Dear Experts, What shall be the minm. qualified thk. range if PQR is qualified with 6 mm. Nom. thk. with Notch toughness properties. Will it be 3 mm. or 6 mm. as per QW-403.6 of ASME Sec. IX? Further, suppose If I shall qualify this procedure on 5 mm. thk. PQR test coupon (machined from 6 mm. thk.), which thickness shall I have to consider for temperature reduction during subsize test specimen testing? Will it be 5 mm.(actual thk.) or 6 mm. (nom. thk.)? Awaiting your experts' opinion at the earliest. Thanks & regards, C. R. GANDHI |
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