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TUBULAR - Coggle Diagram

- - - - WT up to and 2"(50.8mm)
        
        1% of norminal diameter
      - WT exceeding 2"(50.8mm)
        
        OoR and WT ratio: 1:8
      - Diameter exceeding 48"(1219.2mm)
        
        When circumference tolerance is maintain + - 0.25"(6.35mm)
        
        Max 0.5"(12.7mm)
  - - - 1% of norminal I.D.
    - - 0.75% of nominal I.D.
    - - +/- 15mm
- - - - 3m 이내 2개의 Seam 존재 x
      - 파이프 직경 또는 900mm 중 작은값보다 가까이 위치 x
    - - O.D. > 24"(609.6m)
      - BRACE t > 38t
      - Angle < 30
    - - D/4 or 12"(304.8mm) min.
  - - - Weld seam flush GR (6 X WT + 50mm)