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Material Grade, Temper, and Condition Callouts Before a CNC RFQ
“Aluminum,” “stainless,” or “PEEK” is not a complete material requirement for a CNC quotation. A useful CNC RFQ material callout identifies the grade, metallurgical or polymer condition, product form, governing specification, required evidence, and rules for substitution. Those details influence stock availability, mechanical properties, residual stress, cutting behavior, dimensional stability,