Mina Yu’s Post

SUS 410 self-tapping screw in metal roof/metal beam installation   SUS 410 self-tapping screw Description：   Drilling, thread-forming and fastening in one step Connect components in one step Reduces assembly times Save tool changes and drilling tool costs Instructions：   As stainless steel is different from carbon steel, it has good ductility and malleability. Improper use can easily lead to inability to break through, and the bonding is not strong.SunRack solar mounting systems are usually composed of SS304 bolts and nuts.   The difference of SS316 and SSS 304 screw and SS410 are as below:   SS304 and SS316 can drill into plastic steel, magnesium alloy, aluminum alloy, industrial plastics and other materials, SUS 410 not only can you tap into the above materials, but can also tap into stainless steel plates and steel plates with various harnesses around HV300 degrees.   Drive in 410 screw, ensure that the speed of the drill is between 1000 and 1500 rpm Install the sleeve of 9.5 on the drill, then connect the screws.   The screw and electric drill must be perpendicular to the surface of the profiled steel plate during installation and click on the power switch, create a center point.Torque 12-13NM, please note that the unit is not lbs.   Ensure that the force is on the same vertical line as the center point.   Turn on the power switch; do not stop midway, stop the drill quickly after the screw is in place (to prevent under drilling and excessive drilling). Period is about 10-15 seconds   Can use on steel plate thickness 6-10MM After drill, please check the screw top to keep the EPDM gasket in close contact with the roof to prevent water leakage, bring corrosion to the screws.   The screw top requires additional anti-corrosion treatment, need to check screw when the solar system maintenance.   Remarks: Store in the dry environment, and wipe it in case of any rust on surface. Don’t use too much force when break in, the tip and threads will break.

Balancing the viscosity of drilling fluids for effective cutting transport while minimizing frictional losses and equipment wear involves optimizing several interdependent factors. Here are strategies to achieve this balance: 1. Choose an Appropriate Base Fluid Select a base fluid (e.g., water-based, oil-based, or synthetic) that suits the well's operating conditions and geology. Consider the temperature and pressure conditions of the well, as viscosity changes with these parameters. 2. Optimize Viscosity Maintain Shear-Thinning Properties: Use non-Newtonian fluids (e.g., polymer-based fluids) that exhibit low viscosity at high shear rates (near the drill bit) and high viscosity at low shear rates (to suspend cuttings during transport). Temperature Compensation: Use additives to ensure viscosity remains stable under high-temperature conditions. 3. Adjust Rheological Properties Target appropriate yield points and gel strengths to enhance cutting suspension without causing excessive friction. Monitor and control the fluid’s flow curve (plastic viscosity and yield stress) to balance transport efficiency and pressure drop. 4. Use Additives for Fine-Tuning Viscosifiers: Add materials like bentonite, xanthan gum, or synthetic polymers to increase low-end rheology and improve cutting suspension. Lubricants: Incorporate lubricants (e.g., ester-based or graphite-based) to reduce friction between the drill pipe and the borehole wall. 5. Minimize Solids Content Maintain low levels of drilled solids in the fluid to prevent excessive viscosity and wear. Solids control equipment like shale shakers and hydrocyclones can help. Ensure proper particle size distribution in the drilling fluid to avoid clogging and reduce wear on equipment. 6. Monitor and Adjust Flow Rate Increase flow rate within allowable limits to enhance cutting transport without inducing erosion or wear on the borehole and equipment. Use flow modeling software to predict the impact of changes in fluid velocity on cutting transport and pressure drop. 7. Consider Borehole Geometry Account for hole inclination and diameter, as these influence the cutting transport efficiency and required fluid properties. In horizontal or highly deviated wells, maintain higher low-shear-rate viscosity to keep cuttings suspended. 8. Continuous Monitoring and Optimization Regularly monitor fluid properties (e.g., viscosity, density, and gel strength) using field tests like the Marsh funnel or rheometers. Adjust properties dynamically based on real-time data from downhole conditions and cutting returns. 9. Prevent Excessive Equipment Wear Ensure the fluid contains corrosion inhibitors to protect metal components. Use wear-resistant materials for equipment components that come in contact with the drilling fluid.

Miller welding machines Reliable access to machinery is essential to ensure operational efficiency, worker safety and project quality for industries in the energy, mining, metallurgy and construction sectors, to name a few. These industries rely heavily on specialized equipment, such as Miller welding machines, which stand out for their optimum performance, cutting-edge technology and durability. Thanks to their range of customization, Miller welding machines can be considered versatile machines, compatible with various welding processes such as MIG and TIG, which are important for carrying out high-quality work in various industrial applications. In addition to these properties, Miller welding machines have automated safety measures. This means that once welding is complete, the system triggers cooling protocols to prevent the equipment from overheating. The above guarantees a long service life for the machine. https://hubs.ly/Q02Zk0SK0

Hastelloy C276 plate application Hastelloy C276 plate is a high-performance nickel-based alloy material, known for its excellent corrosion resistance and high-temperature stability. This material is composed mainly of elements such as nickel, molybdenum, chromium, iron, and tungsten, with specific chemical components including nickel (Ni) about 57%, molybdenum (Mo) 15-17%, chromium (Cr) 14.5-16.5%, iron (Fe) 4-7%, tungsten (W) 3-4.5%, and other trace elements. The application fields of Hastelloy C276 plate are very extensive, mainly including: 1. Chemical and petrochemical industries: Commonly used for manufacturing components in contact with chlorinated organic substances and catalytic systems, as well as equipment and components in corrosive environments of high-temperature, impurity-containing inorganic and organic acids. 2. Environmental protection field: In flue gas desulfurization systems, it is used to manufacture key parts such as discharge pipes to cope with complex corrosive environments containing sulfuric acid and chlorides. 3. Papermaking industry: Used for manufacturing equipment such as cooking and bleaching vessels to cope with high-temperature, high-concentration chloride corrosion environments. 4. Marine and offshore engineering: Due to its good corrosion resistance to seawater, it is widely used in the field of marine and offshore engineering, such as manufacturing seawater desalination equipment, offshore platforms, etc. In addition, Hastelloy C276 plate also has good processing performance and can be processed through forging, hot rolling, cold drawing, welding and other processes. In terms of heat treatment, C276 needs to be solution treated to improve its uniformity and toughness, usually by heating the material to a certain temperature and holding it for a period of time, then cooling it properly. After welding, annealing treatment is also needed to eliminate stress and precipitates. The physical properties of Hastelloy C276 plate are also excellent, with high strength and good plasticity, a density of 8.9g/cm³, and a melting point of 1325-1370℃. In terms of mechanical properties, the tensile strength is about 690 MPa, the yield strength is about 283 MPa, and the elongation is about 40%. In summary, due to its unique corrosion resistance and high-temperature stability, Hastelloy C276 plate plays an important role in various industries and is an indispensable material in many fields. With the development of science and technology and the continuous expansion of application fields, the application prospects of Hastelloy C276 will be even broader.

The history of pipe manufacturing begins with the use of hollowed-out logs to carry water, a primitive but effective solution for early civilizations. As technology advanced, cast iron pipes were developed, initially used in England and France before being introduced to the United States, with Philadelphia adopting cast iron pipes in 1817. The production of steel pipes, a significant leap forward, starts with the smelting of iron. All metals are typically found in ores mixed with rocks. To extract iron, the ore is heated to a high temperature until the iron melts and separates from the waste material. The molten iron, known as pig iron, becomes the foundational component for making steel. Advancements in Steelmaking Processes Bessemer Converter: Invented in the mid-19th century, the Bessemer process revolutionized steel production. By blowing air through molten pig iron, impurities were oxidized, significantly improving efficiency and reducing costs. Open Hearth Furnace: This method followed, allowing greater control over the steel composition by melting pig iron and scrap steel together, refining the material over several hours. Basic Oxygen Process (BOP): Developed in the 20th century, the BOP replaced the Bessemer process. High-purity oxygen is blown into the molten pig iron, removing impurities more efficiently and producing higher-quality steel. Shaping Steel: Ingots, Blooms, Billets, and Continuous Casting Steel from these processes is shaped into usable forms: Ingots: Large blocks of steel, traditionally the starting point for further processing, but increasingly replaced by continuous casting. Blooms and Billets: Ingots are reheated and rolled into blooms (larger, rectangular shapes) or billets (smaller, square forms), which serve as intermediates for manufacturing pipes and other products. Continuous Casting: Modern methods now pour molten steel directly into molds, creating blooms and billets in a single, efficient step. This process eliminates the need for ingots, reducing costs and improving quality. Pipe and Tube Forming The processed steel is further worked into pipes and tubes through various methods: Seamless Pipe Manufacturing: Uses a solid billet, pierced and rolled to form a hollow tube. Welded Pipe Manufacturing: Begins with flat steel plates or coils that are rolled into a cylindrical shape and welded along the seam. Techniques like Electric Resistance Welding (ERW) or Submerged Arc Welding (SAW) are commonly used. These innovations have shaped the modern pipeline industry, enabling the transportation of water, oil, gas, and other materials with efficiency and durability. Piping Handbook 2000 Mohinder Nayyar McGrawHill #smelting #ferrous #erw #saw #bop #tube #pigiron #pipes #steel #blooms #billets #water #oil #gas

The mechanical supervisor at First Quantum’s Kansanshi copper-gold mine was chasing the unicorn of slurry piping – “piping with longer life, easier installation, and easier removal.” 🦄 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ He was frustrated that the ceramic-lined steel pipes on their high-wear slurry lines were holing out and failing every six to nine months. The process to remove and replace the DN600 pipes was arduous due to the size and location of the line. Each time they failed, the downtime cost hundreds of thousands of dollars in lost production. There’s no ‘give’ with ceramic-lined steel pipe. There’s no tolerance for incorrect measurements. If there’s any misalignment during installation or in the tile liner, the slurry works its way under the tiles and holes out the steel substrate. That’s why we recommended an option with more flexibility. Mining hose can better absorb and dissipate impact from high-velocity particles. It also has greater tolerance for twisting, stretching, and bending into place to correct misalignment. The supervisor decided to trial one side of the feed with our Australian-made Slurryflex CLX mining hose against the lined steel pipe. The results could not have been clearer. Within months, the ceramic-lined piping had holed out and failed, while the Slurryflex CLX is still in place after two years. That’s more than 5x the wear life. It’s a big win for the supervisor and his team. He’s reduced costly downtime and put an end to constant bandaging and leaking pipes. #mining #reliability #piping

May Conveyor: Elevating Efficiency with Metal Fabrication in Conveyor Systems Metal fabrication stands as the backbone of modern manufacturing, transforming raw metal into intricate components vital for various industries. As highlighted in "Metal Fabrication And Conveyor Systems" on LinkedIn, this process demands expertise and cutting-edge machinery, two qualities synonymous with trusted engineering firms. Material handling, a cornerstone of manufacturing across sectors like steel, mining, cement, and construction, heavily relies on metal fabrication. This synergy is most evident in the production of material handling equipment, where conveyor systems reign supreme. Read more: https://lnkd.in/ePF-bUUp

Ever wondered how pipe spools are measured? Check out this short video from Irwin Engineering Solutions and see how precision measurement and CNC cutting ensure perfection. With people around the world ready to visit your vessel, take measurements, and send the information to the factory, your pipes will be ready to ship in no time. Watch the video here: https://lnkd.in/dNYYbTQy #engineering #manufacturing #precisionmeasurement #CNCcutting #globalpresence #Irwinrotationallining

Importance of the Valve Seat in a Mud Pump In normal situations, the valve seat in a mud pump plays a pivotal role in ensuring the efficient movement of drilling mud within the oil and gas industry. Its primary function is to form a tight seal with the valve, thereby controlling the flow of the slurry or drilling mud. Operation of valve seat: Directional Control: The valve seat works in tandem with the valve to regulate the flow direction of the slurry. When the valve is seated, it prevents backflow, ensuring the slurry moves in one consistent direction. Pressure Regulation: In oil and gas operations, the drilling mud or slurry often needs to be pumped under high pressure. The valve seat aids in maintaining this pressure, ensuring the fluid moves efficiently even in deep drilling operations. Preventing Wear and Tear: Drilling mud contains abrasive particles. The continuous flow of this slurry can cause wear and tear on pump parts. A well-functioning valve seat minimizes the abrasive contact, reducing wear on other parts of the pump. Materials, benefits and properties of valve and seat: The choice of material for the valve seat is crucial because it needs to withstand the abrasive nature of the slurry and maintain a tight seal under high pressure. Wear Resistance: Materials like tungsten carbide or specialized alloys are often used because they are incredibly resistant to abrasion. This ensures the valve seat lasts longer, even in the rigorous environment of slurry pumping. Corrosion Resistance: The slurry or drilling mud can sometimes be chemically reactive. Hence, materials that resist corrosion, such as stainless steel or certain ceramic materials, are preferred. Elasticity and Seal: Rubber or specialized elastomers can be used, especially in areas requiring a tight seal. They provide the necessary elasticity to ensure the valve seats perfectly every time, preventing leaks. Heat Resistance: Deep drilling can generate heat. Materials that can withstand high temperatures without degrading are essential to ensure the longevity of the valve seat. Cost-Effective: While the material needs to be durable, it also needs to be cost-effective. The right balance ensures that the pump operates efficiently without incurring high replacement costs. #drilling #rig #mudpump #liner #drillingrig #oilfield #oilwell #waterwell #equipment #vendor #supplier #oilrig #hopps #China #manufacturer #factory #pump #petroleum #oil #gas #valve #piston #cementing #nov #gardnerdenver #bomco #drillmec #weatherford #ideco #spm #emsco #Halliburton #Schlumberger #BakerHughes #API

Hevvy Pumps- We only make slurry pumps. A major mining company approached Hevvy/Toyo to look at a very aggressive pumping application. The low-cost pumps they were using were supposed to be saving money, but the short MTBF meant that they were spending much more on parts and labour to rebuild.   Hevvy/Toyo’s team recommended the submersible pump HNS not only because of its ability to pump a 7” rock and high concentrations of solids, but also due to its patented pressurized sealing system which helps eliminate seal failure - the number one failure in submersible pumps. Hevvy’s HNS has been able to run up to 4,800 hours MTBF in this tough application where competing pumps could barely reach 1,200 hours.   To learn more about Hevvy/Toyo’s HNS submersible slurry pump visit hevvypumps.com.   #pumping #slurry #pumps #reliabilityengineering #mining #miningequipment #industrialequipment #goldmining #OEM