Skip to Content

Integraflow Store 

  1. Products
  2. Mild Steel
  3. Nominal Bore
  4. Fittings
  5. Buttweld

Buttweld

Carbon Steel Butt-Weld Fittings – ANSI/ASME B16.9

Integraflow supplies carbon steel butt-weld fittings to ANSI/ASME B16.9, manufactured from ASTM A234 WPBmaterial in sizes from ½” to 36” (15mm to 900mm), available in Schedule 20, 40, 80, 160 as well as Standard Weight (STD WT), Extra Strong (XS), and Double Extra Strong (XXS) wall thicknesses for use in high-performance pipeline systems.

List 600
Sort By: Name (A-Z)

Buttweld

DN80 (3" NB) SCHEDULE 80 / XS A234 WPB EQUAL TEE
Outside Diameter (OD): 88.9mm
Wall Thickness: 7.62mm
Centre to End: 85.7mm
Schedule: XS
Weight: 4.29kg

Material: Mild Steel
Material Grade: ASTM A234 WPB
Finish: Black Varnished (Self Colour or Shotblasting on request)
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative Terminology: Buttweld Tee, Equal Tee, LR, Welding Tee, Weldable
£ 67.76 67.76 GBP
DN80 (3" NB) SCHEDULE 80 / XS A234 WPB LONG RADIUS 45 DEG ELBOW
Outside Diameter (OD): 88.9mm
Wall Thickness: 7.62mm
Centre to Face: 50.8mm
Schedule: XS
Weight: 1.45kg

Material: Mild Steel
Material Grade: ASTM A234 WPB
Finish: Black Varnished (Self Colour or Shotblasting on request)
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative Terminology: Buttweld Elbow, Long Radius, 45°, LR, Bend, Weldable
£ 19.88 19.88 GBP
DN80 (3" NB) SCHEDULE 80 / XS A234 WPB LONG RADIUS 90 DEG ELBOW
Outside Diameter (OD): 88.9mm
Wall Thickness: 7.62mm
Centre to Face: 114.3mm
Schedule: XS
Weight: 2.86kg

Material: Mild Steel
Material Grade: ASTM A234 WPB
Finish: Black Varnished (Self Colour or Shotblasting on request)
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative Terminology: Buttweld Elbow, Long Radius, 90°, LR, Bend, Weldable
£ 32.41 32.41 GBP
DN80 (3" NB) SCHEDULE 80 / XS A234 WPB SHORT RADIUS 90 DEG ELBOW
Outside Diameter (OD): 88.9mm
Wall Thickness: 7.62mm
Centre to Face: 76.2mm
Schedule: XS
Weight: 1.83kg

Material: Mild Steel
Material Grade: ASTM A234 WPB
Finish: Black Varnished (Self Colour or Shotblasting on request)
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative Terminology: Buttweld Elbow, Short Radius, 90°, SR, Bend, Weldable
£ 28.07 28.07 GBP
DN80 X DN32 (3" X 1.1/4" NB) SCHEDULE 40 / STD A234 WPB CONCENTRIC REDUCER
Outside Diameter (OD): 89 X 42mm
Wall Thickness: 5.49 X 3.56mm
Length: 89mm
£ 24.50 24.5 GBP
DN80 X DN40 (3" X 1.1/2" NB) SCHEDULE 40 / STD A234 WPB CONCENTRIC REDUCER
Outside Diameter (OD): 89 X 48mm
Wall Thickness: 5.49 X 3.68mm
Length: 89mm
£ 18.41 18.41 GBP
DN80 X DN50 (3" X 2" NB) SCHEDULE 40 / STD A234 WPB CONCENTRIC REDUCER
Outside Diameter (OD): 89 X 60mm
Wall Thickness: 5.49 X 3.91mm
Length: 89mm
£ 15.96 15.96 GBP
DN80 X DN65 (3" X 2.1/2" NB) SCHEDULE 40 / STD A234 WPB CONCENTRIC REDUCER
Outside Diameter (OD): 89 X 73mm
Wall Thickness: 5.49 X 5.16mm
Length: 89mm
£ 14.28 14.28 GBP
DN80 x 40 (3" X 1.1/2" NB) SCHEDULE 40/STD A234 WPB CONCENTRIC REDUCER
Side One suits an outside diameter (OD) of: 88.9mm
Side One wall thickness (WT): 5.48mm

Side Two suits an outside diameter (OD) of: 48.3mm
Side Two wall thickness (WT): 3.68mm

Material: Carbon Steel
Grade: A234 WPB
Standards: ASME B16.9
Reduction style: Concentric
Construction: Seamless
Overall Length: 89mm
Ends: Buttweld
Certification Available: 3.1 BS EN 10204 Material Certification


Applications:
Water, Oil & Gas / Petrochem, Steam, Fuels, Condensate, HVAC, Marine, Water & Waste Water, Mining, Construction, Power Generation (Energy), Waste to Energy (ERF)

Alternative terminology:
Butt Weld, Con Reducer, Conred, Concentric
Contact us for pricing 0.0 GBP
DN80 x 40 (3" X 1.1/2" NB) SCHEDULE 40/STD A234 WPB CONCENTRIC REDUCER (EU ORIGIN)
Side One suits an outside diameter (OD) of: 88.9mm
Side One wall thickness (WT): 5.48mm

Side Two suits an outside diameter (OD) of: 48.3mm
Side Two wall thickness (WT): 3.68mm

Material: Carbon Steel
Grade: A234 WPB
Standards: ASME B16.9
Reduction style: Concentric
Construction: Seamless
Overall Length: 89mm
Ends: Buttweld
Certification Available: 3.1 BS EN 10204 Material Certification
Origin: European (EU)


Applications:
Water, Oil & Gas / Petrochem, Steam, Fuels, Condensate, HVAC, Marine, Water & Waste Water, Mining, Construction, Power Generation (Energy), Waste to Energy (ERF)

Alternative terminology:
Butt Weld, Con Reducer, Conred, Concentric
£ 60.90 60.9 GBP
DN80 x 65 (3" X 2.1/2" NB) SCHEDULE 40/STD A234 WPB CONCENTRIC REDUCER
Side One suits an outside diameter (OD) of: 88.9mm
Side One wall thickness (WT): 5.48mm

Side Two suits an outside diameter (OD) of: 73mm
Side Two wall thickness (WT): 5.16mm

Material: Carbon Steel
Grade: A234 WPB
Standards: ASME B16.9
Reduction style: Concentric
Construction: Seamless
Overall Length: 89mm
Ends: Buttweld
Certification Available: 3.1 BS EN 10204 Material Certification


Applications:
Water, Oil & Gas / Petrochem, Steam, Fuels, Condensate, HVAC, Marine, Water & Waste Water, Mining, Construction, Power Generation (Energy), Waste to Energy (ERF)

Alternative terminology:
Butt Weld, Con Reducer, Conred, Concentric
£ 16.80 16.8 GBP
DN80 x DN50 (3 x 2" NB) SCHEDULE 40 / STD A234 WPB REDUCING TEE
Outside Diameter (OD): 89 x 60mm
Wall Thickness (Run x Branch): 5.49 x 3.91mm
Centre to End (Run): 86mm
Centre to End (Branch): 76mm
Schedule: STD
Weight: 3.75kg

Material: Mild Steel
Material Grade: ASTM A234 WPB
Finish: Black Varnished (Self Colour or Shotblasting on request)
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative Terminology: Buttweld Tee, Reducing Tee, LR, Welding Tee, Weldable
Contact us for pricing 0.0 GBP
DN80 x DN50 (3 x 2" NB) SCHEDULE 80 / XS A234 WPB REDUCING TEE
Outside Diameter (OD): 89 x 60mm
Wall Thickness (Run x Branch): 7.62 x 5.54mm
Centre to End (Run): 86mm
Centre to End (Branch): 76mm
Schedule: XS
Weight: 4.29kg

Material: Mild Steel
Material Grade: ASTM A234 WPB
Finish: Black Varnished (Self Colour or Shotblasting on request)
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative Terminology: Buttweld Tee, Reducing Tee, LR, Welding Tee, Weldable
Contact us for pricing 0.0 GBP
DN90 (3.1/2" NB) SCHEDULE 40/STD A234 WPB LONG RADIUS ELBOW 45°
Outside Diameter (OD): 101.6mm
Wall Thickness (WT): 5.74mm
Material: Carbon Steel
Grade: A234 WPB
Standards: ANSI B16.9
Radius Centre to Face: 57.2mm
Angle: 45 Degree
Ends: Buttweld
Construction: Seamless
Certification Available: 3.1 BS EN 10204 Material Certification

Applications:
Water, Oil & Gas / Petrochem, Steam, Fuels, Condensate, HVAC, Marine, Water & Waste Water, Mining, Construction, Power Generation (Energy), Waste to Energy (ERF)

Alternative terminology:
Weld Bends, Weld Elbow, 45° / 45 deg
£ 22.12 22.12 GBP
DN90 (3½" NB) SCHEDULE 40 / STD A234 WPB EQUAL TEE
Outside Diameter (OD): 101.6mm
Wall Thickness: 5.74mm
Centre to End: 95.3mm
Schedule: STD
Weight: 4.82kg

Material: Mild Steel
Material Grade: ASTM A234 WPB
Finish: Black Varnished (Self Colour or Shotblasting on request)
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative Terminology: Buttweld Tee, Equal Tee, LR, Welding Tee, Weldable
Contact us for pricing 0.0 GBP
DN90 (3½" NB) SCHEDULE 80 / XS A234 WPB EQUAL TEE
Outside Diameter (OD): 101.6mm
Wall Thickness: 8.08mm
Centre to End: 95.3mm
Schedule: XS
Weight: 5.72kg

Material: Mild Steel
Material Grade: ASTM A234 WPB
Finish: Black Varnished (Self Colour or Shotblasting on request)
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative Terminology: Buttweld Tee, Equal Tee, LR, Welding Tee, Weldable
Contact us for pricing 0.0 GBP
DN90 X DN40 (3.1/2" X 1.1/2" NB) SCHEDULE 40 / STD A234 WPB CONCENTRIC REDUCER
Outside Diameter (OD): 102 X 48mm
Wall Thickness: 5.74 X 3.68mm
Length: 102mm
Contact us for pricing 0.0 GBP
DN90 X DN50 (3.1/2" X 2" NB) SCHEDULE 40 / STD A234 WPB CONCENTRIC REDUCER
Outside Diameter (OD): 102 X 60mm
Wall Thickness: 5.74 X 3.91mm
Length: 102mm
Contact us for pricing 0.0 GBP
DN90 X DN65 (3.1/2" X 2.1/2" NB) SCHEDULE 40 / STD A234 WPB CONCENTRIC REDUCER
Outside Diameter (OD): 102 X 73mm
Wall Thickness: 5.74 X 5.16mm
Length: 102mm
Contact us for pricing 0.0 GBP
DN90 X DN80 (3.1/2" X 3" NB) SCHEDULE 40 / STD A234 WPB CONCENTRIC REDUCER
Outside Diameter (OD): 102 X 89mm
Wall Thickness: 5.74 X 5.49mm
Length: 102mm
Contact us for pricing 0.0 GBP
DN100 (4" NB) SCHEDULE 40 / STD A234 WPB CAP
Outside Diameter (OD): 114.3mm
Wall Thickness: 6.02mm
Length: 104.8mm
Schedule: STD
Weight: 1.16kg

Material: Mild Steel
Material Grade: ASTM A234 WPB
Finish: Black Varnished (Self Colour or Shotblasting on request)
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative Terminology: Buttweld Cap, End Cap, Cap End, Weldable Cap
Contact us for pricing 0.0 GBP
DN100 (4" NB) SCHEDULE 40 / STD A234 WPB EQUAL TEE
Outside Diameter (OD): 114.3mm
Wall Thickness: 6.02mm
Centre to End: 104.8mm
Schedule: STD
Weight: 5.72kg

Material: Mild Steel
Material Grade: ASTM A234 WPB
Finish: Black Varnished (Self Colour or Shotblasting on request)
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative Terminology: Buttweld Tee, Equal Tee, LR, Welding Tee, Weldable
£ 69.16 69.16 GBP
DN100 (4" NB) SCHEDULE 40 / STD A234 WPB LONG RADIUS 45 DEG ELBOW
Outside Diameter (OD): 114.3mm
Wall Thickness: 6.02mm
Centre to Face: 63.5mm
Schedule: STD
Weight: 2.1kg

Material: Mild Steel
Material Grade: ASTM A234 WPB
Finish: Black Varnished (Self Colour or Shotblasting on request)
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative Terminology: Buttweld Elbow, Long Radius, 45°, LR, Bend, Weldable
£ 27.65 27.65 GBP
DN100 (4" NB) SCHEDULE 40 / STD A234 WPB SHORT RADIUS 90 DEG ELBOW
Outside Diameter (OD): 114.3mm
Wall Thickness: 6.02mm
Centre to Face: 101.6mm
Schedule: STD
Weight: 2.62kg

Material: Mild Steel
Material Grade: ASTM A234 WPB
Finish: Black Varnished (Self Colour or Shotblasting on request)
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative Terminology: Buttweld Elbow, Short Radius, 90°, SR, Bend, Weldable
£ 38.71 38.71 GBP
DN100 (4" NB) SCHEDULE 40/ STD A234 WPB LONG RADIUS 90 DEG ELBOW
Outside Diameter (OD): 114.3mm
Wall Thickness: 6.02mm
Centre to Face: 152.4mm
Schedule: STD
Weight: 4.2kg

Material: Mild Steel
Material Grade: ASTM A234 WPB
Finish: Black Varnished (Self Colour or Shotblasting on request)
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative Terminology: Buttweld Elbow, Long Radius, 90°, LR, Bend, Weldable
£ 39.27 39.27 GBP
DN100 (4" NB) SCHEDULE 80 / XS A234 WPB CAP
Outside Diameter (OD): 114.3mm
Wall Thickness: 8.56mm
Length: 104.8mm
Schedule: XS
Weight: 1.55kg

Material: Mild Steel
Material Grade: ASTM A234 WPB
Finish: Black Varnished (Self Colour or Shotblasting on request)
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative Terminology: Buttweld Cap, End Cap, Cap End, Weldable Cap
Contact us for pricing 0.0 GBP
DN100 (4" NB) SCHEDULE 80 / XS A234 WPB EQUAL TEE
Outside Diameter (OD): 114.3mm
Wall Thickness: 8.56mm
Centre to End: 104.8mm
Schedule: XS
Weight: 7.44kg

Material: Mild Steel
Material Grade: ASTM A234 WPB
Finish: Black Varnished (Self Colour or Shotblasting on request)
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative Terminology: Buttweld Tee, Equal Tee, LR, Welding Tee, Weldable
£ 113.26 113.26 GBP
DN100 (4" NB) SCHEDULE 80 / XS A234 WPB LONG RADIUS 45 DEG ELBOW
Outside Diameter (OD): 114.3mm
Wall Thickness: 8.56mm
Centre to Face: 63.5mm
Schedule: XS
Weight: 2.9kg

Material: Mild Steel
Material Grade: ASTM A234 WPB
Finish: Black Varnished (Self Colour or Shotblasting on request)
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative Terminology: Buttweld Elbow, Long Radius, 45°, LR, Bend, Weldable
£ 38.85 38.85 GBP
DN100 (4" NB) SCHEDULE 80 / XS A234 WPB LONG RADIUS 90 DEG ELBOW
Outside Diameter (OD): 114.3mm
Wall Thickness: 8.56mm
Centre to Face: 152.4mm
Schedule: XS
Weight: 5.7kg

Material: Mild Steel
Material Grade: ASTM A234 WPB
Finish: Black Varnished (Self Colour or Shotblasting on request)
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative Terminology: Buttweld Elbow, Long Radius, 90°, LR, Bend, Weldable
£ 62.51 62.51 GBP
DN100 (4" NB) SCHEDULE 80 / XS A234 WPB SHORT RADIUS 90 DEG ELBOW
Outside Diameter (OD): 114.3mm
Wall Thickness: 9.5mm
Centre to Face: 101.6mm
Schedule: XS
Weight: 6.21kg

Material: Mild Steel
Material Grade: ASTM A234 WPB
Finish: Black Varnished (Self Colour or Shotblasting on request)
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative Terminology: Buttweld Elbow, Short Radius, 90°, SR, Bend, Weldable
£ 50.33 50.33 GBP
DN100 (4" NB) SCHEDULE 80 / XS A234 WPB SHORT RADIUS 90 DEG ELBOW
Outside Diameter (OD): 114.3mm
Wall Thickness: 8.56mm
Centre to Face: 101.6mm
Schedule: XS
Weight: 3.58kg

Material: Mild Steel
Material Grade: ASTM A234 WPB
Finish: Black Varnished (Self Colour or Shotblasting on request)
Certification Available: 3.1 BS EN 10204 Material Certification

Alternative Terminology: Buttweld Elbow, Short Radius, 90°, SR, Bend, Weldable
£ 50.33 50.33 GBP
DN100 X 80 (4" X 3" NB) SCHEDULE 40/STD A234 WPB CONCENTRIC REDUCER A234 WPB
Side One suits an outside diameter (OD) of: 114.3mm
Side One wall thickness (WT): 6.02mm

Side Two suits an outside diameter (OD) of: 88.8mm
Side Two wall thickness (WT): 5.49mm

Material: Carbon Steel
Grade: A234 WPB
Standards: ASME B16.9
Reduction style: Concentric
Construction: Seamless
Overall Length: 102mm
Ends: Buttweld
Certification Available: 3.1 BS EN 10204 Material Certification


Applications:
Water, Oil & Gas / Petrochem, Steam, Fuels, Condensate, HVAC, Marine, Water & Waste Water, Mining, Construction, Power Generation (Energy), Waste to Energy (ERF)

Alternative terminology:
Butt Weld, Con Reducer, Conred, Concentric
£ 22.40 22.4 GBP
DN100 X DN40 (4" X 1.1/2" NB) SCHEDULE 40 / STD A234 WPB CONCENTRIC REDUCER
Outside Diameter (OD): 114 X 48mm
Wall Thickness: 6.02 X 3.68mm
Length: 102mm
£ 35.07 35.07 GBP
DN100 X DN40 (4" X 1.1/2" NB) SCHEDULE 40 / STD A234 WPB ECCENTRIC REDUCER
Outside Diameter (OD): 114 X 48mm
Wall Thickness: 6.02 X 3.68mm
Length: mm
Contact us for pricing 0.0 GBP
DN100 X DN50 (4" X 2" NB) SCHEDULE 40 / STD A234 WPB CONCENTRIC REDUCER
Outside Diameter (OD): 114 X 60mm
Wall Thickness: 6.02 X 3.91mm
Length: 102mm
£ 24.85 24.85 GBP
DN100 X DN50 (4" X 2" NB) SCHEDULE 40 / STD A234 WPB ECCENTRIC REDUCER
Outside Diameter (OD): 114 X 60mm
Wall Thickness: 6.02 X 3.91mm
Length: mm
Contact us for pricing 0.0 GBP
DN100 X DN65 (4" X 2.1/2" NB) SCHEDULE 40 / STD A234 WPB CONCENTRIC REDUCER
Outside Diameter (OD): 114 X 73mm
Wall Thickness: 6.02 X 5.16mm
Length: 102mm
£ 23.66 23.66 GBP
DN100 X DN65 (4" X 2.1/2" NB) SCHEDULE 40 / STD A234 WPB ECCENTRIC REDUCER
Outside Diameter (OD): 114 X 73mm
Wall Thickness: 6.02 X 5.16mm
Length: mm
Contact us for pricing 0.0 GBP
DN100 X DN80 (4" X 3" NB) SCHEDULE 40 / STD A234 WPB CONCENTRIC REDUCER
Outside Diameter (OD): 114 X 89mm
Wall Thickness: 6.02 X 5.49mm
Length: 102mm
£ 21.07 21.07 GBP
DN100 X DN80 (4" X 3" NB) SCHEDULE 40 / STD A234 WPB ECCENTRIC REDUCER
Outside Diameter (OD): 114 X 89mm
Wall Thickness: 6.02 X 5.49mm
Length: mm
Contact us for pricing 0.0 GBP