Tubesheets for heat exchangers We deliver tubesheets in all common material grades (ASTM / ASME / DIN EN). Finish machined and drilled. Large discs in, Duplex, Super Duplex, Nickel alloys and Titanium grades are available.OD3500mm and 20 tons (depending on material), larger sizes on requestThickness up to 600mmWeldoverlay or explosion cladding available Futhermore we can supply tubesheets manufactured from plate material and baffle plates. Additionally we have experience in the supply of welded and seamless heat exchanger tubes . Check our available material grades.