Hardfacing Wear Resistance CCO Steel Pipe using wear-resistant pipe surfacing machine, adopting open-arc self-protection automatic surfacing welding technology on the inner wall (above 300mm in diameter) or outer wall (unlimited diameter) of seamless steel pipe (Comply with GB / T8163-1999), a layer of high wear-resistant or high corrosion-resistant alloy material is automatically and seamlessly welded by the CNC to form chromium carbide alloy wear-resistant pipe.
Wear Resistant Alloy Steel Pipe is composed with the low carbide steel pipe and chromium carbide wear-resistant layer, wear layer generally accounts for the total thickness of the pipe 1 / 3-2 / 3; Wear-resistant layer and the substrate is a combination of metallurgical, wear-resistant layer will not fall off, it can be withstand greater impact; Wear-resistant pipe processing and molding using wear-resistant steel rolling or directly in the seamless pipe two ways; It is connected with the flange connection and welding connections in two ways; It can be processed into elbows, tees, round, cone, square tube, the minimum curl radius is 20 times the plate thickness.
Types of Abrsion Resistant Pipe
1. Straight Pipe:
1) Ordinary substrate straight pipe plus wear-resistant layer. The substrate pipe is automatically welded online, and the surface is flat after welding.
2) Wear resistant composite steel plate is rolled into the wear resistant pipe with a rolling machine.
3) Abrasion resistant composite steel sheets cut and assembled and welded into round tubes.
2. Elbow:
Overlay welding directly on the inner wall of the elbow or cut and assembled then welded into elbow.
3. Three Way:
Cut, assemble and weld then to form this type wear-resistant pipes.
4. Cone:
cut, roll and and welded to shape.
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Properties
| Propertiles Of CCO Pipe | |
| Product Name | Bimental Hardfacing Steel pipe |
| Material | High Chromium Carbide Overlay |
| Hardness | 50-65 HRC, HV1800(VICKERS -HARDNESS) |
| Surface Treatment | Hardfacing, Clading, Coated |
| Technique | Hardfacing Advanced submerged arc welding/ Opening Welding Technology |
| Chemical Composition | Cr, C, Si, Mn and Other |
| 15-30%, 3.5-5%, 0.5-1.5%, 0.5-25%, ≤2% | |
| Thinckness of surfacing layer of inner wall of steel pipe | 3-25mm |
| Mechanical Properties/ Max. Metallurgical Bond Strengh | 350Mpa |
| Wear Resistance | High wear resistance 20 times than that of low-carbon steel, 10 times than low alloy steel plate , 8 times than that of heat-treated wear-resistant steel 3 times than high chromium cast iron plate |
| Diameter of Pipe | OD>300mm |
Features
Abrasion Resistance Features:
The use of CNC fully automatic inner wall overlay of chromium carbide alloy material, anti-abrasive wear performance, the use of metallurgical fusion method, wear-resistant layer and the base material to achieve metallurgical bonding, that is, inter-atomic bonding. The thickness of the wear-resistant layer is 1-20 mm, and the wear resistance is about 3-5 times higher than that of ordinary steel pipes.
Impact Resistance:
The base tube of the welded wear-resistant pipe is made of low carbon steel with good plasticity, which is metallurgically bonded to the wear-resistant layer and is welded as one.
Cutting Characteristics:
Due to the use of soft base tube, can be cut with plasma, carbon arc and other heat sources, can be assembled and shaped, so that on-site welding work becomes time-saving, convenient. High temperature resistance, wear resistance and corrosion resistance The certain content of Ni, Cr and rare earth in the alloy improves the temperature resistance and corrosion resistance performance of the high chromium composite overlay wear resistant pipe, which can be operated for a long time in the range of -40℃~800℃.
Pressure Resistance Characteristics:
The external use of steel pipe or steel plate hot pressing pushing, after a good welding, so that the elbow in 10Kg/cm2 pressure or more, will not appear due to local leakage, and the material infusion phenomenon.
Application
Application Scope:
Widely used in thermal power, steel, smelting, machinery, coal, mining, chemical industry, cement, port terminal and other enterprises on all mechanical equipment with large wear and tear, such as coal conveying, material conveying system, powder making system, ash discharge, dust removal system, etc., all can choose different types of products according to different needs.
Mine fillings, refined powder and tailings transportation, Pulverized coal and coal slag delivery, ash transportation, etc. Widely used in mine beneficiation tailings unloading pipeline, power plant, steel plant pneumatic equipment, etc.
Shandong Qishuai provides various bimetal CCO pipes, the base pipe material is Q235B, and the inner wall of the pipe or the outer layer of the pipe is welded with chromium carbide wear-resistant layer.
The chromium carbide wear-resistant pipes manufactured by our company have a longer service life, plus cost-effective and lower cost of comprehensive use, are favored by customers, Welcome to discuss cooperation.
About Qishuai
Our company is strong in both technology and capability, has experienced technical staff and advanced equipment. Not only has stable strategic partners in China, but also has customers in Asia, Europe, South America and Oceania, and its products has been exported to more than a dozen countries and regions around the world.
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