Projekta Nr.ISO 4042:2018
Nosaukums<p>This document specifies requirements for electroplated coatings and coating systems on steel fasteners. The requirements related to dimensional properties also apply to fasteners made of copper or copper alloys.</p> <p>It also specifies requirements and gives recommendations to minimize the risk of hydrogen embrittlement; see 4.4 and Annex B.</p> <p>It mainly applies to zinc and zinc alloy coating systems (zinc, zinc-nickel, zinc-iron) and cadmium, primarily intended for corrosion protection and other functional properties:</p> <p>— with or without conversion coating;</p> <p>— with or without sealant;</p> <p>— with or without top coat;</p> <p>— with or without lubricant (integral lubricant and/or subsequently added lubricant).</p> <p>Specifications for other electroplated coatings and coating systems (tin, tin-zinc, copper-tin, copper-silver, copper, silver, copper-zinc, nickel, nickel-chromium, copper-nickel, copper-nickel-chromium) are included in this document only for dimensional requirements related to fasteners with ISO metric threads.</p> <p>This document applies to bolts, screws, studs and nuts with ISO metric thread, to fasteners with non-ISO metric thread, and to non-threaded fasteners such as washers, pins, clips and rivets.</p> <p>Information for design and assembly of coated fasteners is given in Annex A.</p> <p>This document does not specify requirements for properties such as weldability or paintability.</p> <p>NOTE Other International Standards specify differing electroplating processes. For electroplating of fasteners, the requirements of this document apply, unless otherwise agreed.</p>
Reģistrācijas numurs (WIID)69348
Darbības sfēra<p>This document specifies requirements for electroplated coatings and coating systems on steel fasteners. The requirements related to dimensional properties also apply to fasteners made of copper or copper alloys.</p> <p>It also specifies requirements and gives recommendations to minimize the risk of hydrogen embrittlement; see 4.4 and Annex B.</p> <p>It mainly applies to zinc and zinc alloy coating systems (zinc, zinc-nickel, zinc-iron) and cadmium, primarily intended for corrosion protection and other functional properties:</p> <p>— with or without conversion coating;</p> <p>— with or without sealant;</p> <p>— with or without top coat;</p> <p>— with or without lubricant (integral lubricant and/or subsequently added lubricant).</p> <p>Specifications for other electroplated coatings and coating systems (tin, tin-zinc, copper-tin, copper-silver, copper, silver, copper-zinc, nickel, nickel-chromium, copper-nickel, copper-nickel-chromium) are included in this document only for dimensional requirements related to fasteners with ISO metric threads.</p> <p>This document applies to bolts, screws, studs and nuts with ISO metric thread, to fasteners with non-ISO metric thread, and to non-threaded fasteners such as washers, pins, clips and rivets.</p> <p>Information for design and assembly of coated fasteners is given in Annex A.</p> <p>This document does not specify requirements for properties such as weldability or paintability.</p> <p>NOTE Other International Standards specify differing electroplating processes. For electroplating of fasteners, the requirements of this document apply, unless otherwise agreed.</p>
StatussAtcelts
ICS grupa21.060.01