En 20898 1

Caratteristiche meccaniche per dadi con filetto a passo grosso In questa sezione del catalogo tecnico vengono riassunte le normative riguardanti le caratteristiche meccaniche per i dadi da M1. Me si applica per temperature comprese fra -50° e 300°. Specifica le caratteristiche meccaniche dei dadi con carichi di prova determinati, verificati a temperatura ambiente (ISO ). Queste caratteristiche variano alle alte e basse temperature.

The marking dot cannot be replaced by the manufacturer’s mark. Property Class: 10.

Utilizzo: Vite testa cilindrica esagono incassato. Scribd è il più grande sito di social reading e publishing al mondo. Not applicable to set screws and similar threaded fasteners.

They might not retain the specified mechanical and physical properties at higher or lower temperatures. Superseded View Superseded By Superseded A superseded Standard is one, which is fully replaced by another Standar which is a new edition of the same Standard. Maximum hardness values have been selected for reasons other than theoretical maximum strength consideration e. BSI offers members an individual updating service called PLUS which ensures that subscribers automatically receive the latest editions of standards.

For property class A hardened wedge in accordance with Table and Table shall be placed under the head of the bolt or screw.

The non-notched side of the test piece shall be located near the surface of the bolt. ASTM A1grado Bper il tirante e il materiale ASTM A1grado 2H per i dadi in acciaio al carbonio, mentre per quelli in acciaio inossidabile (o autopassivante) la codifica ASTM è A1grado Bper i tiranti, mentre per i. ISO 8is an international standard that defines mechanical and physical properties for metric fasteners. BS EN ISO 898-specifies mechanical and physical properties of bolts, screws and studs made of carbon steel and alloy steel when tested at an ambient temperature range of °C to °C. These normative references are cited at the appropriate places in the text and the eb are listed hereafter.

Bolts, screws and studs with specified property classes. Prescrizioni tecniche, generalità. Viti e viti prigioniere. Dadi con carichi di prova determinati. Filettatura a passo grosso.

This dkn not preclude the free use, in the course of implementing the standar of necessary details such as symbols, and size, dn or grade designations. For undated references the latest edition of the publication referred to applies. Sui corsi UNITRAIN è in arrivo uno sconto imperdibile. Fino al dicembre! Valvole industriali.

It is carried out for the purpose of determining the tensile strength. Click here to.

Contact the Information Centre. Mechanické vlastnosti spojovacích součástí. Matice se stanovenými hodnotami zkušebního zatížení.

Figure — Alternative left-hand thread marking 9. Some variables, such as straightness and thread alignment plus measurement errormay result in apparent elongation of the fasteners when the proof load is initially applied. Torsionsversuch und Mindest-Bruchdrehomomente fuer Schrauben mit Nenndurchmessern mm bis mm. This standard is also available to be included in Standards Subscriptions. As the voice of the Een. Search all products by.

Egenskaberne vil ændre sig ved højere eller lavere temperaturer.