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NPS 56
| Dimensions | ||
|---|---|---|
| WWeight | 731.6 | |
| tThickness | 1.25 | |
| ODOutside diameter | 56 | |
| IDInside diameter | 53.5 | |
| AArea | 215 | |
| Major axis | ||
| IxSecond moment of area | 80,600 | |
| SxElastic modulus | 2,879 | |
| ZxPlastic modulus | 3,748 | |
| rxRadius of gyration | 19.36 | |
| ytopCentroid to top | 28 | |
| ybotCentroid to bottom | 28 | |
| Minor axis | ||
| IySecond moment of area | 80,600 | |
| SyElastic modulus | 2,879 | |
| ZyPlastic modulus | 3,748 | |
| ryRadius of gyration | 19.36 | |
| Torsion and warping | ||
| JTorsion constant | 161,200 | |
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 44.7 (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 | 11,180 | |
| MyYield moment, Sx·Fy | 12,470 | |
| MpPlastic moment, Zx·Fy | 16,240 | |
| Test Pressure | Std. | Alt. | |
|---|---|---|---|
| Grade A | 800 | 1,000 | |
| Grade B | 940 | 1,170 | |
| Grade X42 | 1,690 | 1,690 | |
| Grade X46 | 1,850 | 1,850 | |
| Grade X52 (grade picked) | 2,090 | 2,090 | |
| Grade X56 | 2,250 | 2,250 | |
| Grade X60 | 2,410 | 2,410 | |
| Grade X65 | 2,610 | 2,610 | |
| Grade X70 | 2,810 | 2,810 | |
| Grade X80 | 3,000 | 3,210 |