Pipe Thickness Calculator ASME B31.1
| Pressure (P,psi) | Outside Dia. (Do,mm) | Max. Stress (S,psi) | Joint Efficiency (E) | Weld Reduction Factor (W) | Thickness Coefficient (y) | Corrosion Allowance (CA,mm) | Mill Tollerance (MT,%) | Min. Wall Thickness (tm,mm) | Do/tm |
|---|---|---|---|---|---|---|---|---|---|
| 300 | 260 | 13.7 | 1 | 1 | 0.4 | 2 | 12.5 | ||
| 50 | 200 | 13 | 1 | 1 | 0.4 | 0 | 12.5 | ||
| 150 | 114.3 | 150 | 1 | 1 | 0.4 | 1 | 12.5 | ||
| 346 | 240 | 678 | 1 | 1 | 0.4 | 0 | 12.5 | ||
| 10000 | 168 | 56667 | 1 | 1 | 0.4 | 0 | 12.5 | ||
| 10000 | 168 | 56667 | 1 | 1 | 0.4 | 0 | 12.5 | ||
| 15000 | 1683 | 85000 | 1 | 1 | 0.4 | 0 | 12.5 | ||
| 15000 | 168 | 85000 | 1 | 1 | 0.4 | 0 | 12.5 | ||
| 15000 | 168 | 85000 | 1 | 1 | 0.4 | 3 | 12.5 | ||
| 652.7 | 323.85 | 17495 | 1 | 1 | 0.4 | 0 | 0 | ||
| 1450.38 | 33.4 | 35000 | 1 | 1 | 0.4 | 3 | 12.5 | ||
| 12.5 | 1000 | 80 | 0.95 | 1 | 0.4 | 0 | 12.5 | ||
| 2219 | 1219 | 32000 | 1 | 1 | 0.4 | 3 | 12.5 | ||
| 44.1 | 168.3 | 10.8 | 1 | 1 | 0.4 | 1.60 | 12.5 | ||
| 7500 | 141.3 | 33350 | 1 | 1 | 0.4 | 0 | 12.5 | ||
| 750 | 12.5 | 72000 | 1 | 1 | 0.4 | 0 | 12.5 | ||
| 2342.35 | 21.34 | 20 | 1 | 1 | 0.4 | 0 | 12.5 | ||
| 174.04528528 | 114.3 | 0 | 1 | 1 | 0.4 | 0 | 0 | ||
| 174.04528528 | 114.3 | 0 | 1 | 1 | 0.4 | 1.6 | 12.5 | ||
| 174.045 | 114.3 | 17100 | 1 | 1 | 0.4 | 1.6 | 12.5 | ||
| 2654.1906005 | 406.40 | 16300 | 1 | 1 | 0.4 | 0 | 0 | ||
| 2654.1906005 | 406.4 | 16300 | 1 | 1 | 0.4 | 0 | 12.5 | ||
| 24000 | 38.1 | 155000 | 1 | 1 | 1 | 0 | 12.5 | ||
| 24000 | 38.1 | 145000 | 1 | 1 | 1 | 1 | 12.5 | ||
| 1030 | 219 | 17099 | 1 | 1 | 0.4 | 1.6 | 12.5 | ||
| 4350 | 13.1 | 5000 | 1 | 1 | 0.4 | 0 | 12.5 | ||
| 4530 | 13.1 | 9000 | 1 | 1 | 0.4 | 0 | 12.5 | ||
| 17 | 273 | 35009 | 1 | 1 | 0.4 | 1.6 | 12.5 | ||
| 333.5 | 273 | 35009 | 1 | 1 | 0.4 | 1.6 | 12.5 | ||
| 333.5 | 273 | 35009.172 | 1 | 1 | 0.4 | 1.524 | 12.5 | ||
| 210.25 | 219.1 | 15600 | 1 | 1 | 0.4 | 0 | 12.5 | ||
| 210.25 | 219.1 | 15600 | 1 | 1 | 0.4 | 0 | 12.5 | ||
| 652.67 | 33.4 | 9400 | 0.8 | 1 | 0.4 | 0 | 12.5 |
Notes:
- According to ASME B31.1:2018 (104.1.2)
- Table for Maximum Allowable Stress Values in Tension, ksi, for Metal Temperature, °F, (Not Exceeding)
- SMTS – Specified Minimum Tensile Strenght
- SMYS – Specified Minimum Yield Strenght
- LWJE [E] – Longitudinal Weld Joint Efficiency factor ( Table 102.4.3-1)
- [F] – Casting Factor
- LWSR [W] – Longitudinal Weld Strength Reduction factor (Table 102.4.7- 1)
- WTC [y] – Wall Thickness Coefficient, valid only for cases [Do/tm >6], (Table 104.1.2-1)