ASTM A453 PDF EDITION 2021 | TORQBOLT P(LTD) CATLOG

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ASTM A453 Specification describes detailed requirements of grade 660 in class A,B,C & D. A453 Specification covers grade 660 bolting material with two classes of yield strength viz. 85 ksi & 100 ksi [585 & 725 MPa] respectively for use in high temperature service for bolting components such as bolts, screws, nuts, stud bolts & various other fasteners for pressure vessel and valve flanges. – https://astma453grade660.com/

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