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NPS 14 · 20
| Dimensions | ||
|---|---|---|
| WWeight | 45.65 | |
| tThickness | 0.312 | |
| ODOutside diameter | 14 | |
| IDInside diameter | 13.38 | |
| AArea | 13.42 | |
| Major axis | ||
| IxSecond moment of area | 314.4 | |
| SxElastic modulus | 44.91 | |
| ZxPlastic modulus | 58.47 | |
| rxRadius of gyration | 4.841 | |
| ytopCentroid to top | 7 | |
| ybotCentroid to bottom | 7 | |
| Minor axis | ||
| IySecond moment of area | 314.4 | |
| SyElastic modulus | 44.91 | |
| ZyPlastic modulus | 58.47 | |
| ryRadius of gyration | 4.841 | |
| Torsion and warping | ||
| JTorsion constant | 628.8 | |
API 5L Table 3A/3B
| Steel type | Carbon-manganese, Nb/V/Ti allowed | |
|---|---|---|
| FyYield strength, minimum | 52 | |
| FuTensile strength, minimum | 66 | |
| EModulus of elasticity | 29,000 | |
| GShear modulus | 11,200 | |
| νPoisson's ratio | 0.3 | |
| ρDensity | 490 | |
| Flexure class, AISC 360 Table B4.1 | Non-compact, D/t 45.0 (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 | 697.7 | |
| MyYield moment, Sx·Fy | 194.6 | |
| MpPlastic moment, Zx·Fy | 253.4 | |
| Test Pressure | Std. | Alt. | |
|---|---|---|---|
| Grade A | 800 | 1,000 | |
| Grade B | 940 | 1,170 | |
| Grade X42 | 1,590 | 1,590 | |
| Grade X46 | 1,740 | 1,740 | |
| Grade X52 (grade picked) | 1,970 | 1,970 | |
| Grade X56 | 2,120 | 2,120 | |
| Grade X60 | 2,270 | 2,270 | |
| Grade X65 | 2,460 | 2,460 | |
| Grade X70 | 2,650 | 2,650 | |
| Grade X80 | 3,000 | 3,030 |