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Discounts - Rahul Group
Products

Buttweld Fittings

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This product is available in steel, stainless steel, carbon, nickel alloys, aluminum and exotic materials.

Description
Variations
  • Concentric & Eccentric
  • Welded & Seamless
Reference standards
  • ASTM A403 – ASME SA403 – 'Standard Specification for Wrought Austenitic Stainless Steel Piping Fittings'
  • ASTM A815 – ASME SA815 – ' Wrought Ferritic, Ferritic/Austenitic, and Martensitic Stainless Steel Piping Fittings'
  • ASTM A234 – ASME SA234 – 'Piping Fittings of Wrought Carbon Steel and Alloy Steel for Moderate and High Temperature Service'°
  • ASTM A420 – ASME SA420 – 'Piping Fittings of Wrought Carbon Steel and Alloy Steel for Low-Temperature Service
  • ASTM B366 – ASME SB366 – 'Factory-Made Wrought Nickel and Nickel Alloy Fittings'
  • ASTM B363 – ASME SB363 – 'Seamless and Welded Unalloyed TItanium and Titanium Alloy Welding Fittings'
  • ASME B16.9 – 'Factory-Made Wrought Buttwelding Fittings'
  • ASME B16.25 – 'Buttwelding Ends'
  • ASME B16.28 – 'Wrought Steel Buttwelding Short Radius Elbows and Returns'
  • MSS SP-43 – 'Wrought and Fabricated Butt-Welding Fittings for Low Pressure, Corrosion Resistant Applications'
Dimensions
  • Outside Diameter : 1/2″ to 24″ (21.34 – 609.5 mm)
  • Thickness : SCH 5S, 10S, 40S (STD), 80S (XS), 160, XXS (1.65 – 59.51 mm)
buttweld-fittings-5-drawing
Nominal Pipe Size Outside diameter
at bevel 		End-to-end (H)
Large end Small end Large end Small end
3/4″ 3/8″
1/2″ 		26.7 17.3
21.3 		38
1″ 1/2″
3/4″ 		33.4 21.3
26.7 		51
1 1/4″ 1/2″
3/4
1″ 		42.2 21.3
26.7
33.4 		51
1 1/2″ 1/2″
3/4″
1″
1 1/4″ 		48.3 21.3
26.7
33.4
42.2 		64
2″ 3/4″
1″
1 1/4″
1 1/2″ 		60.3 26.7
33.4
42.2
48.3 		76
2 1/2″ 1″
1 1/4″
1 1/2″
2″ 		73.0 33.4
42.2
48.3
60.3 		89
3″ 1 1/4″
1 1/2″
2″
2 1/2″ 		88.9 42.2
48.3
60.3
73.0 		89
3 1/2″ 1 1/4″
1 1/2″
2″
2 1/2″
3″ 		101.6 42.2
48.3
60.3
73.0
88.9 		102
4″ 1 1/2″
2″
2 1/2″
3″
3 1/2″ 		114.3 48.3
60.3
73.0
88.9
101.6 		102
5″ 2″
2 1/2″
3″
3 1/2″
4″ 		141.3 60.3
73.0
88.9
101.6
114.3 		127
6″ 2 1/2″
3″
3 1/2″
4″
5″ 		168.3 73.0
88.9
101.6
114.3
141.3 		140
8″ 3 1/2″
4″
5″
6″ 		219.1 101.6
114.3
141.3
168.3 		152
10″ 4″
5″
6″
8″ 		273.0 114.3
141.3
168.3
219.1 		178
12″ 5″
6″
8″
10″ 		323.8 141.3
168.3
219.1
273.0 		203
14″ 6″
8″
10″
12″ 		355.6 168.3
219.1
273.0
323.8 		330
16″ 8″
10″
12″
14″ 		406.4 219.1
273.0
323.8
355.6 		356
18″ 10″
12″
14″
16″ 		457.0 273.0
323.8
355.6
406.4 		381
20″ 12″
14″
16″
18″ 		508.0 323.8
355.6
406.4
457.0 		508
22″ 14″
16″
18″
20″ 		559.0 355.4
406.4
457.0
508.0 		508
24″ 16″
18″
20″
22″ 		610.0 406.4
457.0
508.0
559.0 		508

Dimensions are in millimeters

Source: ASME B16.9 – 2007