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c276 overlay of cast 625
I have a customer who is having using overlaying part of a Alloy 625 casting with ERNiCrMo-4 (C-276) weld wire. I don't have a lot of details but they are seeing "tearing" (cracking?) at the weld-base metal joint. I realize that's a pretty vague description but has anyone encountered a similar...- pwtomlin
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- Replies: 4
- Forum: Welding, Bonding & Fastener engineering
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PWHT loading temperature
I have a question regarding the furnace temperature when a load is placed in it for PWHT. It is generically about any stainless steel, but more specifically cast pumps/valves in CA6NM (wrought equivalent 415). Metallurgically speaking, is there anything detrimental placing a load in the...- pwtomlin
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- Replies: 1
- Forum: Metal and Metallurgy engineering
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intercritical step in heat treatment of 4330 mod
Does anyone have experience in the heat treatment of 4330 mod? Right now we're developing a heat treat procedure for a new casting and this is the first we've worked with this material. We're trying to get test bars to pass yield strength (min 130) and Charpy V-notch (min 20 ft-lbs at -40 F)...- pwtomlin
- Thread
- Replies: 3
- Forum: Metal and Metallurgy engineering
