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Company Name: Shanxi Anbao Forging Co., Ltd.
2024-09-27
What are the reasons for flange rusting and failure of rust prevention? What should be noted for flange rust prevention?
The grease and dirt on the surface and gaps of the flange connection are difficult to remove, and the quality of rust removal is hard to meet the requirements for anti-rust coating. Therefore, when applying anti-rust oil to the flange connections, it is easy to result in poor anti-rust effectiveness.
2024-06-19
The difference between necked butt-weld flanges and necked slip-on flanges.
In order to enhance road traffic capacity and ensure vehicle safety, the Comprehensive Administrative Law Enforcement Team of the Transportation Department of Jiayuguan City has recently conducted a special rectification activity targeting illegal establishment of at-grade crossings on the roads under its jurisdiction, in conjunction with a special campaign to address prominent issues in the field of transportation law enforcement in our city.
Basic Introduction and Uses of Flanges
Flange joints are a type of component that is extremely common and widely used in engineering design. They are essential parts in piping design, fittings, and valves, and are also necessary components in equipment and equipment parts (such as manholes, sight glasses, liquid level gauges, etc.). Additionally, other fields such as industrial furnaces, thermal engineering, water supply and drainage, heating and ventilation, and automation also frequently use flange joints.
Comparison of Stainless Steel and Carbon Steel Flanges
When using welding rods, they should be kept dry. Titanium-calcium type rods should be dried at 150°C for 1 hour, while low-hydrogen type rods should be dried at 200-250°C for 1 hour (repeated drying should be avoided, as it can cause the coating to crack and peel off). This prevents the welding rod coating from sticking to oil and other contaminants, which could increase the carbon content in the weld seam and affect the quality of the welded parts. During the welding of flange pipe fittings, repeated heating can lead to the separation of carbides, reducing corrosion resistance and mechanical properties. The hardenability of chromium flange pipe fittings after welding is significant, making them prone to cracking. If using the same type of chromium stainless steel welding rod (GG207) for welding.
What are the common materials and properties of shaft-type forgings?
Gear shaft manufacturers remind: The material of gear shaft forgings must first meet the requirements of working conditions. The requirements of working conditions are the factors that should be considered first when selecting materials for gear forgings. Alloy steel is commonly used for making gear forgings that operate under high speed, heavy load, and impact loads, such as gears used in aircraft, which must meet the requirements of low weight, high power transmission, and high reliability. Therefore, high-performance alloy steel must be selected. If the gear size needs to be as small as possible, high-strength alloy steel with surface hardening treatment should be used. In mining machinery, gear transmissions generally have high power, low working speed, and high dust content in the surrounding environment, so materials like cast steel or cast iron are often chosen. For household and office machinery, the power is very low, but it requires smooth transmission, low noise or no noise, and the ability to operate normally under low lubrication or no lubrication conditions. Therefore, engineering plastics are often selected as gear materials.