ABS pipe is black rigid, non-pressurized plastic pipe. If your pipe is flexible or made of metal, such as copper, iron or galvanized steel, or carries pressurized water, it is not ABS pipe.
Qualifying ABS pipe was first manufactured in 1984. If your plumbing is older than 1984, it cannot have the qualifying ABS pipe.
Remember: Not all pipe manufactured by the defendant manufacturers during the period will crack and result in leaks. You may have pipe manufactured by one or more of the defendants that will not leak.
Wastewater typically travels through ABS pipe (a), cast iron pipe (b), or galvanized pipe (c). ABS pipe is the pipe proffered in most new construction because of its low cost and ease of installation. Cast iron pipe, while most often found in older homes, is still used today for more expensive homes because it is quieter than ABS pipe, and therefore you will not hear the sound of water flowing through it. Galvanized pipe is sometimes used in conjunction with cast iron pipe for vents and smaller drain lines.

ABS pipe is black rigid, non-pressurized plastic pipe used to drain your sinks, tubs, showers, toilet and washing machines. It is also used to vent the drain and waste pipes.
Inplex custom manufactures ABS tubing and ABS pipe with dimensions from .ABS pipe is marked on the outside wall of the pipe. The markings include the name of the manufacturer, references to code specifications and a date code. The date code, when translated, reveals the date the pipe was manufactured. Here are examples of how the pipe is marked:
050-inch ID to 4.220-inch OD. ABS tubing made of a non-toxic grade material is frequently used in the food industry. Tubing and pipe can be colored with stock colors or critically matched to a color standard. Tubing can be cut to length, coiled or wound on a reel and packaged as required. In-line fabrication is performed to drill, cut punch, and assemble as needed.