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  • Users: Aloni
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  1. Aloni

    Welding inconel 800 ring to 516gr70 body flange

    Dear expert I need to design a pressure vessel Design pressure is 13.5 barg @ 350°c (195 psig@650°f) My main concern is the body flange connection. I have 2 option.. one : is the to do an overlay with alloy 82 to the body flange 115 mm thk (about 5 mm thk overlay) Second: is to weld inconel 800...
  2. Aloni

    welding 304L to 304L with 316L filler metal

    Dear experts, As far as I know when welding 304L to 304L the filler metal should be 308L. My question is : can I weld 304L to 304L with filler metal 316-L ? It’s a pressure vessel working in a full vacuum and + 0.7 barg at 250 ºc. Material inside the vessel is not corrosive and suitable both...
  3. Aloni

    904-L reactor

    Hello everyone I need guidance in choosing a welding material for welding Half pipe jacket reactor . The reactor made of 904-L and the half pipe jacket made of 304-L(Contains steam at 160 °c) What is the recommended welding material 904-L or 304-L Thanks Aloni
  4. Aloni

    904-L reactor

    Hello everyone I need guidance in choosing a welding material for welding Half pipe jacket reactor . The reactor made of 904-L and the half pipe jacket made of 304-L(Contains steam at 160 °c) What is the recommended welding material 904-L or 304-L Thanks Aloni
  5. Aloni

    pad lugs Ring Girder .

    Hi to all, I need to design a stainless steel pressure vessel with carbon steel lugs Ring Girder . Usually when design lug on a vessel it is possible to add a pad, But in lugs Ring Girder I cannot find any guidance how to calculate the pad. I have search Bednar I use compress and pvelite, both...
  6. Aloni

    pad lug Ring Girder Supports

    https://res.cloudinary.com/engineering-com/image/upload/v1574506301/tips/vessel_nlmi00.pdfHi to all, I need to design a stainless steel pressure vessel with carbon steel lugs Ring Girder (see att file). Usually when design lug on a vessel it is possible to add a pad, But in lugs Ring Girder I...
  7. Aloni

    half pipe jacket on a cone

    hi to all, I need to design a conical pressure vessel with half pipe jacket. The conical vessel is with full vacuum and the half pipe jacket is with 3 barg. Is there any code regarding this issue? According to AD-2000 B6 (Cylindrical shells subjected to external pressure) the code referring to...
  8. Aloni

    lugs

    Hi to all I need some guidance or direct me to a literature calculating lugs that are not directly mounted on the reactor Due the half pipe jacket as shown in the attached file regards Alonihttp://files.engineering.com/getfile.aspx?folder=eccef693-49d5-42ff-b8bb-33ecaaf9a080&file=ex.pdf
  9. Aloni

    Leg Reinforced plate

    Hi to all Does the reinforced plate between vessel wall and leg need to be from the same material from the point of view of stresses Vessel wall is c-276 and reinforced plate is 304-l Thanks
  10. Aloni

    body flange is being counted as a line of support for external pressure

    hi to all My question is why in older version (2007) compress take into account the body flange (Lap joint loose) is being counted as a line of support for external pressure and in 2014 version it doesn't
  11. Aloni

    316-L weld ability to hastelloy c-276

    Hi to all We are intending to manufacture hastelloy c-276 reactor with stainless steel 316-L half pipe jacket. Design Condition in the c-276 vessel: -1+3 barg @ 200 Celsius Design Condition in the 316-L half pipe jacket: +9 barg @ 200 Celsius We know that the optimal way to weld the 316L to...

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