YOUR TRUSTED PARTNER
IN THE PIPING INDUSTRY
Butt weld
Long and Short Radius Elbows | ||||
Nominal Pipe Size mm | Outside Diameter at Bevel D | Centre to End | ||
Long Radius Elbow | Short Radius Elbow | |||
90 Deg A | 45 Deg B | 90 Deg A |
15 20 25 32 40 50 65 80 100 125 150 200 250 300 350 400 450 500 600 |
21.3 26.7 33.5 42.2 48.3 60.3 73.0 88.9 114.3 141.3 168.3 219.1 273.1 323.8 355.6 406.4 457.2 508.0 609.6 |
38.1 28.4 38.1 47.8 57.2 76.2 95.2 114.3 152.4 190.5 228.6 304.8 381.0 457.2 533.4 609.6 685.8 762.0 914.4 |
15.7 11.2 22.4 25.4 28.4 35.1 44.4 50.8 63.5 79.2 95.2 127.0 158.8 190.5 222.2 254.0 285.8 317.5 381.0 |
– – 25.4 31.8 38.1 50.8 63.5 76.2 101.6 127.0 152.4 203.2 254.0 304.8 355.6 406.4 457.2 508.0 609.6 |
Note: "t" = wall thickness and is designated by linepipe schedule | ||||
Return (180deg) Elbows | |||||||||
Nominal Pipe Size mm | Outside Diameter at Bevel D | Long Radius | Short Radius | ||||||
Centre to Centre
O |
Back to Face
k |
Centre to Centre
O |
Back to Face
k |
15 20 25 32 40 50 65 80 100 125 150 200 250 300 350 400 450 500 600 |
21.3 26.7 33.5 42.2 48.3 60.3 73.0 88.9 114.3 141.3 168.3 219.1 273.1 323.8 355.6 406.4 457.2 508.0 609.6 |
76.2 57.2 76.2 95.2 114.3 152.4 190.5 228.6 304.8 381.0 457.2 609.6 762.0 914.4 1066.8 1219.2 1371.6 1524.0 1828.8 |
47.8 42.9 55.6 69.8 82.6 106.4 131.8 158.8 209.6 261.9 312.7 414.3 517.7 619.3 711.2 812.8 914.4 1016.0 1219.2 |
– – 50.8 63.5 76.2 101.6 127.0 152.4 203.2 254.0 304.8 406.4 508.0 609.6 711.2 812.8 914.4 1016.0 1219.2 |
– – 41.1 52.3 62.0 81.0 100.1 120.7 158.8 196.9 236.5 312.7 390.7 466.9 533.4 609.6 685.8 762.0 914.4 |
Note: "t" = wall thickness and is designated by linepipe schedule | |||||||||
Long and Short Radius Elbows | ||||
Nominal Pipe Size mm | Outside Diameter at Bevel D | Centre to End | ||
Long Radius Elbow | Short Radius Elbow | |||
90 Deg A | 45 Deg B | 90 Deg A |
15 20 25 32 40 50 65 80 100 125 150 200 250 300 350 400 450 500 600 |
21.3 26.7 33.5 42.2 48.3 60.3 73.0 88.9 114.3 141.3 168.3 219.1 273.1 323.8 355.6 406.4 457.2 508.0 609.6 |
38.1 28.4 38.1 47.8 57.2 76.2 95.2 114.3 152.4 190.5 228.6 304.8 381.0 457.2 533.4 609.6 685.8 762.0 914.4 |
15.7 11.2 22.4 25.4 28.4 35.1 44.4 50.8 63.5 79.2 95.2 127.0 158.8 190.5 222.2 254.0 285.8 317.5 381.0 |
– – 25.4 31.8 38.1 50.8 63.5 76.2 101.6 127.0 152.4 203.2 254.0 304.8 355.6 406.4 457.2 508.0 609.6 |
Note: "t" = wall thickness and is designated by linepipe schedule | ||||
Return (180deg) Elbows | |||||||||
Nominal Pipe Size mm | Outside Diameter at Bevel D | Long Radius | Short Radius | ||||||
Centre to Centre
O |
Back to Face
k |
Centre to Centre
O |
Back to Face
k |
15 20 25 32 40 50 65 80 100 125 150 200 250 300 350 400 450 500 600 |
21.3 26.7 33.5 42.2 48.3 60.3 73.0 88.9 114.3 141.3 168.3 219.1 273.1 323.8 355.6 406.4 457.2 508.0 609.6 |
76.2 57.2 76.2 95.2 114.3 152.4 190.5 228.6 304.8 381.0 457.2 609.6 762.0 914.4 1066.8 1219.2 1371.6 1524.0 1828.8 |
47.8 42.9 55.6 69.8 82.6 106.4 131.8 158.8 209.6 261.9 312.7 414.3 517.7 619.3 711.2 812.8 914.4 1016.0 1219.2 |
– – 50.8 63.5 76.2 101.6 127.0 152.4 203.2 254.0 304.8 406.4 508.0 609.6 711.2 812.8 914.4 1016.0 1219.2 |
– – 41.1 52.3 62.0 81.0 100.1 120.7 158.8 196.9 236.5 312.7 390.7 466.9 533.4 609.6 685.8 762.0 914.4 |
Note: "t" = wall thickness and is designated by linepipe schedule | |||||||||
Tees: Equal and Reducing | |||||||||
Nominal Pipe Size mm | Outside Diameter | Centre-to-end | Nominal Pipe Size mm | Outside Diameter | Centre-to-end | ||||
Run | Outlet | Run C | Outlet M | Run | Outlet | Run C | Outlet M | ||
15x15 | 21.3 | 21.3 | 25.4 | 25.4 | 80x80 | 88.9 | 88.9 | 85.9 | 85.9 |
20x20 | 26.7 | 26.7 | 28.4 | 28.4 | 80x65 | 73.0 | 82.6 | ||
20x15 | 21.3 | 28.4 | 80x50 | 60.3 | 76.2 | ||||
25x25 | 33.5 | 33.5 | 38.1 | 38.1 | 80x40 | 48.3 | 73.0 | ||
25x20 | 26.7 | 38.1 | 80x32 | 42.2 | 69.8 | ||||
25x15 | 21.3 | 38.1 | 100x100 | 114.3 | 114.3 | 104.6 | 104.6 | ||
32x32 | 42.2 | 42.2 | 47.8 | 47.8 | 100x80 | 88.9 | 98.6 | ||
32x25 | 33.5 | 47.8 | 100x65 | 73.0 | 95.2 | ||||
32x20 | 26.7 | 47.8 | 100x50 | 60.3 | 88.9 | ||||
32x15 | 21.3 | 47.8 | 100x40 | 48.3 | 85.9 | ||||
40x40 | 48.3 | 48.3 | 57.2 | 48.3 | 125x125 | 141.3 | 141.3 | 124.0 | 124.0 |
40x32 | 42.2 | 57.2 | 125x100 | 114.3 | 117.3 | ||||
40x25 | 57.2 | 57.2 | 125x80 | 88.9 | 111.3 | ||||
40x20 | 26.7 | 57.2 | 125x65 | 73.0 | 108.0 | ||||
40x15 | 21.3 | 57.2 | 125x50 | 60.3 | 104.6 | ||||
50x50 | 60.3 | 60.3 | 63.5 | 63.5 | 150x150 | 168.3 | 168.3 | 142.7 | 142.7 |
50x40 | 48.3 | 60.3 | 150x125 | 141.3 | 136.7 | ||||
50x32 | 42.2 | 57.2 | 150x100 | 114.3 | 130.0 | ||||
50x25 | 33.5 | 50.8 | 150x80 | 88.9 | 124.0 | ||||
50x20 | 26.7 | 44.4 | 150x65 | 73.0 | 120.6 | ||||
65x65 | 73.0 | 73.0 | 76.2 | 76.2 | 200x200 | 219.1 | 219.1 | 177.8 | 177.8 |
65x50 | 60.3 | 69.8 | 150x125 | 141.3 | 136.7 | ||||
65x40 | 48.3 | 66.5 | 200x150 | 168.3 | 168.3 | ||||
65x32 | 42.2 | 63.5 | 120x100 | 114.2 | 155.4 | ||||
65x25 | 33.5 | 57.2 | |||||||
Note: "t" = wall thickness and is designated by linepipe schedule |
Tees: Equal and Reducing | |||||||||
Nominal Pipe Size mm | Outside Diameter | Centre-to-end | Nominal Pipe Size mm | Outside Diameter | Centre-to-end | ||||
Run | Outlet | Run C | Outlet M | Run | Outlet | Run C | Outlet M | ||
250x250 | 273.1 | 273.1 | 215.9 | 215.9 | 450x450 | 457.2 | 457.2 | 342.9 | 342.9 |
250x200 | 219.1 | 203.2 | 450x400 | 406.4 | 330.2 | ||||
250x150 | 168.3 | 193.5 | 450x350 | 355.6 | 330.2 | ||||
250x125 | 141.3 | 190.5 | 450x300 | 323.8 | 320.5 | ||||
250x100 | 114.3 | 184.2 | 450x250 | 273.1 | 307.8 | ||||
300x300 | 323.8 | 323.8 | 254.0 | 254.0 | 450x200 | 219.1 | 298.4 | ||
300x250 | 273.1 | 241.3 | 500x500 | 508.0 | 508.0 | 381.0 | 381.0 | ||
300x200 | 219.1 | 228.6 | 500x450 | 457.2 | 368.3 | ||||
300x150 | 168.3 | 219.1 | 500x400 | 406.4 | 355.6 | ||||
300x125 | 141.3 | 215.9 | 500x350 | 355.6 | 355.6 | ||||
300x350 | 355.6 | 355.6 | 279.4 | 279.4 | 500x300 | 323.8 | 345.9 | ||
300x300 | 323.8 | 269.7 | 500x250 | 273.1 | 333.2 | ||||
300x250 | 273.1 | 257.0 | 500x200 | 219.1 | 323.8 | ||||
300x200 | 219.1 | 247.6 | 600x600 | 609.6 | 609.6 | 431.8 | 431.8 | ||
300x150 | 168.3 | 238.3 | 600x500 | 508.0 | 431.8 | ||||
400x400 | 406.4 | 355.6 | 304.8 | 304.8 | 600x450 | 457.2 | 419.1 | ||
400x350 | 355.6 | 304.8 | 600x400 | 406.4 | 406.4 | ||||
400x300 | 323.8 | 295.1 | 600x350 | 355.6 | 406.4 | ||||
400x250 | 273.1 | 282.4 | 600x300 | 323.8 | 396.7 | ||||
400x200 | 219.1 | 373.0 | 600x250 | 273.1 | 384.0 | ||||
400x150 | 168.3 | 263.7 | |||||||
Note: "t" = wall thickness and is designated by linepipe schedule |
Caps | |||||
Nominal Pipe Size mm | Outside Diameter at Bevel D | Length* H (1) | Limiting Wall Thickness for Length H (1) | ||
15 20 25 32 40 50 65 80 100 125 150 200 250 300 350 400 450 500 600 |
21.3 26.7 33.5 42.2 48.3 60.3 73.0 88.9 114.3 141.3 168.3 219.1 273.1 323.8 355.6 406.4 457.2 508.0 609.6 |
25.4 25.4 38.1 38.1 38.1 38.1 38.1 50.8 63.5 76.2 88.9 101.6 127.0 152.4 165.1 177.8 203.2 228.6 266.7 |
4.6 3.8 4.6 4.8 5.1 5.6 7.1 7.6 8.6 9.7 10.9 12.7 12.7 12.7 12.7 12.7 12.7 12.7 12.7 | ||
Note: "t" = wall thickness and is designated by linepipe schedule | |||||
* Length applies for thickness not exceeding that given in column |
Reducers Concentric and Eccentric | |||||||||||
NB Pipe Size | Outside Diameter at Bevel | End to End H | NB Pipe Size | Outside Diameter at Bevel | End to End H | NB Pipe Size | Outside Diameter at Bevel | End to End H | |||
Large End D | Small End D1 | Large End D | Small End D1 | Large End D | Small End D1 | ||||||
20x15 | 26.7 | 21.3 | 38.1 | 100x80 | 114.3 | 88.9 | 101.6 | 350x300 | 355.6 | 323.8 | 330.2 |
100x65 | 73.0 | 350x250 | 273.1 | ||||||||
25x20 | 33.5 | 26.7 | 50.8 | 100x50 | 60.3 | 350x200 | 219.1 | ||||
25x15 | 21.3 | 100x50 | 60.3 | 350x200 | 219.1 | ||||||
32x25 | 42.2 | 33.5 | 50.8 | 125x100 | 141.3 | 114.3 | 127 | 400x350 | 406.4 | 355.6 | 355.6 |
32x20 | 26.7 | 125x80 | 88.9 | 400x300 | 323.8 | ||||||
32x15 | 21.3 | 125x65 | 73.0 | 400x250 | 273.1 | ||||||
125x50 | 60.3 | 400x300 | 219.1 | ||||||||
40x32 | 48.3 | 42.2 | 63.5 | 150x125 | 168.3 | 141.3 | 139.7 | 450x400 | 457.2 | 406.4 | 381 |
40x25 | 33.5 | 150x100 | 114.3 | 450x350 | 355.6 | ||||||
40x20 | 33.5 | 150x80 | 88.9 | 450x300 | 323.8 | ||||||
40x15 | 21.3 | 150x65 | 73.0 | 450x250 | 273.1 | ||||||
50x40 | 60.3 | 48.3 | 76.2 | 200x150 | 219.1 | 168.3 | 152.4 | 500x450 | 508 | 457.2 | 508 |
50x32 | 42.2 | 200x125 | 141.3 | 500x400 | 406.4 | ||||||
50x25 | 33.5 | 200x100 | 114.3 | 500x350 | 355.6 | ||||||
50x20 | 26.7 | 200x80 | 88.9 | 500x300 | 323.8 | ||||||
65x50 | 73 | 60.3 | 88.9 | 250x200 | 273.1 | 219.1 | 177.8 | 600x500 | 609.6 | 508.0 | 508 |
65x40 | 48.3 | 250x150 | 168.3 | 600x450 | 457.2 | ||||||
65x32 | 42.2 | 250x125 | 141.3 | 600x400 | 406.4 | ||||||
65x25 | 33.5 | 250x100 | 114.3 | ||||||||
80x65 | 88.9 | 88.9 | 88.9 | 300x250 | 323.8 | 273.1 | 203.2 | ||||
80x50 | 60.3 | 300x200 | 219.1 | ||||||||
80x40 | 48.3 | 300x150 | 168.3 | ||||||||
80x32 | 42.2 | 300x125 | 141.3 | Note: "t" = wall thickness and is designated by linepipe schedule |
FAQ
What is butt welding?
Butt welding is a technique used for joining two pieces of metal or plastic with a seam. The two pieces of material are placed parallel to one another and brought together under heat, pressure, or both. The heat and pressure cause the materials to mix and fuse together, creating a strong, permanent bond. Butt welding is commonly used in the construction of pipelines, boilers, pressure vessels, and other large structures where strong, leak-proof joints are essential.
What are the advantages of butt welding?
There are several advantages of using the butt welding technique for joining metals or plastics, including:
Strength and durability: Butt welding produces strong and durable joints that can withstand high levels of stress and pressure, making it ideal for use in structures like pipelines and pressure vessels.
Eliminates the need for additional materials: Unlike other joining techniques that require additional materials like bolts or adhesives, butt welding uses only the materials being joined, reducing the overall cost and complexity of the process.
Versatility: Butt welding can be used to join a wide range of materials, including metals and plastics, making it a versatile and adaptable joining process for a variety of applications.
What is a seemless butt weld fitting?
A seamless butt weld fitting is a type of pipe fitting that is designed to be welded directly onto the end of a pipe. This fitting is used to connect two pipes of the same diameter together in a straight line, with a smooth and seamless transition between the two. The advantages of using a seamless butt weld fitting include its strength, durability, and resistance to corrosion, as well as its ability to provide a leak-proof seal between the two pipes being joined. These fittings are commonly used in high-pressure piping systems, in applications where the welded joint must be able to withstand a great deal of stress and pressure over time.