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Reducing elbow

Reducing elbow

reducing elbow


Reducing elbow

The role of reducing elbow role is making the pipe diameter changing, when it changes 90 degree turn. And the effect of the reducing elbow is the same as the reducer, but the reducer can’t be used to steering. The price is twice higher than the equal diameter elbow. In some construction site, welding an elbow and a reducer together replaces such products. Its materials are carbon steel, stainless steel, alloy steel, and cast steel etc. The most common standards are the national standard GB/T12459-2005 and GB/T13401-2005. The main origin is in Cangzhou City, Hebei Province.



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



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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