Fabrication and repair welding of boilers, furnaces, and pressure-vessel steel for petrochemical and cement-mill service.
Covered Electrode
A heat-resistant (1100°C) stainless steel electrode alloyed with CrNi and CrNiAl, used for furnace and boiler fabrication. Highly resistant to corrosion and oxidation. Recommended material grades: X20CrNiSi 25 4, G-X40CrNiSi 27 4, X10CrAl 7, X10CrAl 13, X10CrAl 18, X10CrAl 24, G-X30CrSi 6, G-X40CrSi 17, 327, 310.
Covered Electrode
A Cr-Ni and Cr-Si-Al alloyed stainless steel electrode resistant to heat up to 1200°C, used for cast steel, furnaces, boilers, and pipe. Suited to the ceramics, petrochemical, and cement mill industries. Recommended stainless steel grades: X15CrNiSi 25 20, X12CrNi 25 21, X15CrNi 20 12, G-X 15 CrNi 25 20, G-X40 CrNi25 21, G-X40 CrNi-Si 22 9, X10 CrAl 18, X10 CrAl 24, G-X 40 CrSi 17, 305, 310, 314.
Covered Electrode
(A) A low-alloy steel electrode for welding in steel construction, boiler fabrication, vessel fabrication, and machine building. Good strength and toughness, with a low-hydrogen weld deposit, low spatter, and high weld quality. Material grades: S235JR-E295, E335, S235J2G3-S355J2G3, C22, C35, P235T1-P355T1, L210-L360, P255NH-P355NH, S255NR-S355NR, GE200-GE300, 6010, 6013, 6019. (B) An electrode for welding steel and galvanized tanks.
Covered Electrode
An electrode for all types of steel including heat-resistant steel up to 650°C. Used for welding steam boilers, pipe steel, pressure vessel steel, petrochemical equipment, cast steel, and cement mills. Very well suited for maintenance work. Base material grades: 13CrMo4-5, 15CrMo5, 16CrMoV4, G17CrMo5-5, G22CrMo5-4, A193Gr.B7, A333Gr.P11, P12, 8018, 8013, 8010, 8045-P2.