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ASME BPVC.II values for ASTM A350 LF3 at low temperature -78 deg F/-61 deg C
We have a product (hydraulic access fitting and cover) that we as a standard deliver in ASTM A350 LF2, all caluculations are based on ASME BPVC, sec II. Now we have a case where the customer have specified the the lowest design temperature to be -78oF/-61oC, as the material engineer I have...- Sol71
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- Replies: 13
- Forum: Boiler and Pressure Vessel engineering
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NACE TM0177 Method A or C?
Hi, What criteria should I use to choose between NACE TM0177 Method A and C? The background for my question is the following: We are currently using 660 D bolts (Alloy A286/UNS S66286) on one of our subsea products, it is coated. NACE MR0175 have very conservative temperature value for the...- Sol71
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- Replies: 3
- Forum: Corrosion engineering
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Ferromagnetic or not?
Hi, I had a list of materials sent to me today with the question are the materials ferromagnetic or not? - ASTM A193 B7M, - 18-8 st steel, - BS 1449 HR4, - ASTM A216 WCB, What I have found out so far is that 18-8 stainless (ally 304) is austenitic and not ferromagnetic. ASTM A193 B/M is...- Sol71
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- Replies: 2
- Forum: Metal and Metallurgy engineering
