Details: erw conforming to bs-3059/part-ii steel 360/1990. amended up to date plain at ends duly ibr approved 101.6 mm od x 4.06 mm th 76.2 mm od x 4.06 mm th 76.2 mm od x 3.66 mm th 69.85mm od x 4.06 mm th 69.85 mm od x 3.66 mm th 70.0 mm od x 3.66 mm th 70.0 mm od x 4.06 mm th 63.5 mm od x 4.06 mm th 63.5 mm od x 3.66 mm th 63.5 mm od x 3.25 mm th 50.8 mm od x 4.06 mm th 50.8 mm od x 3.66 mm th 50.8 mm od x 3.25 mm th 44.45 mm od x 3.66 mm th 44.45 mm od x 4.06 mm th 38.1mm od x 4.06mm th 38.1 mm od x 3.66 mm th non ibr erw air heater tubes conforming to bs-6323 part-v 1982 suitable for boiler air heater - 63.5 mm od x 2.64 mm th non ibr erw air heater tubes conforming to bs-6323 part-v 1982 suitable for boiler air heater - 63.55 mm od x 2.34 mm th non ibr erw air heater tubes conforming to bs-6323 part-v 1982 suitable for boiler air heater - 63.5 mm od x 2.03 mm th
Sector: Cooperative Federation