1 Scope
1.1 This part of EN 10253 specifies the technical delivery requirements for seamless and welded butt- welding
fittings (elbows, concentric and eccentric reducers, equal and reducing tees, caps)
made of austenitic and austenitic–ferritic (duplex) stainless steel without specific
inspection requirements.
It specifies:
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— steel grades;
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— mechanical properties;
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— dimensions and tolerances;
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— requirements for inspection and testing;
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— inspection documents;
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— marking;
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— handling and packaging.