Calculation of wall thickness / operating pressure

Longitudinally welded stainless steel pipes under internal overpressure according to AD 2000 Data Sheet, Annex B1.

Wall thickness [s]

Pipe diameter [D]
mm
Operating overpressure [P]
bar
Strength value [K]
Safety value [S]
1,5
Welding seam factor [v]
Wall thickness allowance [c0]
Corrosion allowance [c1]

Operating pressure [P]

Pipe diameter [D]
mm
Wall thickness [s]
mm
Strength value [K]
Safety value [S]
1,5
Welding seam factor [v]
Wall thickness allowance [c0]
Corrosion allowance [c1]

Strength values in N/mm2, for stainless steel materials 4541 according to DIN 17 440.
According to AD data sheet W2/1.90, the 1% elastic limit shall apply for calculations.