OK Autrodur 56 G M

OK Autrodur 56 G M is a copper‑coated, low‑alloyed solid GMAW wire designed for hard‑facing and building highly wear‑resistant layers on tools, machinery parts, and digging equipment. The weld metal achieves a hardness of 50‑60 HRC.

Key Features

• Copper coating for excellent wetting and arc stability
• Low‑alloy composition (0.45 % C, 3 % Si, 9 % Cr)
• Suitable for both M21/C1 and CO₂ shielding gases
• Provides hard‑facing layers with 50‑60 HRC hardness

Specifications

• Classifications: EN 14700 : Fe8
• Alloy Type: Low alloyed (0.45 % C, 3 % Si, 9 % Cr)
• Shielding Gas: M21, C1 (EN ISO 14175) or CO₂
• Typical Weld Metal Analysis (80 % Ar/20 % CO₂): C 0.4 %, Mn 0.3 %, Si 2.7 %, S 0.01 %, P 0.02 %, Cr 9.0 %
• Typical Wire Composition: C 0.44 %, Mn 0.4 %, Si 3.02 %, Cr 9.24 %
• Deposition Data:
  • 1.0 mm: 80‑280 A, 18‑28 V, 2.7‑14.7 m/min, 1.0‑5.4 kg/h
  • 1.2 mm: 120‑350 A, 20‑33 V, 2.7‑12.4 m/min, 1.5‑6.6 kg/h

Applications

• Hard‑facing of tools and wear parts
• Building up layers on rollers, digging tools, and machinery components
• Any application requiring high wear resistance