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General requirement of Material Specification

General requirement of Material Specification

General requirement of Material Specification

(OP)
Dear All,

Could someone help me?
Some materials of ASME or ASTM has general requirement such as SA-6/A 6; SA-20/A 20; SA-480/A 480
Is it possibble material's maker makes SA-516 Grade 70 without refer to SA-20? (or SA-240 304 without refer to SA-480)

Thanks in advance.

Best regards,

Glothex

RE: General requirement of Material Specification

SA-20 is mandatory for SA-516 Gr70. It may not be listed on the MTR,however it is a given if produced to the spec.

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