Standard: JIS G3463 (stainless steel boiler and heat exchanger tubes)
JIS G3463 covers seamless and welded stainless steel tubes for boilers, superheaters, heat exchangers and condensers (grades such as SUS304TB, SUS316LTB, SUS321TB). Tubes are ordered by outside diameter and wall thickness rather than by schedule.
The grid gives the mass per metre for each combination listed in the source, calculated for austenitic stainless steel at 7.93 kg/dm³: W = 0.02491 × t × (D − t).
| Tube | Wall thickness (mm) — mass in kg/m | ||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| OD mm | 1.2 mm | 1.6 mm | 2 mm | 2.3 mm | 2.6 mm | 2.9 mm | 3.2 mm | 3.5 mm | 4 mm | 4.5 mm | 5 mm | 5.5 mm | 6 mm | 6.5 mm | 7 mm | 8 mm | 9.5 mm | 11 mm | 12.5 mm |
| 15.9 | 0.439 | 0.570 | 0.692 | 0.779 | 0.861 | 0.939 | – | – | – | – | – | – | – | – | – | – | – | – | – |
| 19.0 | 0.532 | 0.693 | 0.847 | 0.957 | 1.06 | 1.16 | – | – | – | – | – | – | – | – | – | – | – | – | – |
| 21.7 | 0.613 | 0.801 | 0.981 | 1.11 | 1.24 | 1.36 | 1.47 | – | – | – | – | – | – | – | – | – | – | – | – |
| 25.4 | 0.723 | 0.949 | 1.17 | 1.32 | 1.48 | 1.63 | 1.77 | 1.91 | – | – | – | – | – | – | – | – | – | – | – |
| 27.2 | 0.777 | 1.02 | 1.26 | 1.43 | 1.59 | 1.76 | 1.91 | 2.07 | 2.31 | – | – | – | – | – | – | – | – | – | – |
| 31.8 | 0.915 | 1.20 | 1.48 | 1.69 | 1.89 | 2.09 | 2.28 | 2.47 | 2.77 | 3.06 | – | – | – | – | – | – | – | – | – |
| 34.0 | – | 1.29 | 1.59 | 1.82 | 2.03 | 2.25 | 2.46 | 2.66 | 2.99 | 3.31 | 3.61 | – | – | – | – | – | – | – | – |
| 38.1 | – | 1.45 | 1.80 | 2.05 | 2.30 | 2.54 | 2.78 | 3.02 | 3.40 | 3.77 | 4.12 | 4.47 | – | – | – | – | – | – | – |
| 42.7 | – | – | 2.03 | 2.31 | 2.60 | 2.88 | 3.15 | 3.42 | 3.86 | 4.28 | 4.70 | 5.10 | 5.49 | – | – | – | – | – | – |
| 45.0 | – | – | 2.14 | 2.45 | 2.75 | 3.04 | 3.33 | 3.62 | 4.09 | 4.54 | 4.98 | 5.41 | 5.83 | 6.23 | – | – | – | – | – |
| 48.6 | – | – | 2.32 | 2.65 | 2.98 | 3.30 | 3.62 | 3.93 | 4.44 | 4.94 | 5.43 | 5.90 | 6.37 | 6.82 | 7.25 | – | – | – | – |
| 50.8 | – | – | 2.43 | 2.78 | 3.12 | 3.46 | 3.79 | 4.12 | 4.66 | 5.19 | 5.70 | 6.21 | 6.70 | 7.17 | 7.64 | 8.53 | 9.77 | 10.9 | 11.9 |
| 54.0 | – | – | 2.59 | 2.96 | 3.33 | 3.69 | 4.05 | 4.40 | 4.98 | 5.55 | 6.10 | 6.64 | 7.17 | 7.69 | 8.20 | 9.17 | 10.5 | 11.8 | 12.9 |
| 57.1 | – | – | 2.75 | 3.14 | 3.53 | 3.92 | 4.30 | 4.67 | 5.29 | 5.90 | 6.49 | 7.07 | 7.64 | 8.19 | 8.74 | 9.78 | 11.3 | 12.6 | 13.9 |
| 60.3 | – | – | 2.90 | 3.32 | 3.74 | 4.15 | 4.55 | 4.95 | 5.61 | 6.25 | 6.89 | 7.51 | 8.12 | 8.71 | 9.29 | 10.4 | 12.0 | 13.5 | 14.9 |
| 63.5 | – | – | – | 3.51 | 3.94 | 4.38 | 4.81 | 5.23 | 5.93 | 6.61 | 7.29 | 7.95 | 8.59 | 9.23 | 9.85 | 11.1 | 12.8 | 14.4 | 15.9 |
| 65.0 | – | – | – | 3.59 | 4.04 | 4.49 | 4.93 | 5.36 | 6.08 | 6.78 | 7.47 | 8.15 | 8.82 | 9.47 | 10.1 | 11.4 | 13.1 | 14.8 | 16.3 |
| 70.0 | – | – | – | 3.88 | 4.37 | 4.85 | 5.32 | 5.80 | 6.58 | 7.34 | 8.10 | 8.84 | 9.57 | 10.3 | 11.0 | 12.4 | 14.3 | 16.2 | 17.9 |
| 76.2 | – | – | – | 4.23 | 4.77 | 5.30 | 5.82 | 6.34 | 7.19 | 8.04 | 8.87 | 9.69 | 10.5 | 11.3 | 12.1 | 13.6 | 15.8 | 17.9 | 19.8 |
| 82.6 | – | – | – | – | – | – | 6.33 | 6.90 | 7.83 | 8.75 | 9.67 | 10.6 | 11.4 | 12.3 | 13.2 | 14.9 | 17.3 | 19.6 | 21.8 |
| 88.9 | – | – | – | – | – | – | 6.83 | 7.45 | 8.46 | 9.46 | 10.4 | 11.4 | 12.4 | 13.3 | 14.3 | 16.1 | 18.8 | 21.3 | 23.8 |
| 101.6 | – | – | – | – | – | – | – | 8.55 | 9.72 | 10.9 | 12.0 | 13.2 | 14.3 | 15.4 | 16.5 | 18.7 | 21.8 | 24.8 | 27.7 |
| 114.3 | – | – | – | – | – | – | – | – | 11.0 | 12.3 | 13.6 | 14.9 | 16.2 | 17.5 | 18.7 | 21.2 | 24.8 | 28.3 | 31.7 |
| 127.0 | – | – | – | – | – | – | – | – | 12.3 | 13.7 | 15.2 | 16.6 | 18.1 | 19.5 | 20.9 | 23.7 | 27.8 | 31.8 | 35.7 |
| 139.8 | – | – | – | – | – | – | – | – | – | – | – | 18.4 | 20.0 | 21.6 | 23.2 | 26.3 | 30.8 | 35.3 | 39.6 |
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