Description
Product Description
HARDFACE CNV-O x 2.0mm
CLASSIFICATION
EN 14700 T Fe16
DESCRIPTION
• Tubular wire for self shielded metal arc hardfacing
• Highly-alloyed chromium cast iron with a high concentration of complex carbides
• High chromium cast iron for hardfacing components subject to extremely severe abrasive wear and moderate impact up to 600°C.
APPLICATIONS
Hardface CNV-O is designed to give a weld deposit of particularly high hardness and wear resistance on account of the dispersion of complex carbides it contains. This gives superior performance compared to standard chromium cast irons. The properties are reached in only three layers and relief checking is normal.
Examples
Used for crushing, riddling, blast furnace hoppers and throats, ovens, extractor fans etc.
TYPICAL ALL-WELD METAL ANALYSIS
C Mn Si Cr Nb Mo W V Fe
5.50 0.50 1.50 22.00 6.00 5.50 2.00 1.00 Rest
Structure: hard primary chromium and complex carbides in a tough secondary carbide eutectic matrix
TYPICAL ALL-WELD METAL MECHANICAL PROPERTIES
Hardness – 3-layer deposit on mild steel: 64 – 66 HRc
CONDITIONS OF USE
Current type Shielding gas
DC (+) Self shielded
OPERATING CONDITIONS
Diameter Amperage [A] Voltage [V] Stick-out [mm]
[mm] Range Optimum Range Optimum Range Optimum
1.6 150 – 350 270 26 – 35 28 25 – 50 25
2.0 200 – 400 300 26 – 35 28 25 – 50 35
2.4 250 – 450 350 26 – 35 28 25 – 50 40
Recovery: 90 %
WELDING POSITIONS
Flat, half up, half down
STANDARD DIAMETERS (mm)
1.6, 2.0, 2.4,
REEL WEIGHT
15Kg
Price on application
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