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NPS 8 · STD / 40S / 40
| Dimensions | ||
|---|---|---|
| WWeight | 28.58 | |
| tThickness | 0.322 | |
| ODOutside diameter | 8.625 | |
| IDInside diameter | 7.981 | |
| AArea | 8.399 | |
| Major axis | ||
| IxSecond moment of area | 72.49 | |
| SxElastic modulus | 16.81 | |
| ZxPlastic modulus | 22.21 | |
| rxRadius of gyration | 2.938 | |
| ytopCentroid to top | 4.313 | |
| ybotCentroid to bottom | 4.313 | |
| Minor axis | ||
| IySecond moment of area | 72.49 | |
| SyElastic modulus | 16.81 | |
| ZyPlastic modulus | 22.21 | |
| ryRadius of gyration | 2.938 | |
| Torsion and warping | ||
| JTorsion constant | 145 | |
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 | Compact, D/t 26.7 (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 | 436.8 | |
| MyYield moment, Sx·Fy | 72.84 | |
| MpPlastic moment, Zx·Fy | 96.24 | |
| Test Pressure | Std. | Alt. | |
|---|---|---|---|
| Grade A | 1,340 | 1,680 | |
| Grade B | 1,570 | 1,960 | |
| Grade X42 | 2,350 | 2,350 | |
| Grade X46 | 2,580 | 2,580 | |
| Grade X52 (grade picked) | 2,910 | 2,910 | |
| Grade X56 | 3,000 | 3,140 | |
| Grade X60 | 3,000 | 3,360 | |
| Grade X65 | 3,000 | 3,640 | |
| Grade X70 | 3,000 | 3,920 | |
| Grade X80 | 3,000 | 4,480 |