Black Steel Pipe Vs Galvanized Steel Pipe
Black steel pipe is non-galvanized steel pipe. Black steel pipe, its name comes from the scaly, dark-colored iron oxide coating on its surface. Black steel pipe is a common iron pipe with no surface treatment.
Galvanized pipe, also known as galvanized steel pipe, is divided into hot-dip galvanizing and electro-galvanizing. The hot-dip galvanizing layer is thick, with uniform plating, strong adhesion and long service life. The cost of electroplating is low, the surface is not very smooth, and its corrosion resistance is much worse than that of hot-dip galvanized pipes. After the black iron pipe is galvanized, it is called a galvanized pipe.
- Service life: galvanized pipe has the advantages of uniform coating, strong adhesion and long service life. The performance of galvanized pipe is superior to other common steel pipes. Next we will introduce the galvanized steel pipe and the use of galvanized pipe.
- Uses: black steel pipe tend to erode more easily than galvanized pipe and on account of this, it is more suitable for transporting gas and galvanized pipe is fit for carrying water instead of gas. Black steel pipes, are not suitable for water transport. Black steel pipes are tending to corrode in water and mineral of the pipe will dissolve into the water and clog the line as well.
- Price: galvanized steel pipe is more expensive and more durable since galvanized pipe has a zinc coating while black pipe does not. Galvanized pipe covered with a layer of zinc which makes it have higher ability of corrosion protection and help to prevent the accumulation of mineral deposits that will block the pipe. So galvanized steel pipe is more suitable for carrying water instead of gas.
- Color: black steel pipe is flat black and galvanized pipe is silver and gray. Black steel pipe is darker than galvanized pipe. Black pipe is made of steel as is galvanized pipe. The difference is that galvanized pipe is coated with zinc, while black pipe is not. The surface of the galvanized pipe is silver. The surface of the black steel pipe is black.
Source: China Steel Pipe Manufacturer – Yaang Pipe Industry Co., Limited (www.steeljrv.com)
(Yaang Pipe Industry is a leading manufacturer and supplier of nickel alloy and stainless steel products, including Super Duplex Stainless Steel Flanges, Stainless Steel Flanges, Stainless Steel Pipe Fittings, Stainless Steel Pipe. Yaang products are widely used in Shipbuilding, Nuclear power, Marine engineering, Petroleum, Chemical, Mining, Sewage treatment, Natural gas and Pressure vessels and other industries.)
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