Welding Industries Australia

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Unicord 312

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A Basic, Rutile Type Electrode.

  • Repair and Maintenance of Steels of Unknown Composition
  • SMAW
  • MMAW
  • Flat Position - Fillet Joint
  • Horizontal Position - Fillet Joint
  • Flat Position - Butt Joint
  • Horizontal Position - Butt Joint
  • Overhead Position - Fillet Joint
  • Overhead Position - Butt Joint
  • Vertical Position - Up

Description

A basic, rutile type electrode depositing a 29%Cr/9%Ni stainless steel weld metal for the high strength welding of a wide range of alloy steels and dissimilar ferrous metals.

The high ferrite, austenitic stainless steel deposit has excellent resistance to hot cracking, even under dilution by high carbon, alloy and tool steels. Unicord 312 is a universal maintenance electrode combining high strength, toughness, wear and corrosion resistance with compatibility to most ferrous metals.

Typical Applications

For repair and maintenance of steels of unknown composition. Also suitable as a buffer or intermediate layer prior to the application of hard surfacing.

Classification

  • AS/NZS 4854-B - ES312-16
  • AWS A5.4: E312-16
Typical All Weld Metal Chemical Analysis  
CCrNiMoMnSiPSCu
0.0328.618.990.111.040.710.0230.0240.12
Typical All Weld Metal Mechanical Analysis
Yield StrengthTensile StrengthElongationDeposit Hardness
500 Mpa770 MPa45%28 - 35 HRc
Electrode Size (mm)Packaging (kg)Approx No. of Rods per kgPart Number
 PacketCarton  
2.52.512.553UC31225
3.22.512.527UC31232
Full Pallet Quantity 
Electrode Size (mm)Weight (kg)
2.5 & 3.2900