77.122.19 - 77.123.04 WELDING ELECTRODES

COCR is a cobalt, chromium, tungsten alloy electrode with superior resistance to wear, erosion and impact at high temperatures. The metal core is fully assuring specified deposit composition if coating is chipped. COCR is well suited alloys for repairing/refacing engine valve seats, pump rotors and corrosive fluid valve elements. Tensile strenght: 890 N/mm2.  ISSA Code For welding Electrode type Diameter/Lenght Weight per pack 77.122.19 Cobalt, Chromium, Tungsten COCR 3,2x350mm 2,5 kg 77.122.20 Cobalt, Chromium, Tungsten COCR 4,0x350mm 2,5 kg

NI99 is a low slagging, high nickle electrode especially designed for cold welding of cast irons to produce crack-free, machinable welds in all positions. The unique coating produces a pulsed arc providing good penetration through surface skin and contaminants for a porosity-free weld without overheating and avoid stress cracks. Preheating is not usually required. NI99 can also be used for welding cast irons to other metals such as steel, clad steel and copper-based metal alloys. Tensile strenght: 450 N/mm2.  ISSA Code For welding Electrode type Diameter/Lenght Weight per pack 77.122.21 Cast iron NI99 2,5x350mm 2,0 kg 77.122.22 Cast iron NI99 3,2x350mm 2,0 kg WELDING ELECTRODES NI60 is a lower nickel alloy than the NI99 companion electrode. It has excellent operating characteristics with very low slagging and will operate on either DC positive or AC welding power. NI60 is recommended for welding cast iron where colour matching is important or where large cavaties must be filled. Always use the lowest possible amperage and weld short time periods intermittently in order to reduce heat induced stresses and the possibility of cracking. For heavy sections, preheating to 300ºC is advisable. Peening between passes to reduce residual stresses is recommended and the work should be covered or blanketed in order to produce a slow cooling rate. The electrode may also be used to weld malleable cast iron and for welding iron to steel. The deposit is machinable. Tensile strenght: 450 N/mm2.  ISSA Code For welding Electrode type Diameter/Lenght Weight per pack 77.122.23 Cast iron NI60 2,5x350mm 2,0 kg 77.122.24 Cast iron NI60 3,2x350mm 2,0 kg WELDING ELECTRODES SN is a tin bronze electrode recommended for joining copper base alloys to themselves or to steel or cast iron. It may also be used for welding cast iron without preheat where machining after welding is not required and for cladding of steels and other material and for filling cavaties. SN is used with DC positive polarity only. Avoid working temperature range of 400-600ºC due to risk of hot shortness.  ISSA Code For welding Electrode type Diameter/Lenght Weight per pack 77.123.01 Copper base alloys SN 3,2x350mm 2,0 kg WELDING ELECTRODES AB is an aluminium bronze electrode intended for building up or joining base alloys or for welding copper base alloys to steel may also be used for buildup of cast iron using nowmal precautions for this crack sensitive material. AB deposits exhibit high strenght and are highly resistant to abrasion and wear. As on all copper welding preheating is advisable. Best results obtained in flat or horizontal position with DC positive (AC can also be used). ISSA Code For welding Electrode type Diameter/Lenght Weight per pack 77.123.02 Copper base alloys AB 3,2x350mm 2,0 kg WELDING ELECTRODES AL is an aluminium silicon electrode suitable for welding cast or extruded aluminium alloys of relatively heavy thickness. Typical applications are repair of aluminium castings or architectural or decorative components. AL is used with DC positive polarity only. The electrode exhibits high burnoff rates and high welding speeds and therefor starts and on heavy sections pre-heating may be required. The required slag is corrosive and should be completely removed following welding. ISSA Code For welding Electrode type Diameter/Lenght Weight per pack 77.123.03 Aluminium AL 3,2x350mm 2,0 kg CHAMPFERING ELECTRODES CH is specifically designed for gouging out cracks for back gouging of welds and for joint preparation. It's thick, specially developed coating produces a strong plasma and gas jet which removes the material melted be the arc. CH may be used for gouging most engineering materials such as steel, stainless steel, cast iron and many non ferrous metals. The resulting grooves are smooth and even may be followed immediatly after gouging expect on stainless steel which should be thoroughly cleaned prior to welding. Either AC or DC negative polarity may be used. The electrode should be struck perpendicular to the work and then pointed in the direction of travel at an angle of approximately 20º to the perpendicular. Travel speed of 100-150 cm/min should be maintained. CH can also be used for cutting and piercing holes. Good ventialtion in closed arears is recommended.  ISSA Code For  Electrode type Diameter/Lenght Weight per pack 77.123.03 Champfering CH 3,2x350mm 5,0 kg © Copyright - Shipsupply.nu - 2004