1、 ENGINEERING MATERIAL SPECIFICATION Material Name Specification Number Date Action Revisions 2002 09 30 Revised Updated and renumbered 1992 02 03 NL00E00893603 3.3.1, 3.3.2, 3.3.3, or in the case of a curved-mold caster the top mid-radius position. Polished samples are to be examined in accordance w
2、ith the above standard. 4. GENERAL INFORMATION The information below is provided for clarification and assistance in meeting the requirements of this specification. Copies of the reference photographs, if needed, can be obtained from the affected product engineering office. They should be used as guidelines for establishing acceptance criteria until actual photographs (or sulphur prints) of production material are developed by the approved source.