NORMA ASTM A351

Standard Specification for Castings, Austenitic, Austenitic-Ferritic (Duplex), for Pressure-Containing Parts

3. General Conditions for Delivery
3.1 Material furnished to this specification shall conform to the requirements of Specification A 703/A 703M, including any supplementary requirements that are indicated in the purchase order. Failure to comply with the general require-ments of Specification A 703/A 703M constitutes nonconfor-mance with this specification. In case of conflict between the requirements of this specification and Specification A 703/ A 703M, this specification shall prevail.

3.2 The post weld heat treatment requirements of Supple-mentary Requirement S11 may be specified when austenitic castings other than HK, HT, or CT1 5C are to be subjected to severe corrosive service.

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