nuffnang

Search This Blog

Tuesday, December 29, 2009

MATERIAL IDENTIFICATION AND MARKING PROCEDURE

 1.1 SCOPE 

This specification describes the requirement of material identification and marking procedure.

2.0 MATERIAL IDENTIFICATION AND MARKING

2.1 The material identification shall be carried out in order to :-
    i) Confirm that the material to be used shall comply with the Mill Certificate.
    ii) Identify the individual primary component (i.e. shell plate, roof plate and bottom plate) so that it can be traced back to the Mill Certificate later after shop fabrication. This shall be documented in the Inspection Record.

2.2 The following identification mark shall be used :-
     i) Mill marking which consists of heat number, size, plate number, etc. This marking shall be stenciled or stamped on the material by the Mill.
    ii) Code marking which consists of tank number, drawing number, part number and serial piece number. The code marking shall correspond to the Mill Certificate as documented in the Inspection Record.

1 comment: