TYPE TESTING for GAS PIPES to be performed by the PIPE PRODUCER CHARACTERISTIC FREQUENCY LAB Appearance and colour 2 D per size group Bodycote Geometrical 2 D per size group Bodycote Circumferential reversion 2 D per size group Bodycote Hydrostatic strength, 20°C, 100 h 2 D per size group Bodycote Hydrostatic strength, 80°C, 165 h 1 D per size group Bodycote Hydrostatic strength, 80°C, 1 000 h 2 D per size group Bodycote Rapid crack propagation 1 D per size group Bodycote Slow crack growth (Notch) 2 D per size group Bodycote OIT 2 D per size group Bodycote MFR 2 D per size group Bodycote Longitudinal reversion 2 D per size group Bodycote Resistance to weathering 2 D per size group Bodycote Marking 2 D per size group Bodycote Tensile strength for butt fusion 1 D per size group Bodycote BACK