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Pipes confirming to ASTM-53 GR A & B

DN Outside Diameter Wall Thickness Mass of Plain End Pipe Test Pressure
Grade AGrade B
mm mm (Kg/Mtr) Mpa Mpa
1521.32.271.274.84.8
2026.72.871.694.84.8
2533.43.382.54.84.8
3242.23.563.398.39.0
4048.33.684.058.39.0
5060.33.915.4415.917.2
6573.05.168.6317.217.2
8088.95.4911.2915.317.2
90101.65.7413.5714.016.3
100114.36.0216.0713.115.2
125141.36.5521.7711.513.4
150168.37.1128.2610.512.3
200219.18.1842.559.210.8

Tolerances
Outside Diameters Pipe size up to & DN 40 +- 0.4mm
Pipe Size DN or larger +- 1%
Thickness -12.5% (max)
Weight +- 10%
Galvanizing min . 490g/sq mtr
Average 550 g/sq mtr


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