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Figure 5.19 API-650

Monday, August 14, 2017   By: Javed Nasir [1566] 1 Stars
What is the minimum fillet weld size requirement for welding the roof nozzles with Slip On Flanges as per Figure 5.19?

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Monday, August 14, 2017   By: davidr@fast.net [39] 5 Stars
In general, when the leg length is not included I assume the intent is a full-size fillet weld and I would use full-fillet welds if there will be piping attached to the nozzle. If the flange is not used for piping, but used only for instruments, smaller welds would be OK in my opinion, and some owners specify an outside weld only. For a gauge hatch I think owners would accept a 1/4 inch weld inside and outside.

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Friday, August 18, 2017   By: Tankee [235] 4 Stars
I always fall back to this definition in API 650:
5.1.1.5 full-fillet weld A fillet weld whose size is equal to the thickness of the thinner joined member.

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