• Corporate vision to become the pipeline industry Toyota
  • Corporate mission to enhance the quality level of Chinese manufacturing
  • Business goals domestic industry first
Long Radius Elbow(LR Elbow)

Long Radius Elbow(LR Elbow)

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

Long Radius Elbow(LR Elbow)

Long radius elbow refers to the curvature of the bend radius is 1.5 times the diameter of the pipe; If more than 1.5 times, is the category of bend.

Long Radius Elbow-Haihao Group

Long Radius Elbow-Haihao Group

Short radius elbow refers to the radius of curvature is equal to the diameter of the pipe bend, is often said that 1 times. D mean to elbow diameter.

Long Radius Elbow-Haihao Group

Long Radius Elbow-Haihao Group

Long radius is the most commonly used, generally the default also long radius, high pressure or high velocity it USES long radius, if it is solid conveying pipelines is demanding the larger the radius of the elbow.

Short radius is generally used in low pressure fluid or bend with limit of the installation place. If there are no restrictions or specified in the contract without first choose long radius elbow.

Long Radius Elbow-Haihao Group

Long Radius Elbow-Haihao Group

Using range: wastewater treatment, chemical, thermal, pharmaceutical, aerospace, electric power, papermaking, etc.

Long Radius Elbow(LR 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.