OK Tubrod 14.03

OK Tubrod 14.03 is a high‑strength metal‑cored welding wire designed for use with M21 shielding gas in demanding structural applications.

Key Features

• Gas‑shielded flux‑cored wire (>690 MPa tensile strength)
• All‑positional performance for diameters < 1.4 mm
• High deposition rates and deep penetration
• Low diffusible hydrogen (H5) for clean welds

Specifications

• Classifications: SFA/AWS A5.28 : E110C‑G, SFA/AWS A5.29 : E111TG‑K3, EN ISO 18276‑A : T 69 4 Mn2NiMo M M21 2 H5
• Approvals: CE (EN 13479), DB 42.039.23, UKCA (EN 13479), VdTÜV 04142
• Welding Current: DC±
• Diffusible Hydrogen: < 5 ml/100 g
• Alloy Type: C Mn, low‑alloy steel (2 % Ni, 0.5 % Mo)
• Shielding Gas: M21 (EN ISO 14175)
• Tensile Properties (As Welded, M21): Yield 757 MPa, Tensile 842 MPa, Elongation 20 %
• Charpy Impact (As Welded, M21): -40 °C, 71 J
• Typical Weld Metal Analysis (M21): C 0.07 %, Mn 1.60 %, Si 0.50 %, Ni 2.25 %, Mo 0.56 %
• Deposition Data:
  • 1.2 mm: 100‑320 A, 16‑32 V, 1.8‑12.0 m/min, 1.3‑7.5 kg/h
  • 1.4 mm: 120‑380 A, 16‑34 V, 2.0‑9.0 m/min, 1.6‑7.5 kg/h
  • 1.6 mm: 140‑450 A, 18‑36 V, 1.5‑8.5 m/min, 1.6‑8.0 kg/h

Applications

• Structural steel construction
• Heavy equipment and transportation
• Bridges, offshore rigs, railcars, shipbuilding
• Petrochemical processing, pressure vessels, general fabrication