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  1. Youcef40

    Can we use the plate A283 Gr C instead of the S 275 Jr in storage tank shell repair?

    Dear HTURKAK for the remaining shell thickness, we found for shells 02 & 03 the minimum thicknesses 2.3mm, the bottom shell and the upper one shell 04 are good. the year of construction 1999.
  2. Youcef40

    Can we use the plate A283 Gr C instead of the S 275 Jr in storage tank shell repair?

    Gents, hereunder some information about our Tank, working capacity 207 m3 operating medium Aquifer Water Operating Pressure (Bar) Atm. Operating Temperature (°C) 5 to 50 Design Pressure (Bar) 0.02 to -0.005 bar Design Temperature (°C) -5 / 93 Inner Diameter (mm)7000 Height (mm) 9840...
  3. Youcef40

    Can we use the plate A283 Gr C instead of the S 275 Jr in storage tank shell repair?

    Dear Gents, A283 Grade C and S275JR are not directly interchangeable, but they are considered equivalent for certain applications. A283 Grade C is a carbon steel with good welding properties and economic usage, while S275JR is a structural steel widely used in the construction industry...
  4. Youcef40

    Using thickened sheet plates to patches shell plates courses.

    Dear Sir IFRs but I in API 653 not mentioned butt patches only lap patches, we can use butt patches on the shell course?
  5. Youcef40

    Using thickened sheet plates to patches shell plates courses.

    Dear Experts, we have an issue with the disponible of original sheet plates of 5mm thickness, in order to repair one of our storage tank shell plates. the only thickness disponible at our level is 6 mm and 8 mm. please could you advise if we can use ticked plate to patches or full replacement...

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