black steel pipe


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black steel pipe

Uncoated steel pipe, called “black” because of the dark-colored iron-oxide scale formed on its surface; usually used for low-pressure hot-water heating pipes.
References in periodicals archive ?
On the advice and recommendation of CDA, the hospital opted to go with a copper piping system instead of black steel pipe.
Underfloor heating manifold,approximately 1 500 meters copper pipe in nominal diameters from DN 15 to DN 50,approximately 815 m black steel pipe in nominal diameters from DN 15 to DN 100,250 m refrigerant pipe in nominal sizes DN 15 DN am 25thDisassembly Gas boiler 108 kW with external stainless steel chimney,Heating distributor with 10 nozzles,about 630 m heating pipe (copper and steel pipe) with insulation in nominal diameters from DN 15 to DN 65,approximately 33 radiators.
Hot water tank 1000 l,750 m black steel pipe, connection by welding,10000 m precision steel pipe, galvanized, connection by pressing,300 pcs.
The advertised here contract includes the construction of a heating system consisting of - Dismantling and disposal of approximately 800 m piping DN 32 - DN 150,- 3 pieces of heating distributor, about 15 heating pumps, heating valves 150,- Approximately 5,000 m black steel pipe DN 15 - DN 125 without insulation,- About 310 pieces of steel tube radiators including thermostatic valves provide and install.
Procurement Supply Black Steel Pipe, Hot Rolled, En 10297-1 or Equivalent Diameter Between 63-219 Mm, Longitudinally Welded Steel Pipes, Galvanized Stas 7656-90 or Equivalent Diameters Between 1-4 Inches