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NPS 4
| Dimensions | ||
|---|---|---|
| WWeight | 5.85 | |
| tThickness | 0.125 | |
| ODOutside diameter | 4.5 | |
| IDInside diameter | 4.25 | |
| AArea | 1.718 | |
| Major axis | ||
| IxSecond moment of area | 4.114 | |
| SxElastic modulus | 1.828 | |
| ZxPlastic modulus | 2.393 | |
| rxRadius of gyration | 1.547 | |
| ytopCentroid to top | 2.25 | |
| ybotCentroid to bottom | 2.25 | |
| Minor axis | ||
| IySecond moment of area | 4.114 | |
| SyElastic modulus | 1.828 | |
| ZyPlastic modulus | 2.393 | |
| ryRadius of gyration | 1.547 | |
| Torsion and warping | ||
| JTorsion constant | 8.228 | |
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 35.7 (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 | 89.34 | |
| MyYield moment, Sx·Fy | 7.923 | |
| MpPlastic moment, Zx·Fy | 10.37 | |
| Test Pressure | Std. | Alt. | |
|---|---|---|---|
| Grade A25 | 800 | — | |
| Grade A | 1,000 | 1,250 | |
| Grade B | 1,170 | 1,460 | |
| Grade X42 | 1,400 | 1,750 | |
| Grade X46 | 1,530 | 1,920 | |
| Grade X52 (grade picked) | 1,730 | 2,170 | |
| Grade X56 | 1,870 | 2,330 | |
| Grade X60 | 2,000 | 2,500 | |
| Grade X65 | 2,170 | 2,710 | |
| Grade X70 | 2,330 | 2,920 | |
| Grade X80 | 2,670 | 3,330 |