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Sour Service Guided Bend Test
CSA Z245.1 specifies that ERW pipe must pass a root guided bend test in order to be qualified for sour service. My question is: why is a root guided bend test necessary for sour service qualification? Background: In the process of converting an existing Grade 359 Cat II pipeline for sour...- mcsteel
- Thread
- Replies: 5
- Forum: Metal and Metallurgy engineering
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A335-P22
My concern is whether or not to preheat pipe before thermal cutting. As per API 582: 8 Preheating and Interpass Temperature 8.1 Preheating, where required, applies to all welding, tack welding, and thermal cutting of ferritic steels except for thermal cutting of P1 materials. Minimum preheat...- mcsteel
- Thread
- Replies: 9
- Forum: Metal and Metallurgy engineering
