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General requirement of Material Specification

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glothex

Mechanical
Joined
Aug 9, 2001
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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
 
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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