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Main performance: reasonable enough hardness (HRC 52-57), excellent wear resistance, improve the life of the drill pipe joint more than 3 times; The wear resistance of FRW-DPM150 to casing is less than 12% compared with the light-rotating rod joint without surfacing any wear band. Excellent anti-wear performance, effectively reduce the rotary resistance of drill string; Strong crack resistance, no visible cracks on the surface of surfacing wear-resistant belt; Welding process performance is good, less splash, wear belt forming beautiful; Can be surfacing welded on a variety of new and old drill pipe joints, drill collars, weighted drill pipe and a variety of following tool surfaces; Compatible with many other wear bands.
Welding elements:
1. Spill dirt from the wear band weld layer area +1 "(25.4mm)(either side with wire wheel or grinder). Rust. Iron filings, etc. Ensuring thorough cleanliness is important for good fusion of the wear-band weld layer with the tool joint base material
2. Mixed gas (75%-80%Ar+CO2) or 100% argon gas welding, gas flow control at 20-25L/min;
3. In order to avoid cooling cracks in welding, preheating must be carried out according to the thickness of the workpiece;
Material thickness: Tool joint outer diameter greater than 5 "(270mm)350°F (177 ° C) to 500°F (260 ° C); Tool joint outer diameter less than or equal to 5 "(270mm)200°F (93 ° C) to 350°F (177 ° C); The wall thickness is less than 19mm, it is not recommended to weld wear belt;
4. After welding, slow cooling should be carried out, generally using insulated cans or thermal insulation cotton bags;
5. After welding, cool to below 66℃ before grinding.
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Main Product:
FLUX CORED WIRE,
LASER WELDING MACHINE,
SOLID WIRE,
WELDING ELECTRODE,
GASLESS SELF SHIELDED FLUX CORED WIRE ,
WELDING MACHINE EQUIPMENT
