دانلود کتاب قوانین ABS برای مواد و جوش – قسمت 2

Materials are to be suitable for their intended application in accordance with the following goals and support the Tier I goals listed elsewhere in the Rules.
MAT 1 The selected materials’ physical, mechanical, and chemical properties are to meet the design requirements appropriate for the application, operating conditions, and environment. MAT 2 The manufacturing process is to be capable of producing products to meet the specified quality and property requirements. MAT 3 The fabrication and welding process is to be capable of producing products that meets the specified quality and property requirements. The goals in the cross-referenced Rules are also to be met.
Commentary:
i) In general, satisfying the MAT 1 goal is the Designer’s responsibility, who selects the material grade/ specification suitable for the loads, operating conditions, and the environment. An order is issued to the manufacturer to procure the products in accordance with the material specification. In some cases, an experienced manufacturer may assist the designer in selecting the appropriate material. ii) Alternative manufacturing methods can be applied to meet the specified quality and property requirements. iii) Material specifications include requirements for manufacturing process, chemistry, heat treatment, mechanical properties, surface & internal quality requirements and any other relevant details. iv) Refer to Appendix 2-A1-2 for Physical, Chemical, Mechanical Properties that may be considered during material selection and design assessment.