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ASME B16.9 180 Degree Painted steel pipe fittings Elbow

According to its radius of curvature, there are long radius elbow and short radius elbow. Long radius elbow refers to its radius of curvature is equal to 1.5 times the outside diameter of the pipe, that is, R=1.5D; A short radius elbow means that its radius of curvature is equal to the outer diameter of the pipe, that is, R= 1.0d.(D is the diameter of the elbow, and R is the radius of curvature).

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The ASME/ANSI B16.9 specification covers the dimensions and the tolerances of carbon, alloy and stainless-steel butt weld fittings.

The ASME B16.9 standard covers all dimensions, tolerances, ratings, testing, and marking for factory-made. butt-welding fittings range size is 1/2’’-80’’/DN15-2000

Butt Weld Fittings include elbows, tees, cross, caps and reduces. These fittings are the most common type of welded pipe fitting and are specified by nominal pipe size and pipe schedule. Buttweld fittings are manufacture by seamless or welded pipe and are formed to get the shape of elbows, tees and cross etc.

Butt weld fittings are manufacture by seamless or welded pipe. For pipe fittings manufacturers, the forming process of welded pipe and seamless pipe is basically same. Butt welded fittings can be divided into carbon steel butt welded fittings and stainless-steel butt-welded fittings.

 

Butt Welding Fittings Specification
Shape Elbow, Tee, Cross, Bend, Reducer, Cap, Stub End
Size Range 1/2″ – 80″ / DN15 – 2000
Thickness Schedule SCH 10,SCH 10S, SCH 20, SCH 40,SCH 40S, STD, XS,SCH 80, SCH 80S, SCH 100, SCH 120, SCH 160, XXS
China Standard GB/T12459, GB/T13401, HG/T21635/21631, SH3408/3409
America Standard ANSI / ASME B16.9 / MSS SP 43
apan Standard JIS B2311/2312/2313
Europe Standard EN10253
Carbon Steel Q235, 20#, 35#, 45#, 20G,ASTM A234 WPB/WPC
Low Temp Carbon Steel Q345B, 16Mn, ASTM A420 WPL6
Pipeline Steel ASTM A860 WPHY 42 / 46 / 56 / 60 / 65
Alloy Steel ASTM A234 WP11 / WP12 / WP 5 / WP9 / WP91 / WP92,15CrMoG, 12Cr1MoVG, 12Cr5Mo, 1Cr5Mo, Cr9Mo, 10CrMo910, 12CrMo4-5
Stainless Steel ASTM A403 WP304/304L/304H, 316/316L, 310S, 321, 317,347,904L
Duplex Stainless Steel ASTM A815 S32205, S31803, 32750, 32760

 

Elbow is a pipe fitting that changes the direction of piping. According to the Angle, there are 45° and 90°180° three most commonly used. Elbow material can be divided into carbon steel, alloy steel and stainless-steel.

According to the production method, it can be divided into pushing, pressing, forging, casting, etc.

According to its radius of curvature, there are long radius elbow and short radius elbow. Long radius elbow refers to its radius of curvature is equal to 1.5 times the outside diameter of the pipe, that is, R=1.5D; A short radius elbow means that its radius of curvature is equal to the outer diameter of the pipe, that is, R= 1.0d.(D is the diameter of the elbow, and R is the radius of curvature).

 

Steel Pipe Fittings Elbow Specification

 

Buttle Weld Elbow drawing and dimension

 

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