What is the difference between carbon steel flanges and stainless steel flanges?
Release time:
2021-06-02
A flange is a disc-shaped component that is commonly used in piping engineering. Flanges are always used in pairs. In piping engineering, flanges are mainly used for connecting pipes. For pipes that need to be connected, a flange plate is installed. Low-pressure pipes can use threaded flanges, while welded flanges are used for pressures above 4 kg. A sealing gasket is added between the two flange plates and then fastened with bolts. Flanges of different pressures have different thicknesses and use different bolts.
A flange is a disc-shaped part that is commonly used in pipeline engineering. Flanges are always used in pairs. In pipeline engineering, flanges are mainly used for connecting pipes. For pipes that need to be connected, a flange plate is installed. Low-pressure pipes can use threaded flanges, while welded flanges are used for pressures above 4 kg. A sealing gasket is added between the two flange plates, which are then fastened with bolts. Flanges of different pressures have different thicknesses and use different bolts.
Main functions of flanges: 1. Connect pipelines and maintain the sealing performance of the pipelines; 2. Facilitate the replacement of a section of the pipeline; 3. Facilitate disassembly to inspect the condition of the pipeline; 4. Facilitate the closure of a section of the pipeline.
Stainless steel flange: A flange (Flange) is also called a flange plate or rim. A flange is a part that connects pipes to each other, connected at the pipe ends. The flange has holes, and bolts tightly connect the two flanges. Gaskets are used for sealing between flanges. Flanges are divided into threaded connection (screw connection) flanges and welded flanges.
Carbon steel is steel that does not have alloy elements added specifically, while stainless steel is steel that has a high alloy content added to prevent rust. Stainless steel is much more expensive than carbon steel. These two types of steel have different applications and cannot be compared in terms of quality. Carbon steel usually has higher strength than stainless steel but is prone to rust. Common classifications of carbon steel include hot-rolled, cold-rolled, galvanized, silicon steel, rebar, wire rod, and channel steel; the main categories of stainless steel include series 200, 300, 400, 500, 600, and 900.
The difference between carbon steel flanges and stainless steel flanges lies in the addition of alloy elements such as nickel, chromium, molybdenum, titanium, and niobium in stainless steel flanges. Additionally, not all stainless steel flanges are rust-proof; they can only resist rust or prolong rusting time under the conditions allowed for various stainless steel materials.
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