BLACK PIPE
Category: BLACK PIPES / G.I. Pipes
DESCRIPTION
| Specification | Welded Steel Black Pipes & GI Pipes: MS 863: 2010 / BS EN 10255: 2004 / BS 1387: 1985 | |
| Type | A – Light Series ; B – Medium Series ; C – Heavy Series | |
Welded Steel Pipes : Types L2 (Light Series)
| Nominal Diameter DN | SPECIFIED OUTSIDE DIAMETER D | THREAD SIZE R | OUTSIDE DIAMETER | WALL THICKNESS T | CALCULATED MASS | NUMBER OF THREADS PER INCH | SOCKET LENGTH | TEST PRESSURE | ||
|---|---|---|---|---|---|---|---|---|---|---|
| mm | max | min | PLAIN END | THREADED & SOCKETED | min | |||||
| mm | mm | mm | mm | kg/m | kg/m | mm | BAR | |||
| 15 | 21.3 | 1/2 | 21.4 | 21.0 | 2.0 | 0.95 | 0.96 | 14 | 34.0 | 50 |
| 20 | 26.9 | 1/4 | 26.9 | 26.4 | 2.3 | 1.38 | 1.39 | 14 | 37.0 | 50 |
| 25 | 33.8 | 1 | 33.8 | 33.2 | 2.6 | 1.98 | 2.00 | 11 | 43.0 | 50 |
| 32 | 42.5 | 1 1/4 | 42.5 | 41.9 | 2.6 | 2.54 | 2.57 | 11 | 48.0 | 50 |
| 40 | 48.4 | 1 1/2 | 48.4 | 47.8 | 2.9 | 3.23 | 3.27 | 11 | 52.0 | 50 |
| 50 | 60.2 | 2 | 60.2 | 59.6 | 2.9 | 4.08 | 4.15 | 11 | 62.5 | 50 |
| 65 | 76.0 | 2 1/2 | 76.0 | 75.2 | 3.2 | 5.71 | 5.71 | 11 | 71.5 | 50 |
| 80 | 88.7 | 3 | 88.7 | 87.9 | 3.2 | 6.72 | 6.72 | 11 | 77.0 | 50 |
| 100 | 113.9 | 4 | 113.9 | 113.0 | 3.6 | 9.75 | 9.75 | 11 | 91.0 | 50 |
Welded Steel Pipes : Medium Series (M)
| Nominal Diameter DN | SPECIFIED OUTSIDE DIAMETER D | THREAD SIZE R | OUTSIDE DIAMETER | WALL THICKNESS T | CALCULATED MASS | NUMBER OF THREADS PER INCH | SOCKET LENGTH | TEST PRESSURE | ||
|---|---|---|---|---|---|---|---|---|---|---|
| mm | max | min | PLAIN END | THREADED & SOCKETED | min | |||||
| mm | mm | mm | mm | kg/m | kg/m | mm | BAR | |||
| 15 | 21.3 | 1/2 | 21.8 | 21.0 | 2.6 | 1.21 | 1.22 | 14 | 34.0 | 50 |
| 20 | 26.9 | 3/4 | 27.3 | 26.5 | 2.6 | 1.56 | 1.57 | 14 | 37.0 | 50 |
| 25 | 33.7 | 1 | 34.2 | 33.3 | 3.2 | 2.41 | 2.43 | 11 | 43.0 | 50 |
| 32 | 42.4 | 1 1/4 | 42.9 | 42.0 | 3.2 | 3.10 | 3.13 | 11 | 48.0 | 50 |
| 40 | 48.3 | 1 1/2 | 48.8 | 47.9 | 3.2 | 3.56 | 3.60 | 11 | 52.0 | 50 |
| 50 | 60.3 | 2 | 60.8 | 59.7 | 3.6 | 5.03 | 5.10 | 11 | 62.5 | 50 |
| 65 | 76.1 | 2 1/2 | 76.6 | 75.3 | 3.6 | 6.42 | 6.54 | 11 | 71.5 | 50 |
| 80 | 88.9 | 3 | 89.5 | 88.0 | 4.0 | 8.36 | 8.53 | 11 | 77.0 | 50 |
| 100 | 114.3 | 4 | 115.0 | 113.1 | 4.5 | 12.20 | 12.50 | 11 | 91.0 | 50 |
| 125 | 139.7 | 5 | 140.8 | 138.5 | 5.0 | 16.60 | 17.10 | 11 | 105.5 | 50 |
| 150 | 165.1 | 6 | 166.5 | 163.9 | 5.0 | 19.80 | 20.40 | 11 | 116.5 | 50 |
Welded Steel Pipes : Heavy Series (H)
| Nominal Diameter DN | SPECIFIED OUTSIDE DIAMETER D | THREAD SIZE R | OUTSIDE DIAMETER | WALL THICKNESS T | CALCULATED MASS | NUMBER OF THREADS PER INCH | SOCKET LENGTH | TEST PRESSURE | ||
|---|---|---|---|---|---|---|---|---|---|---|
| mm | max | min | PLAIN END | THREADED & SOCKETED | min | |||||
| mm | mm | mm | mm | kg/m | kg/m | mm | BAR | |||
| 15 | 21.3 | 1/2 | 21.8 | 21.0 | 3.2 | 1.44 | 1.45 | 14 | 34.0 | 50 |
| 20 | 26.9 | 3/4 | 27.3 | 26.5 | 3.2 | 1.87 | 1.88 | 14 | 37.0 | 50 |
| 25 | 33.7 | 1 | 34.2 | 33.3 | 4.0 | 2.93 | 2.93 | 11 | 43.0 | 50 |
| 32 | 42.4 | 1 1/4 | 42.9 | 42.0 | 4.0 | 3.79 | 3.82 | 11 | 48.0 | 50 |
| 40 | 48.3 | 1 1/2 | 48.8 | 47.9 | 4.0 | 4.37 | 4.41 | 11 | 52.5 | 50 |
| 50 | 60.3 | 2 | 60.8 | 59.7 | 4.5 | 6.19 | 6.26 | 11 | 62.5 | 50 |
| 65 | 76.1 | 2 1/2 | 76.6 | 75.3 | 4.5 | 7.93 | 7.93 | 11 | 71.5 | 50 |
| 80 | 88.9 | 3 | 89.5 | 88.0 | 5.0 | 10.30 | 10.50 | 11 | 77.0 | 50 |
| 100 | 114.3 | 4 | 115.0 | 113.1 | 5.4 | 14.50 | 14.80 | 11 | 91.0 | 50 |
| 125 | 139.7 | 5 | 140.8 | 138.5 | 5.4 | 17.90 | 18.40 | 11 | 105.5 | 50 |
| 150 | 165.1 | 6 | 166.5 | 163.9 | 5.4 | 21.30 | 21.90 | 11 | 116.5 | 50 |
Carbon Steel Pipes For Ordinary Piping
| Norminal Size | Outside Diameter | Wall Thickness | Weight (Plain Ends) | Test Pressure | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| mm | in | mm | in | mm | in | kg/m | kg/6m | kg/ft | lb/ft | lb/20ft | kg/cm2 | psi |
| 100 | 4 | 114.3 | 4.500 | 4.5 | 0.177 | 12.20 | 73.20 | 3.72 | 8.20 | 164 | 25 | 360 |
| 125 | 5 | 139.8 | 5.504 | 4.5 | 0.177 | 15.00 | 90.00 | 4.57 | 10.10 | 202 | 25 | 360 |
| 150 | 6 | 165.2 | 6.504 | 5.0 | 0.197 | 19.80 | 118.80 | 6.04 | 13.30 | 266 | 25 | 360 |
| 175 | 7 | 190.7 | 7.508 | 5.3 | 0.209 | 24.20 | 145.80 | 7.38 | 16.30 | 326 | 25 | 360 |
| 200 | 8 | 216.3 | 8.516 | 5.8 | 0.228 | 30.10 | 180.60 | 9.17 | 20.20 | 404 | 25 | 360 |
| 225 | 9 | 241.8 | 9.520 | 6.2 | 0.244 | 36.00 | 216.00 | 11.0 | 24.20 | 484 | 25 | 360 |
| 250 | 10 | 267.4 | 10.528 | 6.6 | 0.260 | 42.40 | 254.00 | 12.90 | 28.50 | 570 | 25 | 360 |
| 300 | 12 | 318.5 | 12.539 | 6.9 | 0.272 | 53.00 | 318.00 | 16.20 | 35.60 | 712 | 25 | 360 |
| 350 | 14 | 355.6 | 14.000 | 7.9 | 0.311 | 67.60 | 406.20 | 20.60 | 45.50 | 910 | 25 | 360 |
| 400 | 16 | 406.4 | 16.000 | 7.9 | 0.311 | 77.60 | 465.60 | 23.70 | 52.10 | 1042 | 25 | 360 |
