Stock standard sizes
Stock standard sizes and tolerances for Kanthal® APMT and Kanthal® APM iron-chromium-aluminium (FeCrAl) alloy furnace tubes.
Characteristics
Tolerances
| OD | ±1.5%, min ±0.75 mm (0.030 in.) |
|---|---|
| Wall thickness | ±15%, min ±0.6 mm (0.024 in.) |
| Straightness | Max. height of arc 3 mm/1000 mm (0.12 in./39.4 in.) |
| OD | ±1 |
|---|---|
| Wall thickness | ±15% |
| Straightness | Max. height of arc 3 mm/1000 mm (0.12 in./39.4 in.) |
| OD mm (in.) |
Wall thickness mm (in.) |
Weight |
Weight kg/m (lb/ft) Kanthal APMT |
Max. length m (ft) |
Kanthal® APM |
Kanthal® APMT |
|---|---|---|---|---|---|---|
| 26.67 (1.05) | 2.87 (0.11) | 1.52 (1.02) | - | 13.0 (42.6) | ● | - |
| 33.4 (1.31) | 3.38 (0.13) | 2.26 (1.52) | - | 13.0 (42.6) | ● | - |
| 33.7 (1.33) | 6.0 (0.24) | 3.71 (2.49) | - | 10.5 (34.4) | ● | - |
| 40 (1.57) | 3.0 (0.12) | 2.48 (1.67) | - | 13.0 (42.6) | ● | - |
| 50.8 (2.00) | 6.35 (0.25) | 6.30 (4.23) | - | 7.0 (23.0) | ● | - |
| 60.33 (2.38) | 3.91 (0.15) | 4.92 (3.31) | - | 8.0 (26.2) | ● | - |
| 64 (2.52) | 4.0 (0.16) | 5.35 (3.60) | - | 7.0 (23.0) | ● | - |
| 75 (2.95) | 4.5 (0.18) | 7.08 (4.76) | 7.19 (4.83) | 12.0 (39.4) | ● | ● |
| 83 (3.27) | 5.0 (0.20) | 8.70 (5.85) | 8.83 (5.93) | 12.0 (39.4) | ● | ● |
| 89 (3.50) | 5.5 (0.22) | 10.2 (6.85) | 10.4 (6.99) | 12.0 (39.4) | ● | ● |
| 100 (3.94) | 5.0 (0.20) | 10.6 (7.12) | 10.8 (7.26) | 11.5 (37.7) | ● | ● |
| 109 (4.29) | 5.0 (0.20) | 11.6 (7.79) | - | 10.0 (32.8) | ● | - |
| 115 (4.53) | 5.5 (0.22) | 13.4 (9.00) | 13.6 (9.14) | 8.0 (26.2) | ● | ● |
| 128 (5.04) | 5.5 (0.22) | 15.0 (10.08) | - | 12.0 (39.4) | ● | - |
| 146 (5.75) | 6.0 (0.24) | 18.7 (12.57) | - | 9.5 (31.2) | ● | - |
| 154 (6.06) | 6.0 (0.24) | 19.8 (13.30) | - | 8.0 (26.2) | ● | - |
| 164 (6.46) | 6.0 (0.24) | 21.2 (14.25) | - | 7.0 (23.0) | ● | - |
| 178 (7.01) | 8.0 (0.31) | 30.3 (20.36) | - | 6.5 (21.3) | ● | - |
| 198 (7.80) | 9.0 (0.35) | 37.9 (25.47) | - | 5.0 (16.4) | ● | - |
| 260 (10.24) | 11.0 (0.45) | 61.1 (41.06) | - | 3.0 (9.8) | ● | - |
