ASTM A312/A312M-19 pdf download

09-27-2020 comment

ASTM A312/A312M-19 pdf free download. Standard Specification for Seamless, Welded, and Heavily Cold Worked Austenitic Stainless Steel Pipes.PS:ASTM A312/A312M-19 replaced ASTM A312/A312M-16.
ASTM A312/A312M-19 covers seamless, straight-seam welded, and heavily cold worked welded austenitic stainless steel pipe intended for high-temperature and general corrosive service.
Grades TP304H, TP309H, TP309HCb, TP310H, TP310HCb, TP316H, TP321H, TP347H, and TP348H are modifications of Grades TP304, TP309Cb, TP309S, TP310Cb, TP310S, TP316, TP321, TP347, and TP348, and are intended for service at temperatures where creep and stress rupture properties are important.
Optional supplementary requirements are provided for pipe where a greater degree of testing is desired. These supplementary requirements call for additional tests to be made and, when desired, it is permitted to specify in the order one or more of these supplementary requirements.
General Requirements
5.1 Material furnished under this specification shall conform to the applicable requirements of the current edition of Specification A999/A999M unless otherwise provided herein.
Product Analysis
For all pipe NPS 5 and larger in nominal size there shall be one product analysis made of a representative sample from one piece for each ten lengths or fraction thereof from each heat of steel.
For pipe smaller than NPS 5 there shall be one product analysis made from ten lengths per heat of steel or from 10 % of the number of lengths per heat of steel, whichever number is smaller.
Individual lengths failing to conform to the chemical requirements specified in Section 7 shall be rejected.
Keywords:austenitic stainless steel; seamless steel pipe; stainless steel pipe; steel pipe; welded steel pipe.

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