All you need to know about Butt Weld Fittings

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All you need to know about Butt Weld Fittings

Butt Weld Pipe Fittings are required to change direction and connect to all of the equipment and devices required to make them function. Trupply carries wide range of butt weld fittings including stainless steel fittings, carbon steel fittings, high yield fittings and nickel alloy fitting. Buttweld fittings corresponds to ASME / ANSI B16.9 standard (Factory-Made Wrought Steel Buttwelding Fittings).

Trupply carries Butt Weld Fittings in Carbon Steel & Stainless Steel for convenient online shopping. Cut your time to quote your customer by looking up our online prices.

Here are some of the commonly asked questions customers have about BW Fittings;

  • Buttweld fittings are specified in pipe schedules. When ordering, you must specify Sch 40, Sch 80 etc. REMEMBER, for 12 inch and bigger nominal pipe sizes, Sch 40 and Sch 80 do NOT corresponds to Std and XH respectively. Usually BW fittings are classified as Std or XH. However 12 inch and bigger, if you are requesting Sch 40, you must specify if you want true 40 or just requesting std wall. Must be confusing. Download our pipe chart.
  • Butt Weld fittings do NOT come in 150#, 300# or 3000# pressure class. Those are designation for malleable iron and forged threaded fittings.
  • Most common material for carbon steel butt weld fitting is A234 WPB
  • Stainless Steel Fittings comes in 304 and 316 stainless.
  • BW Fittings conforms to ANSI B16.9 standard. Download our BW Dimension Table.
  • BW Fittings do NOT come in A105 or A106 material.
  • For bigger fittings, always specify if you need seamless or welded fitting. Seamless BW fitting cost is much higher compared to welded fitting for larger sizes.

Butt Weld Fitting is an excellent choice to connect equipment and change direction of flow for bigger pipe sizes. Socket Weld Fitting and Threaded Fittings are not common above 4 inch nominal. BW Fittings are also very cost effective in bigger sizes, when compared to other connection options (SW or Threaded). These fittings are key to many pipeline projects. Stainless fittings are used extensively in food industry and sanitation industry, Whereas nickel alloy Butt welding fittings are more common in petrochemical and process industry.

Trupply also carries BW Fittings in high yield. Download our brochure here.

Watch our short video to learn more about BW Fittings.

 

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  • Asif Ehtesham
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