D227 pile
D237 EDPCrMo-A3- 15 low-hydrogen DC+ is mainly used for surfacing high-strength wear-resistant parts. Such as surfacing repair of 30CrMnSi and 35CrMnSi metallurgical rollers, surfacing repair of parts of ore crusher, surfacing repair of bucket teeth of 4M3 electric bucket in mine and bucket teeth of other excavators, etc. Pile D256 EDMn-A- 16 Low-hydrogen AC and DC+ is suitable for surfacing welding of all kinds of crushers, high-manganese rails, buckets, bulldozers and other parts vulnerable to impact and wear. D266 EDMn-B- 16 Low-hydrogen AC and DC+ are suitable for surfacing welding of all kinds of crushers, high-manganese rails, buckets, bulldozers and other parts vulnerable to impact and wear. D276 EDCrMn-B- 16 Low-hydrogen AC and DC+ are suitable for surfacing welding of turbine parts damaged by cavitation, such as turbine blades and guide vanes, and also for surfacing welding of high manganese steel parts requiring high wear resistance and toughness, such as railway turnouts, screw conveyors, bulldozer blades, grab buckets and broken blades. D277 EDCrMn-B- 15 low-hydrogen DC+ is suitable for surfacing welding of turbine cavitation damaged parts, such as turbine blades and guide vanes, and also for surfacing welding of high manganese steel parts with high requirements on wear resistance and toughness, such as railway turnouts, screw conveyors, bulldozer blades, grab buckets and broken blades. Dui D286A EDMn-B- 16 Low-hydrogen AC and DC+ are suitable for surfacing welding of high manganese steel, which is a special covered electrode for surfacing welding repair of railway high manganese rails and turnouts, and can also be used for surfacing welding of impact wear parts of various crushers and bulldozers. Dui D286B EDMn-B- 16 Low-hydrogen AC and DC+ are suitable for surfacing welding of high manganese steel. They are special covered electrode for surfacing welding repair of railway high manganese rails and turnouts, and can also be used for surfacing welding of wear parts on impact surfaces of various crushers and bulldozers. D307 EDD-D- 15 low-hydrogen DC+ can be used for surfacing welding on tool blanks made of medium carbon steel (such as 45 and 45Mn steel) to achieve the purpose of replacing the whole high-speed steel, and can also be used for surfacing welding to repair worn tools and other tools. D 317 edrcrmowv-a3-15 low hydrogen DC+ is suitable for surfacing welding of cold dies and general tools. Pile D322 EDRCrMoWV-A 1-03 Titanium-Calcium AC and DC are used for surfacing welding of various cold dies and tools, and can also be used for repairing mechanical parts with high wear resistance requirements. Dui D327
D 326 Ni edrcrmowv-a1-15 low hydrogen DC+ is used for surfacing all kinds of cold molds and tools, and can also be used for repairing mechanical parts that require high wear resistance. D337 EDRCrW- 15 Low Hydrogen DC+ is used for surfacing forging dies on cast steel or forged steel, and can also be used for repairing forging dies. D397 EDRCrMnMo- 15 low hydrogen DC+ is used for surfacing hot forging dies with cast steel or forged steel as blank, and can also be used for repairing old forging dies made of 5CrMnMo, 5CrNiMo, 5CrNiSiW steel, or surfacing high-strength wear-resistant parts. Reactor D502 EDCr-A 1-03 Titanium-Calcium AC and DC This is a universal covered electrode, which is used for surfacing welding of shafts and valves of carbon steel or alloy steel with working temperature below 500℃. Reactor D507 EDCr-A 1- 15 Low Hydrogen DC+ This is a universal coated covered electrode used for surfacing welding of shafts and valves of carbon steel or alloy steel with working temperature below 500℃. D507Mo EDCr-A2- 15 low hydrogen DC+ is used for surfacing welding of sealing surface of medium and high pressure globe valve with working temperature lower than 600℃. The sealing surface of gate valve should be used in conjunction with covered electrode and D577 covered electrode (the above two covered electrode are used for valve seat and disc respectively). D 507 monbedcr-a1-15 low hydrogen DC+ is used for surfacing welding of sealing surfaces of middle and low pressure valves with working temperature below 600℃. Stacks D5 12 EDCr-B-03 Titanium Calcium AC and DC D5 12 are a universal surfacing covered electrode. The surfacing layer is harder and more wear-resistant than D502, and it is difficult to process. It is used for surfacing welding carbon steel or low alloy steel shafts, superheated steam valves, agitator blades, screw conveyor blades, etc. D516ma edcrmn-a-16 low-hydrogen AC and DC+ are used for surfacing welding parts under the action of water, steam and petroleum media with working temperature lower than 600℃, such as sealing surfaces of 25 # cast steel and high and medium pressure valves. The reactor D5 17 EDCr-B- 15 low hydrogen DC+ D5 17 is a general surfacing covered electrode. The surfacing layer is harder and more wear-resistant than D502, and it is difficult to process. It is used for surfacing welding carbon steel or low alloy steel shafts, superheated steam valves, paddles, screw conveyor blades, etc. Reactor D547 EDCrNi-A- 15 Low Hydrogen DC+ is used for surfacing welding of sealing surfaces of high pressure valves and other sealing parts of high pressure boiler devices in power stations working below 700℃. D547Mo pile
D547MoA EDCrNi-B- 15 low-hydrogen DC+ is used for surfacing welding of sealing surface of high-pressure valve with working temperature below 800℃. The reactor D557 EDCrNi-C- 15 low hydrogen DC+ is used for surfacing welding of sealing surface of high pressure valve with working temperature below 800℃. The reactor D577 EDCrMn-C- 15 low-hydrogen DC+ is used for surfacing welding of high-pressure valve sealing surface at medium temperature and working temperature below 700℃. If it is used in combination with D507Mo in gate valve, its service life will be longer. D646 pile
D608 pile
D6 18 EDZ-A 1-08 graphite AC and DC+ are used in agricultural machinery, mining equipment and other parts that are slightly impacted by sand. D628 pile
Stack D648 EDZCr-B-08 graphite AC and DC+ are used for surfacing welding to bear slight impact load, but the wear-resistant surface is required to have good abrasive wear resistance. Such as the hammer head of a hammer mill and the impact plate of a fan mill. D667 pile
D678 pile
D698 EDZCr-C- 15 low hydrogen DC+ is used for surfacing welding where strong wear resistance, corrosion resistance and cavitation resistance are required, such as the shaft sleeve of centrifugal cracking pump, parts of mine crusher and valve cover of diesel engine in petroleum industry. D707 EDW-A- 15 low hydrogen DC+ is used for surfacing welding mechanical parts with strong rock wear resistance, such as concrete mixer blades, bulldozer and pump impeller blades, dredger blades and high-speed sand mixing boxes. Stack D802EDOCR-A-03 titanium calcium type AC and DC+ surfacing layer metal still maintains good wear resistance and corrosion resistance at 850℃. Suitable for high-temperature and high-pressure valves, thermal shear blades, high-pressure pump bushings, pulverizer blades, boiler rotating impellers, etc ... Stack D8 12 EDCC OCR-B-03 titanium calcium type AC and DC+ surfacing metals still maintain good wear resistance and corrosion resistance at 850℃. Suitable for high-temperature and high-pressure valves, thermal shear blades, high-pressure pump bushings, pulverizer blades, boiler rotating impellers, etc ... D822 EDCC OCR-C-03 titanium calcium type AC and DC+ surfacing metal stack still maintains good wear resistance and corrosion resistance at 850℃. Suitable for high-temperature and high-pressure valves, thermal shear blades, high-pressure pump bushings, pulverizer blades, boiler rotating impellers, etc ... D842 EDCC OCR-D-03 Ti-Ca type AC and DC+ surfacing metals still maintain good wear resistance, thermal fatigue resistance and corrosion resistance at 1200℃.
Suitable for surfacing hot forging die, valve sealing surface and other purposes …