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Pipe Knowledge

Concrete Coated Pipe – Submarine Pipeline

Concrete coated pipe also called concrete weight coating pipe (CWC pipe), it is the steel pipe external with concrete weight coating (Mixed with cement, aggregates, reinforced steel mesh and water), to provide the strong downward force protection or a negative buoyancy for the pipelines. This pipe is commonly used in sub-sea (submarine) pipelines, with adding […]

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What is OCTG? It includes Drill Pipe, Steel Casing Pipe and Tubing

OCTG is the abbreviation of Oil Country Tubular Goods, it mainly refers to the piping products that applied in the oil and gas production (drilling activities). OCTG pipe normally is manufactured based on API or related standard specifications. It also could be taken as a collective name of Drill pipe, Steel Casing Pipe and Tubing […]

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API Coupling and Threads for Casing and Tubing

API Coupling refers to the steel couplings that used in connecting casing pipe and tubing. Also known by OCTG coupling, it is usually manufactured in seamless type, material grade same with the pipe body (API 5CT K55/J55, N80, L80, P110 etc), same PSL or providing higher grades than requested. Same heat treatment also applicable, except […]

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Steel Pipe Pile – Good Foundation Piling Material

Steel pipe pile is a type of steel piling material. It is usually referred to the carbon steel pipe manufactured in seamless or welded (SSAW or LSAW), used for supporting and stabilizing the foundation of a building. So a pipe pile is a structural construction material. Pipe pile applications Steel pipe pile is a most […]

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Fire Sprinkler Pipe and Fittings – Material Specification

Fire sprinkler pipe and related fittings are generally made of carbon steel or ductile iron material and used to carry water or other liquid to connect firefighting equipment. It is also called fire protection pipe and fittings. According to the corresponding rules and standards, the fire pipeline need to be red painted, (or with red […]

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What is Thermal Expansion Pipe and How Does it Made?

Thermal expansion pipe is also called seamless pipe or hot expanding seamless pipe. As it’s name, the pipe is made from hot expanding processes, mainly there are two types: 1. Original seamless steel pipe and 2. hot expanded seamless pipe (Based on original seamless pipe hot expanding). So when we say thermal expansion pipe usually […]

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Large Diameter Steel Pipe – Things You Must Know before Purchase

Large diameter steel pipe plays an important role in oil and gas transmissions. It used a lot for long distances pipeline projects, since it could carry more liquid and with big flow rate. Especially for recent years, the use of large diameter steel pipe is increasing. When we talking about large diameters pipe, It usually […]

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ASTM A335 Pipe and Featured Grades P11, P22, P91 Pipes

ASTM A335 pipe (with Grade P9, P11, P22, P91 pipes) has been widely used in different industries for high temperature, high pressure services. According to market data, it is one of the most consumption alloy pipes in boiler industry, heat exchanger, power station, high and super high pressure vessels. So why this pipe is required […]

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ASTM A106 Grade B Seamless Carbon Pipe

As we know ASTM A106 Grade B pipe is one of the most popular seamless steel pipes applied in different industries. Not only in pipeline systems like oil and gas, water, mineral slurry transmission, but also for boiler, construction, structural purposes. So what is ASTM A106 Grade B pipe and why it is required so […]

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