1 Scope
This European Standard specifies the requirements for the product forms for use in pressure parts of watertube boilers and for parts welded on to pressure parts:
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— plates;
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— wrought seamless tubes;
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— electrically welded tubes;
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— submerged, plasma and TIG arc-welded tubes;
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— forgings;
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— castings;
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— rolled bars;
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— welding consumables;
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— fasteners;
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— seamless composite tubes.