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Short radius elbow

Short radius elbow

Short radius elbow

 

Short radius elbow

Short radius elbow is the elbow which the radius of curvature is one time the diameter of the pipe; also called 1D. The radius of curvature is equal to one time the diameter of the pipe. It is usually 90 °. Intuitively, it seems that the short radius elbow is much shorter than the length of the radius; elbow bend radius is very short. Long radius elbow is the most commonly used; usually the default radius is also long radius elbow, and high pressure or high flow rate where will be used long radius elbow too. If it is a solid pipeline with demanding resistance requirements, it uses a larger radius elbow. Generally, short radius elbow is used in a low pressure fluid or a limited place.

 

Materials:

Carbon steel: ASTM/ASME A234 WPB、A234WPC

Alloy steel: ASTM/ASME A234 WP1-A234WP12-A234WP11-A234WP22-A234WP5-A234WP91

Stainless steel: ASTM/ASME A403 304-304L-304H-304L-304N

ASTM/ASME A403 WP 316-316L-316H-316LN-316N-316Ti

ASTM/ASME A403 WP 321-321H ASTM/ASME A403 WP 347-347H

Low-temperature steel:ASTM/ASME A402 WPL 3-WPL6

High performance: ASTM/ASME A860 WPHY 42-WPHY46-WPHY52-WPHY60-WPHY65-WPHY70

 

Standard:

GB12459-2005 Steel butt-welding seamless pipe fittings

GB/T13401 Steel plate butt-welding pipe fittings

GB/T14383 Forged steel socket-welding pipe fittings

GB/T10752-1995 Steel pipe butt-welding joints for ship

GB/T17185-1995 Steel pipe fittings for flanged joint

 

Oil pipe standard of execution standard

Standard number description

SY/T0510-1998 Steel butt-welding pipe fittings

SY/T5257-2004 Steel bends

 

02S403 Steel pipe fittings national building standards

Standard number description

JIS B2311 Universal steel butt-welding pipe fittings

JIS B2312 Steel butt-welding pipe fittings

JIS B2313 steel plate butt-welding pipe fittings

JIS B2316 Steel socket-welding pipe fittings

 

American standard of fittings standard

Standard number description

ASME / ANSI B16.9 Factory-made wrought steel buttwelding fittings

ASME / ANSI B16.11 Forged fittings socket-welding and threaded

ASME / ANSI B16.28 Steel buttwelding short radius elbows and returns

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