• Corporate vision to become the pipeline industry Toyota
  • Corporate mission to enhance the quality level of Chinese manufacturing
  • Business goals domestic industry first
180 Degree Elbow(return elbow)

180 Degree Elbow(return elbow)

  • Introduction:Haihao Group can manufacture 45° ,90°,180° elbows,long radius or short radius elbows etc.
  • Email:sales@haihaopipe.com

180 Degree Elbow

pipe elbow is one kind of pipe fittings which can change the liquid or gas flowing direction in a piping system. It is mainly used to connect two pipes,sometimes called a “quarter bend”.

180 Degree Elbow

180 Degree Elbow


180 degree elbow is like 45 or 90 degree elbow, but the flow direction change is 180 degree .It looks like the flow fluid get back to the same direction from the joint. The shape is like two 90 degree elbows welded together. It is also called “U bend” or “return bend”.

180 Degree Elbow

180 Degree Elbow

With the pipe connection mode: direct welding (way) of the most commonly used flange connection, hot melt connection, fused connection, threaded connection and socket type connection, etc.

According to the production process can be divided into: welding bend, stamping elbow, pushing system bend, casting bend, butt welding elbow and so on.


The 180 degree elbow could be the long radius or short radius , both are used a lot in the industry application .

180 Degree Elbow
Size seamless steel elbow:

1/2″-30″ DN15-DN900

Welded elbow:

4″-72″ DN100-DN1800

Schedule/ Wall Thinkness

sch5s,sch10s,sch10, sch20, sch30, std, sch40, sch60, xs, sch80, sch100,

sch120, sch140, sch160, xxs, SGP

Standard ASME/ANSI B16.28,B16.9, MSS-SP-75, DIN 2605, EN 10253-2 , JIS B2311,GOST 17375,ISO3419
Material Carbon steel:

ASTM A234 WPB, S235,P235GH,ST35.8,ST37,SS400,ST20,C20,Q235

Alloy steel:

ASTM/ASME A234 WP 1-WP 12-WP 11-WP 22-WP 5-WP91-WP9,

Stainless steel:

ASTM/ASME A403 WP 304-304L-304H-304LN-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:


High performance carbon steel:


Thickness 2mm-80mm
Package Wooden Case, Plywood Pallet ,or can be in accordance with the requirement of the customers special packaging.

Haihao pipe fitting factory would produce and supply the high quality elbows as per clients’ requirement.

We sincerely welcome customers domestic and abroad to visit us for cooperation and development.