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NPS 80
| Dimensions | ||
|---|---|---|
| WWeight | 792.8 | |
| tThickness | 0.938 | |
| ODOutside diameter | 80 | |
| IDInside diameter | 78.12 | |
| AArea | 233 | |
| Major axis | ||
| IxSecond moment of area | 182,100 | |
| SxElastic modulus | 4,552 | |
| ZxPlastic modulus | 5,864 | |
| rxRadius of gyration | 27.95 | |
| ytopCentroid to top | 40 | |
| ybotCentroid to bottom | 40 | |
| Minor axis | ||
| IySecond moment of area | 182,100 | |
| SyElastic modulus | 4,552 | |
| ZyPlastic modulus | 5,864 | |
| ryRadius of gyration | 27.95 | |
| Torsion and warping | ||
| JTorsion constant | 364,100 | |
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 85.4 (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 | 12,110 | |
| MyYield moment, Sx·Fy | 19,720 | |
| MpPlastic moment, Zx·Fy | 25,410 | |
| Test Pressure | Std. | Alt. | |
|---|---|---|---|
| Grade A | 420 | 530 | |
| Grade B | 490 | 620 | |
| Grade X42 | 890 | 890 | |
| Grade X46 | 970 | 970 | |
| Grade X52 (grade picked) | 1,100 | 1,100 | |
| Grade X56 | 1,180 | 1,180 | |
| Grade X60 | 1,270 | 1,270 | |
| Grade X65 | 1,370 | 1,370 | |
| Grade X70 | 1,480 | 1,480 | |
| Grade X80 | 1,690 | 1,690 |