Skills

API 5L pipes are carbon steel pipes used for oil and gas transmissions. They include pipes manufactured in seamless and welded (ERW, SAW). The grades include API 5L Grade B, X42, X46, X52, X56, X60, X65, X70, X80 PSL1 & PSL2 onshore, offshore and sour services. API 5L is the implementation standard of steel pipe […]

People are often confused when it comes to accurately describing the dimensions or sizes of steel pipes, as well as effectively communicating their desired size to the seller. Any misunderstandings or the purchase of an incorrect size could lead to significant trouble. So, what are the right ways to express the dimensions of a steel […]

Steel pipe unit weight (kg/m or lb/ft) is an important description that should be specified in the purchase order. Then how to calculate the steel pipe weight per foot or per meter? Through pipe weight and total quantity meters, we will get the whole weight for the pipe request. Another way to find out this […]

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

API 5CT is standard technical specifications for steel casing and tubing pipes used for oil wells in petroleum and natural gas industries. Besides casing and tubing, it also includes pup joints, coupling stock, coupling material, and accessory materials, and establishes requirements for three product specification levels (PSL-1, PSL-2, and PSL-3). The requirements for PSL-1 are […]

A concrete coated pipe, also known as a concrete weight coating pipe (CWC pipe), is a steel pipe that has been externally coated with concrete. The concrete coating consists of a mixture of cement, aggregates, reinforced steel mesh, and water. The purpose of this coating is to provide strong downward force protection or negative buoyancy […]

Solid CRA lined pipes or CRA clad (cladding) pipes are known as bimetal pipe that consist of an inner alloy pipe for corrosion-resistance and an outer carbon steel pipe which can withstand external and internal pressure. Normally, the mother pipe in carbon steel is of API 5L B to X70, ASTM A53B, or A106B. Clad […]

A steel pipe pile is a type of steel piling material that is commonly used to support and stabilize the foundation of a building. It is typically made of carbon steel and can be manufactured in seamless or welded forms, such as SSAW or LSAW. Therefore, a pipe pile serves as a structural construction material. […]

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 […]

Butt weld fittings are one of the most popular connection types in pipeline systems. It has always been required in massive quantities in different industries, especially for the large diameter pipelines. What is Butt Weld Fittings Butt weld is used to connect pipe or fitting ends by welding. It is a weldable steel pipe fitting […]

As we know there are four connecting types for the pipe fittings: Socket weld, butt weld, threaded, and flanged. In terms of steel pipe fittings for pipeline projects, socket weld fittings and butt weld fittings are two popular options. However, since each type has its own advantages and disadvantages, you might be unsure about which […]

ASTM A335 pipe, also known as Chrome-Moly Alloy Pipe, is widely used in various industries for high temperature and high pressure services. It is available in different grades such as P5, P9, P11, P22, and P91. Market data shows that it is one of the most commonly used alloy pipes in industries such as boiler […]