical Applications

Typical applications include oil and gas, pipe welding, structural steel construction, off-shore where Ni-alloying is prohibited, mining equipment, heavy girders and earth moving plant repair and maintenance.


  • AS/NZS 4855-B - E49 18-1 A U H5
  • AWS A5.1: E7018-1H4R
Typical All Weld Metal Chemical Analysis  
Typical All Weld Metal Mechanical Analysis
Yield StrengthTensile StrengthElongationCVN Impact Values
406 Mpa540 MPa30%90J @ -50°C
Electrode Size (mm)Packaging (kg)Approx No. of Rods Per KgPart Number
Full Pallet Quantity 
Electrode Size (mm)Weight (kg)
3.2 & 4.0900