1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2006 03 17 Revised Inserted 3.0; Deleted 3.8 however, can be used to support functional rejection. 3.6 QUALITY 3.6.1 Cleanliness Must be clean and free from scale, stains, dirt, greases, oils, or foreign matter which are detrimental to fabrica
2、ting operations. (Certain lubricants not detrimental to fabricating may be used if very lightly and evenly applied). 3.6.2 Fabrication Techniques Annealing, rolling cleaning, and slitting must be in accordance with best commercial practice. 3.7 DIMENSIONAL REQUIREMENTS 3.7.1 Edgewise bend or curvature not to exceed 1/8 in (3.2 mm) in 6 ft (1830 mm) length.