ASTM B423 / ASME SB423, Incoloy 825, UNS N08825
| 크기 외경 | 공차 OD | 공차 WT |
| 1/8''≤OD<3/16''(3.18≤OD<4.76mm) | +0.003''(+0.08mm) / -0 | ±10% |
| 3/16≤OD<1/2''(4.76≤OD<12.7mm) | +0.004''(+0.10mm) / -0 | ±10% |
| 1/2''≤OD≤1''(12.7≤OD≤25.4mm) | +0.005''(+0.13mm) / -0 | ±10% |
메이롱 스탠다드
| 크기 외경 | 공차 OD | 공차 WT |
| 1/8'' ≤OD<3/16''(3.18≤OD<4.76mm) | +0.003''(+0.08mm) / -0 | ±10% |
| 3/16≤OD<1/2''(4.76≤OD<12.7mm) | +0.004''(+0.10mm) / -0 | ±10% |
| 1/2''≤OD≤1''(12.7≤OD≤25.4mm) | +0.004''(+0.10mm) / -0 | ±8% |