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Our pressure vessel grades are unique in their ability to withstand high pressure at different temperatures. The range of weldable fine grain steels, normalised according to EN 10028-3:2009, provide good weldability, as well as excellent toughness, and are suitable for normalisation annealing and stress-relief annealing (both treatments neutralise local hardening caused by welding).
These steels for pressure vessels and boilers differ from other carbon-manganese structural steels due to their high resistance to pressure at all temperatures (ambient, low or high).