1 Scope
This European Standard specifies the following materials for the pressure bearing
parts of shell boilers and equipment of shell boilers (e.g. valves), subjected to
internal and external pressure including integral attachments (non pressure bearing
parts):
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— flat products (plate) and parts formed from flat products (e.g. shell, furnace, dished
ends);
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— tubes and parts formed from tubes (e.g. bending, elbows, reducers, fittings);
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— forgings and cast products;
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— bolting materials;
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— welding consumables.