Loading…
NPS 20 · 30 / XS
| Dimensions | ||
|---|---|---|
| WMass | 155.1 | |
| tThickness | 12.7 | |
| ODOutside diameter | 508 | |
| IDInside diameter | 482.6 | |
| AArea | 19,760 | |
| Major axis | ||
| IxSecond moment of area | 606.4 | |
| SxElastic modulus | 2,387 | |
| ZxPlastic modulus | 3,116 | |
| rxRadius of gyration | 175.2 | |
| ytopCentroid to top | 254 | |
| ybotCentroid to bottom | 254 | |
| Minor axis | ||
| IySecond moment of area | 606.4 | |
| SyElastic modulus | 2,387 | |
| ZyPlastic modulus | 3,116 | |
| ryRadius of gyration | 175.2 | |
| Torsion and warping | ||
| JTorsion constant | 1,213,000 | |
API 5L Table 3A/3B
| Steel type | Carbon-manganese, Nb/V/Ti allowed | |
|---|---|---|
| FyYield strength, minimum | 359 | |
| FuTensile strength, minimum | 455 | |
| EModulus of elasticity | 200,000 | |
| GShear modulus | 77,200 | |
| νPoisson's ratio | 0.3 | |
| ρDensity | 7,850 | |
| Flexure class, AISC 360 Table B4.1 | Non-compact, D/t 40.0 (λp 39, λr 172.7) | |
| API RP 2A-WSD group and class | Group II Class C; Class B with SR5/SR6 | |
| Capacity (nominal, no resistance or safety factors) | ||
| PyAxial yield, A·Fy | 7,095 | |
| MyYield moment, Sx·Fy | 857.1 | |
| MpPlastic moment, Zx·Fy | 1,119 | |
| Test Pressure | Std. | Alt. | |
|---|---|---|---|
| Grade A | 62 | 78 | |
| Grade B | 72 | 90 | |
| Grade X42 | 131 | 131 | |
| Grade X46 | 143 | 143 | |
| Grade X52 (grade picked) | 162 | 162 | |
| Grade X56 | 174 | 174 | |
| Grade X60 | 186 | 186 | |
| Grade X65 | 202 | 202 | |
| Grade X70 | 207 | 217 | |
| Grade X80 | 207 | 248 |