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Hexagon nut ISO-Metric thread, for pressure vessels ISO 4032 Steel Hot dip galvanized 5-2 ISO metric, for pressure vessels

Article number
Class 5-2
Driving features Hexagon
Material Steel
Thread direction Right
Surface treatment Hot dip galvanized
Thread Metric thread
Info Specific features of fasteners for pressure vessels:
  • Intended for use in pressure vessels, steam appliances, equipment and flange connections at temperatures from -10 °C up to +300 °C.
  • Meets the requirements of AD2000-W7, TRD106 and DIN 267-13.
  • Manufacturers included in VdTÜV-Merkblatt 1253/4 are entitled to replace a certificate EN 10204 3.1 by marking the fasteners with the property class and the manufacturer’s mark. This recognition is equally accepted by Lloyd's Register Energy.
  • ISO metric hot dip galvanized nuts are manufactured with thread tolerance class 6H and mate with externally threaded parts (bolts, threaded rods) that are manufactured with thread tolerance class 6az before coating.
  • As the nut thread is tapped after galvanizing the threads are not coated. The corrosion resistance however is not influenced disadvantageously as the thread will be protected by the zinc layer of the mating part.ISO metric, for pressure vessels
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Specifications

Class 5-2
Driving features Hexagon
Material Steel
Thread direction Right
Surface treatment Hot dip galvanized
Thread Metric thread
Info Specific features of fasteners for pressure vessels:
  • Intended for use in pressure vessels, steam appliances, equipment and flange connections at temperatures from -10 °C up to +300 °C.
  • Meets the requirements of AD2000-W7, TRD106 and DIN 267-13.
  • Manufacturers included in VdTÜV-Merkblatt 1253/4 are entitled to replace a certificate EN 10204 3.1 by marking the fasteners with the property class and the manufacturer’s mark. This recognition is equally accepted by Lloyd's Register Energy.
  • ISO metric hot dip galvanized nuts are manufactured with thread tolerance class 6H and mate with externally threaded parts (bolts, threaded rods) that are manufactured with thread tolerance class 6az before coating.
  • As the nut thread is tapped after galvanizing the threads are not coated. The corrosion resistance however is not influenced disadvantageously as the thread will be protected by the zinc layer of the mating part.ISO metric, for pressure vessels

Standards

ISO 4032

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