Seamless 20# Carbon Steel Tube
20# steel pipe, generally 20 seamless steel pipe, the strength is slightly higher than 15 steel, rarely quenched, no temper brittleness.
| astm A135 / sa135 Pipes & Tubes Size | For Pipes- NPS 1/4″ – 30″ OD, Custom Size AvailableFor Tubes – 6.35mm o.d to 101.60mm o.d |
|---|---|
| Heat Exchanger Pipes & Condenser pipes Grades | ASTM A135 Pipes & Tubes, ASME SA135 Pipes & Tubes |
| Type | Seamless A135 Pipes & Welded A135 Pipes, ASTM A135 ERW (Electric Resistance Welded) Pipes |
| Length | Double Random & Required Length, Single Random, & Custom Size Available |
| Shape/Form | Square A135 Pipes, Rectangular / Rectangle SA135 Pipes, Round SA135 Pipes & Tubes, Coiled Tubes, “U” Shape Pipes & Tubes. |
| Pipes & Tubes End | Plain End, Beveled End, Treaded Protected With Plastic Caps |
| Coating Of A120 pipes & tubes | Anti-Corrosion Oil, Galvanised Finish, Black Painting, Finish as per Customer Requirements |
| Diameter | NPS ¼” to 30” diameter, Custom Diameter Available |
| Origin | Indian Origin, Japanese Origin, US Origin, Ukraine Origin, Russian Origin, Korean Origin, European Origin, |
| Grade | A135 Grade A, A135 Grade B |
| Schedule | 5, 10, 20, 30, 40, 60, 80, 100, 120, 140, 160, XS, XXS, STD |
| ASTM A135 Pipes & Tubes | ASTM A135 Schedule 40 Pipe |
| ASME SA135 Pipes & Tubes | A135 Round Pipe & Tube |
| A135 Seamless Pipes & Tubes | Carbon Steel A135 Welded Pipes & Tubes |
| A135 Electric Resistance Welded Pipes & Tubes | ASME SA135 ERW Pipes & Tubes |
| ASTM A135 Grade A Pipe | ASTM A135 Grade B Pipe |
| ASTM A135 / ASME SA135 LSAW Pipes | ASME SA135 / ASTM A135 SSAW Pipes |
| Element | Carbon | Manganese | Phosphorus | Sulfur |
| Grade A | 0.25 | 0.95 | 0.035 | 0.035 |
| Grade B | 0.30 | 1.20 | 0.035 | 0.035 |
| Grade A | |
|---|---|
| Tensile strength, min, ksi (MPa) | 48 (331) |
| Yield strength, min, ksi (MPa) | 30 (207) |
| Elongation in 2 in. (50 mm), min, %: | |
| For pipe having a specified wall thickness of5 ⁄16in. (7.9 mm) or more, if tested using a longitudinal strip test specimen | 35 |
| For pipe having a specified wall thickness of less than5 ⁄16 in. (7.9 mm), if tested using a longitudinal strip test specimen | A |
| For pipe of any size, if tested using a full-size longitudinal test specimen | 35 |
| Grade B | |
|---|---|
| Tensile strength, min, ksi (MPa) | 60 (414) |
| Yield strength, min, ksi (MPa) | 35 (241) |
| Elongation in 2 in. (50 mm), min, %: | |
| For pipe having a specified wall thickness of 5 ⁄16in. (7.9 mm) or more, if tested using a longitudinal strip test specimen | 30 |
| For pipe having a specified wall thickness of less than 5 ⁄16 in. (7.9 mm), if tested using a longitudinal strip test specimen | B |
| For pipe of any size, if tested using a full-size longitudinal test specimen | 30 |
| NB Sizes | Sch 5 | Sch 10 | Sch 40 | Sch 80 | Sch 160 |
|---|---|---|---|---|---|
| 1/2 | |||||
| 3/4 | |||||
| 1 | |||||
| 1.25 | |||||
| 1.5 | |||||
| 2 | |||||
| 2.5 | |||||
| 3 | |||||
| 3.5 | |||||
| 4 | |||||
| 5 | |||||
| 6 | |||||
| 8 | |||||
| 10 | |||||
| 12 | |||||
| 14 | |||||
| 16 | |||||
| 18 | |||||
| 20 | |||||
| 22 | |||||
| 24 |
OUTSIDE DIAMETER |
WALL THICKNESS | WEIGHT OF BLACK PIPES | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| NOMINAL PIPE SIZE | STANDARD | STANDARD | PLAIN END PIPES | TEST PRESSURE | |||||||
| INCH | MM | INCH | MM | INCH | MM | KG/MTR | MTR/TON | LB/FT | FT/TON | PSI | KPA |
| 3/4 | 20 | 1.050 | 26.7 | 0.083* | 2.11 | 1.28 | 781 | 0.86 | 2562 | 700 | 4830 |
| 1 | 25 | 1.315 | 33.4 | 0.109* | 2.77 | 2.09 | 478 | 1.41 | 1568 | 700 | 4830 |
| 1.1/4 | 32 | 1.660 | 42.2 | 0.109* | 2.77 | 2.69 | 372 | 1.81 | 1221 | 1000 | 6890 |
| 1.1/2 | 40 | 1.900 | 48.30 | 0.109* | 2.77 | 3.11 | 322 | 2.09 | 1056 | 1000 | 6890 |
| 2 | 50 | 2.375 | 60.3 | 0.109* | 2.77 | 3.93 | 254 | 2.64 | 833 | 1000 | 6890 |
| 2.1/2 | 65 | 2.875 | 73.0 | 0.120* | 3.05 | 5.26 | 190 | 3.53 | 623 | 1000 | 6890 |
| 3 | 80 | 3.500 | 88.9 | 0.120* | 3.05 | 6.46 | 155 | 4.34 | 509 | 1000 | 6890 |
| 3.1/2 | 90 | 4.000 | 101.6 | 0.120* | 3.05 | 7.41 | 135 | 4.98 | 443 | 1200 | 8270 |
| 4 | 100 | 4.500 | 114.3 | 0.120* | 3.05 | 8.37 | 119 | 5.62 | 390 | 1200 | 8270 |
| 5 | 125 | 5.563 | 141.3 | 0.134* | 3.40 | 11.58 | 86 | 7.78 | 283 | 1200 | 8270 |
| 6 | 150 | 6.625 | 168.3 | 0.134* | 3.40 | 13.85 | 72 | 9.30 | 237 | 1000 | 6890 |
| 8 | 200 | 8.625 | 219.1 | 0.188** | 4.78 | 25.26 | 40 | 16.96 | 130 | 800 | 5520 |
