The usual materials of flanges include stainless steel, carbon steel, aluminum and plastic.
The choice of the material largely depends on the purpose of the flange. For example, stainless steel is more durable and is necessary for heavy use.
Stainless Steel Flange Raw Material
On the other hand, plastic is more feasible for use in the home because of its reasonable price and easy installation. The materials used for flanges are under the designation of the American Society of Mechanical Engineers.
Alloy Steel Flange Raw Material
Requirements are valid for normal situation, in special you have to contact us to introduce.
Long Weld Neck Flange
The Long Weld Neck Flanges are the best designed butt-welded flange of those currently available becuase of its inherent structural value. It is expensive because of the design.
Details of Socket Weld Flange
1. Socket Weld flange 2. Filled weld 3. Pipe X = Expansion gap
Their static strength is equal to Slip On flanges, but their fatigue strength 50% greater than double-welded Slip On flanges.
Long Weld Neck Flanges
Long welding neck flange, lwn flanges are similar to a standard Welding Neck flanges, but the “Neck” is considerably longer than other flanges. LWN flange is often used as a nozzle for a barrel or column. In addition, there are the type LWN Heavy Barrel (HB) and the Equal LWN Barrel (E); they have a different shape and a thicker “Wall”.
Tube OD sizes: 3/8 to 2 inches
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