ISO 683-5-2017 pdf free download

ISO 683-5-2017 pdf free download.Heat treatable steels, alloy steels and free-cutting steels Part 5:Nitriding steels
Aciers pour traitement thermique, aciers allies et aciers pour décolletage — Partie 5: Aciers pour nitruration.
7.7.2 Minor surface imperfections which may occur under normal manufacturing conditions, such as prints originating from rolled-in scale, are not to be regarded as defects.
7.7.3 Bars and wire rod are delivered with surface class 1z2 in accordance with ISO 9443 and hot-rolled plates and wide flats shall be delivered with a surface in accordance with ISO 7788, unless otherwise agreed at the time of enquiry and order.
Where no International Standard on the surface quality of steel products exists, detailed requirements referring to this characteristic shall, where appropriate, be agreed at the time of enquiry and order.
ft is more difficult to detect and eliminate surface discontinuities from coiled products than from cut lengths. This should he taken into account when agreements on surface quality are made.
NOTK Bars and wire rod for cold heading and cold extrusion are covered fully by ISO 4954.
7.7.4 The removal of surface defects by welding shall only be permitted with the approval of the customer or his/her representative.
If surface discontinuities are repaired, the method and maximum depth of removal shall be agreed at the time of enquiry and order.
7.8 Decarburlzatlon
Requirements relating to the permissible depth of decarburization may be agreed at the time of enquiry and order.
The depth of decarburization shall be determined in accordance with the micrographic method specified in ISO 3887.
7.9 Shape, dimensions and tolerances
The shape, dimensions and tolerances of the products shall comply with the requirements agreed at the time of enquiry and order. The agreements shall, as far as possible, be based on corresponding International Standards (see AnnxD), otherwise on suitable national standards.
8 Inspection
8.1 Testing procedures and types of documents
8.1.1 ProducLs complying with this document shall be ordered and delivered with one of the inspection documents as specified in ISO 10474.ISO 683-5-2017 pdf free download.