50 mm is minimum, only if you dont have space, for pipes up to 4" i advise you to go 75-100 mm, and for diameters above 4" use 1x Pipe Dia.
Junior Member
50 mm is minimum, only if you dont have space, for pipes up to 4" i advise you to go 75-100 mm, and for diameters above 4" use 1x Pipe Dia.
Junior Member
As per ASME B31.3 para 341.4.1.6.B " when a circumferential weld with an interesting longitudinal weld is examined, at least the adjacent 38mm(1.5 Inch) , of each interesting weld shall be Examined"
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