ERW Boiler & Air Heater tubes are manufactured by HFERW Process and suitably heat treated, if required. These are widely used for manufacturing and maintaining boilers in power plants and process industries such as sugar, fertilizers, chemicals, petrochemicals, etc.
Product Range | ERW Boiler & Air Heater Tubes |
OD | 33.4 MM to 355.6 MM or (1" to 14") |
Thickness | 2.03 MM to 9.52 MM |
Specification |
BS: 3059 (Pt-I & II)/BS: 6323 (Pt-V)/ASTM,
A-178/A-214/A-333/A-334 IS: 1914 (Pt-IV)/ IS: 2416 (Pt-IV)/ IS: 11714 (Pt-III). |
Outside Diameter (mm) | Conventional Mass per Unit Length in kg/m for a Tube Thickness in mm of: | |||||||||||||||||||||||||
2.03 | 2.34 | 2.64 | 2.95 | 3.25 | 3.38 | 3.56 | 3.66 | 3.68 | 3.91 | 4.06 | 4.5 | 5.16 | 5.49 | 5.74 | 6.02 | 6.35 | 6.55 | 7.04 | 7.11 | 7.8 | 7.92 | 8.18 | 8.38 | 9.27 | 9.52 | |
33.4/33.7 | 1.59 | 1.81 | 2.02 | 2.24 | 2.44 | 2.53 | - | 2.71 | - | - | 2.97 | 3.24 | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
38 | 1.8 | 2.06 | 2.3 | 2.55 | 2.79 | - | - | 3.1 | - | - | 3.4 | 3.72 | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
42.2/42.4 | - | 2.31 | 2.59 | 2.87 | 3.14 | - | 3.41 | 3.5 | - | - | 3.84 | 4.21 | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
44.5 | - | 2.43 | 2.73 | 3.02 | 3.31 | - | - | 3.69 | - | - | 4.05 | 4.44 | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
48.3 | - | 2.65 | 2.97 | 3.3 | 3.61 | - | - | 4.03 | 4.05 | - | 4.43 | 4.86 | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
50.8 | - | 2.8 | 3.14 | 3.48 | 3.81 | - | - | 4.25 | - | - | 4.68 | 5.14 | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
57.2 | - | - | 3.55 | 3.95 | 4.32 | - | - | 4.83 | - | - | 5.32 | 5.83 | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
60.3 | - | - | 3.75 | 4.17 | 4.57 | - | - | 5.11 | - | 5.44 | 5.63 | 6.19 | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
63.5 | - | - | 3.96 | 4.4 | 4.83 | - | - | 5.4 | - | - | 5.95 | 6.55 | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
73 | - | - | - | - | - | - | - | - | - | - | - | - | 8.63 | - | - | - | - | - | - | - | - | - | - | - | - | - |
76.1 | - | - | - | 5.32 | 5.84 | - | - | 6.54 | - | - | 7.21 | 7.95 | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
88.9 | - | - | - | - | 6.86 | - | - | 7.69 | - | - | 8.49 | 9.37 | - | 11.29 | - | - | - | - | - | - | - | - | - | - | - | - |
101.6 | - | - | - | - | - | - | - | 8.84 | - | - | 9.77 | 10.8 | - | 13.57 | - | - | - | - | - | - | - | - | - | - | - | |
114.3 | - | - | - | - | - | - | - | - | - | - | 11.04 | 12.2 | - | - | - | 16.07 | - | - | - | - | - | - | - | - | - | - |
127 | - | - | - | - | - | - | - | - | - | - | - | 13.6 | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
141.3 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 21.77 | - | - | - | - | - | - | - | - |
168.3 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 28.26 | - | - | - | - | - | - |
219.1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 33.31 | - | 36.81 | - | - | - | 42.55 | - | - | - |
273 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 41.75 | - | - | - | 51.01 | - | - | 60.29 | - | |
323.8 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 49.71 | - | - | - | - | - | - | 65.18 | - | 73.78 |
355.6 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 54.69 | - | - | - | - | 67.9 | - | - | - | 81.25 |