Understanding API ICP653 Reading 15-Worksheet-11a
Q44. A repair organization has a WPS which states it is qualified far P-6 (Martensitic/Ferritic SS) to P-8 material (Austenitic SS) welded with either E308, E308L, E309, E316, electrodes (SMAW process). The PQR, supporting this WPS, states the weld test coupons were SA-240 Type 304L material (P8, γ SS), welded with E308 electrodes. Is the WPS properly qualified for the base material listed? A. Yes B. No C. Nat enough information given D. Yes, if properly heat treated ANS: b? P8-P8 coupons Charlie Chong/ Fion Zhang
QW-424 Base Metals Used for Procedure Qualification QW-424.1 Base metals are assigned P-Numbers in table QW/QB-422; Metals that do not appear in table QW/QB-422 are considered to be unassigned metals except as otherwise defined for base metals having the same UNS numbers. Unassigned metals shall be identified in the WPS and on the PQR by specification, type and grade, or by chemical analysis and mechanical properties. The minimum tensile strength shall be defined by the organization that specified the unassigned metal if the tensile strength of that metal is not defined by the material specification. Charlie Chong/ Fion Zhang
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Q44. A repair organization has a WPS which states it is qualified far P-6<br />
(Martensitic/Ferritic SS) to P-8 material (Austenitic SS) welded with either<br />
E308, E308L, E309, E316, electrodes (SMAW process).<br />
The PQR, supporting this WPS, states the weld test coupons were SA-240<br />
Type 304L material (P8, γ SS), welded with E308 electrodes. Is the WPS<br />
properly qualified for the base material listed?<br />
A. Yes<br />
B. No<br />
C. Nat enough information given<br />
D. Yes, if properly heat treated<br />
ANS: b? P8-P8 coupons<br />
Charlie Chong/ Fion Zhang
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