OK Tubrodur 12Cr S

OK Tubrodur 12Cr S is a flux‑cored cored wire for submerged arc welding that produces a martensitic 12 % chromium stainless‑steel deposit with nitrogen addition.

Key Features

• Designed for SAW process under flux
• Martensitic stainless steel weld metal with 12 % Cr
• Includes nitrogen for improved properties
• Available in 3.0 mm diameter, 300 kg coil

Specifications

• Classifications: EN 14700 : T Fe7
• Welding Current: DC±
• Alloy Type: Surfacing alloy – martensitic stainless steel weld metal
• Typical Weld Metal Analysis (%): C 0.05, Mn 0.86, Si 0.51, Ni 3.88, Cr 11.9, Mo 1.02, V 0.10, N 0.061, Nb 0.11
• Deposition Data (3.0 mm): 400‑700 A, 28‑36 V, 2.5‑5.5 m/min wire feed, 5.5‑12.0 kg/h deposition rate

Applications

• Hardfacing and surfacing of wear‑resistant layers
• Submerged arc welding (SAW) of stainless steel components
• Industrial equipment refurbishment and repair