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Hexagon nut ISO 4032, A4-70 stainless steel, plain, for pressure container construction
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Hexagon nuts for pressure vessel construction in accordance with AD regulations. The AD 2000 Code of Practice documents are created by the "Working Group for Pressure Vessels".
- Fulfils the conditions of the "AD 2000 Code of Practice W 7/2" (formerly "W 2") with regard to waiving of test certificate 3.1 in accordance with DIN EN 10204 (see VdTÜV data sheet 1253/4).
"VdTÜV data sheet 1253/4" contains the bolt and nut manufacturers inspected by an expert from the German Technical Supervisory Organisation (TÜO). The products are labelled with the manufacturer's code and strength class
ISO 4032 replaces DIN 934 | There is no similarity | Nominal diameter changed | Some nut heights changed | Width across flats changed for M10, M12, M14, M22 | Only for standard thread | Fine thread moved to ISO 8673.
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