BS EN 13445-4 , ساخت مخازن تحت فشار

دانلود استاندارد EN 13445-4

BS EN 13445-4 : Unfired pressure vessels _ Part 4: Fabrication

دانلود آخرین ویرایش استاندارد EN 13445-4 (استاندارد طراحی ، ساخت و بازرسی مخازن تحت فشار – پارت 4 : ساخت و FABRICATION)

فهرست استاندارد :

  • 1 Scope
  • 2 Normative references
  • 3 Terms and definitions
  • 4 Requirements for manufacturing and subcontracting
  • 5 Materials
  • 6 Manufacturing tolerances
    ( Surface geometry of welds , Middle line alignment ,Surface alignment ,Surface misalignment between parts , Joining of parts of different thickness , Tolerances for vessels subjected to internal pressure , External diameter , Out of roundness , Deviation from the longitudinal axis , Irregularities in profile ,Local thinning , Dished ends , Tolerances for vessels subjected to external pressure , Structural tolerances )
  • 7 Weld details
  • 8 Welding
    ( Welding procedure specification (WPS) , (WPQR) , Qualification of welders and welding operators , Filler metals and auxiliary materials ,Joint preparation , Execution of welded joints , Attachments, supports and stiffeners , Preheat , Permanent joints other than welding ,Mechanical roller expansion , Brazing )
  • 9 Manufacture and testing of welds
    ( Production test , Extent of testing , Performance of tests and acceptance criteria , Transverse tensile test , Longitudinal weld tensile test, Impact test , Bend test , Macro examination ,Micro examination , Hardness test , Test report)
  • 10 Forming of pressure parts
    ( Cylinders and cones made by rolling , Tube bends , Forming procedures , Cold forming , Hot forming , Heat treatment of flat products after cold forming ,Heat treatment of tubular products after cold forming, Heat treatment of clad steels after cold forming ,Heat treatment after hot forming , Heat treatment of clad steels after hot forming ,Sampling of formed test coupons , Hot formed or cold formed products with heat treatment , Tests , Base material , Butt welds , Retests of formed coupons , Visual inspection , Marking ,Documentation )
  • 11 Post weld heat treatment (PWHT)
    ( Heat treatment conditions , Method of PWHT , PWHT procedure , Mechanical properties after heat treatment ,Dissimilar ferritic joints , Special materials , Heat Treatment for reasons other than welding )
  • 12 Repairs
  • 13 Finishing operations
  • ANNEXES
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