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Carbon Steel Buttweld

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  • Carbon Steel Buttweld Elbows conform to ASTM A234.
  • Stocked in sizes from 3/4" to 18".
  • Many sizes of Carbon Steel Buttweld Elbows are available in domestic and imported versions.

Three different sizes of Carbon Steel Buttweld Elbows

Click for Long Radius vs Short Radius

Click for STD vs XH vs XXH

Sizes are Nominal Pipe Size (NPS) - size chart
Two different Carbon Steel Buttweld Elbows.

To start, select size. Follow the green box to refine selections as desired. Click “Lookup Product” any time after selecting size to display products matching criteria entered so far. Fields autofill when only one choice. Or use search box above.


Schedule refers to the pipe thickness on which this fitting is to be used, typically values are STD (standard), S/10 (Schedule 10) and XH (extra heavy). These thickness vary with the diameter of the pipe according to published standards.


Domestic = Made in the USA

Import = Made anywhere else


Long Radius = radius is 1.5 times pipe diameter.

Short Radius = radius is the same as the pipe diameter.

Street 90 = female threads one end, male threads the other.