Understanding APIICP653 Reading 2-650-Selected Reading
Understanding APIICP653 Reading 2-650-Selected Reading
Understanding APIICP653 Reading 2-650-Selected Reading
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4.2.9 Impact Testing of Plates<br />
4.2.9.1 When required by the Purchaser or by 4.2.10, a set of Charpy V-notch<br />
impact specimens shall be taken from plates after heat treatment (if the plates<br />
have been heat treated), and the specimens shall fulfill the stated energy<br />
requirements. Test coupons shall be obtained adjacent to a tension-test<br />
coupon. Each full-size impact specimen shall have its central axis as close to<br />
the plane of one-quarter plate thickness as the plate thickness will permit.<br />
4.2.9.2 When it is necessary to prepare test specimens from separate<br />
coupons or when plates are furnished by the plate producer in a hot-rolled<br />
condition with subsequent heat treatment by the fabricator, the procedure<br />
shall conform to ASTM A20.<br />
Charlie Chong/ Fion Zhang
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