Pipe flanges are manufactured in all the different materials like stainless steel, cast iron, aluminium, brass, bronze, plastic etc. 

but the most used material is forged carbon steel and have machined surfaces.

In addition, flanges, like fittings and pipes, for specific purposes sometimes internally equipped with layers of materials of a completely different quality as the flanges themselves, which are “lined flanges”.The material of a flange, is basically set during the choice of the pipe, in most cases, a flange is of the same material as the pipe.All flanges, discussed on this website fall under the ASME en ASTM standards, unless otherwise indicated. ASME B16.5 describes dimensions, dimensional tolerances etc. and ASTM the different material qualities.

Specification

1.size : 1/2“NB to 48“

2.Class in flanges(LBS) : 150# ,300#, 600# , 900#, 1500#, 2500#

3.Type of flange :slip on flange, weld neck flange, plate flange, threaded flange, socket weld flange, lap joint flange , slip on flange, blind flange

4.material : stainless steel , carbon steel ,alloy steel

5.usages:Stainless Steel, Carbon steel, alloy steel and high nickel steel flanges are widely used in various industries including Petro chemical , water treatment plants, marine ,oil and gas , transporation ,sugar manufacturing , power generation, refineries, waste water treatment plants, marine and pharmaceuticals plants among others.

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