MODUK DEF STAN 02-768 PDF

This NES covers the requirements for the fabrication, joining and repair of structures and associated components and castings produced in the following MOD(PE) SSC approved aluminium alloys.

a. aluminium alloy plate strip and sheet to BS 1470 - type 5083;

b. bars, extruded round tubes and sections to BS 1474 - type 5083;

c. castings to BS 1490 alloy LM6.

NOTE: Attention is drawn to NES 155 Part 1 regarding the use of aluminium for ships structure ie it is a non preferred material.

It also includes the requirements and guidance on materials, material handling, storage and processing, design of welded joints, drawing preparation and quality control and inspection.

The fabrication and joining of pipework systems is not covered by this NES, reference is to be made to NES 743 Parts 1-4 Manipulation of Pipework Systems for these applications.