Black iron is the most common material used to make gas pipes, both in interiors and exteriors. The material is strong, heat resistant and can fit together to form an airtight seal. Over time ...

The cast-iron ... fittings. The other $5 million in borrowed funds went toward steel gas main replacement work and smaller maintenance work, Suarez said. The new plastic pipes are very durable ...

The inquest at Rochdale Coroner’s Court heard that a leak from a fracture in a cast iron gas pipe close to Ms Wilcox ... when the screen suddenly went black at around 9:15pm.

CHICAGO (AP) — Peoples Gas says it plans to retire and remove the oldest gas pipe in the city of Chicago on Friday. The utility company says the 20-inch, cast-iron gas main has delivered natural ...