Coreweld 89

Coreweld 89 is a high‑strength metal‑cored welding wire (>890 MPa) designed for use with an Ar/8% CO₂ shielding gas. It delivers excellent low‑temperature toughness and low diffusible hydrogen for demanding structural applications.

Key Features

• Optimised for Ar/8% CO₂ gas mixture
• Achieves >890 MPa tensile strength
• Excellent -40 °C toughness (95 J impact)
• Low diffusible hydrogen (H5)
• High deposition rates (1.3‑8 kg/h)

Specifications

• Classifications: SFA/AWS A5.28 E120C‑G H4, EN ISO 18276‑A T 89 4 Z M M21 3 H5
• Approvals: CE (EN 13479), UKCA (EN 13479)
• Tensile strength (As Welded): 965 MPa (M21), 993 MPa (M20)
• Yield strength (As Welded): 910 MPa (M21), 931 MPa (M20)
• Elongation: 17 %
• Charpy impact (As Welded, -40 °C): 95 J (M21), 82 J (M20)
• Typical weld metal composition (M20): C 0.105 %, Mn 1.32 %, Si 0.53 %, S 0.010 %, P 0.008 %, Ni 2.49 %, Cr 0.58 %, Mo 0.71 %, V 0.01 %, Cu 0.01 %, Nb 0.01 %
• Deposition data (1.2 mm): 100‑360 A, 16‑32 V, 1.8‑13.0 m/min, 1.3‑8.0 kg/h

Applications

• Structural steel construction
• Cranes, forestry machinery, load‑support equipment
• Heavy equipment, bridges, offshore rigs
• Railcars, shipbuilding, pressure vessels
• General fabrication requiring high‑strength welds