Adjuster forks may be used for wire or rod systems.
The breaking loads of the forks will be in excess of the wire breaking loads when fitted in a swage termination with the normal screw thread as used for Petersen Stainless Rigging fittings.
When rods are used, it is necessary to consider the breaking loads and yield points (Rp 0.2) of the rods and of the fittings.
Austenitic stainless steel is quite soft in the annealed condition from which end fittings are manufactured. The rods themselves, although made of the same material, may be a great deal tougher due to work hardening when the rods are drawn at the mill. The yield point may be three times that of the end fittings.
If a structure is designed using such rods it will be necessary to consider the yield point of the end fittings.
There are three possibilities :
Petersen Stainless Rigging Limited can give details of the cross sectional areas of the fittings and the rods and are able to produce the end fittings according to either of the three options.
Disclaimer;
Petersen Stainless Rigging does not offer an engineering service for the specification of structures. An engineer should always be employed to approve your calculations. We can put you in touch with specialists who will undertake this service. Contact us for more information.
In these notes we are outlining the products that we are able to offer the engineer or contractor in formulating a solution to a construction problem. Petersen Stainless Rigging Limited does not itself offer a design or contracting service.
Petersen Stainless Rigging Limited, Cowen Road, Blaydon-on-Tyne, Tyne & Wear, NE21 5TW, UK
Tel: +44 (0)191 4140156 Fax: +44 (0)191 4990041
All rights reserved. Copyright Petersen Stainless Rigging Limited 2007
Last Update Made on :
Version Number 2001.1
