Materials and Qualification Procedures for Ships Procedure 7-1 Approval of a Foundry for the Manufacture of Iron Castings 1 Introduction 1.1 Application for approval 1.1.1 In order that consideration may be given to approval of a foundry for the manufacture of iron castings, the local Surveyors are to submit a report to Materials and NDE Department, giving the information listed in Sections 2 and 3 and the results of approval tests carried out under their survey. 1.1.2 The names of approved works will appear in LR's List of Approved Manufacturers of Iron Castings which is published on the intranet. 1.1.3 Approved works will be subject to periodic inspection (see Procedure 1-1). 1.2 Scope 1.2.1 The procedure applies to the manufacture of general types of castings in flake (grey) or spheroidal graphite (nodular) iron. The castings include valve bodies, cylinder liners, etc. 1.2.2 Additional tests are required for iron castings for crankshafts (see Procedure 7-2). 1.3
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