Nominal Bore Pipe

Nominal Bore Pipe in stainless steel is offered by stockist NDE and distributed through seven sites across South Africa, together with a wide range of Nominal Bore Buttweld Fittings including elbows, tees, reducers and end caps.

The range stocked by NDE of Nominal Bore Pipe includes (AISI) 304/304L welded to ASTM A312 / ASME SA 312 and (AISI) 316/316L welded to ASTM A312 / ASME SA 312, in various sizes and wall thicknesses.

Nominal bore (mm)


Outside Diameter

Inside Diameter

Wall thickness


from            8            10S           13.72                  10.42                    1.65          0.49

to             600            40S          609.60                590.54                   9.53        143.20

Nominal Bore Pipe is used widely in fluid and steam transport at relatively high pressures such as in the petrochemical industry and other heavy industries including mining and large processing projects.

Also featured in NDE’s comprehensive stainless steel range are Flat Product, Sections, Pipe, Tube, Fittings and Hygienic products including the ultra-hygienic Dockweiler range.

NDE’s catalogue of stainless steel and aluminium products available in South Africa - and in Africa via NDE’s specialized export department - can be viewed on