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The CRA clad or lined pipe is composed of a conventional carbon steel or low alloy steel pipe and a corrosion-resistant alloy layer. CRA refers to corrosion-resistant alloy. The CRA layer is metallurgically bonded (clad) or mechanically bonded (lined) to the internal or external surface of the steel pipe. The carbon steel or low alloy steel pipe is called base metal, or backing steel; The CRA layer is usually called cladding material or lining. This is economically favorable for large-diameter heavy pipelines since the relatively much thinner CRA layer not only retains enhanced corrosion-resistant properties but also reduces the cost to the minimum. The CRA clad or lined steel pipes are widely used in pipeline transportation systems in the petroleum and natural gas industries. They are also extensively used for marine applications, chemical plant, and power plant, etc.
Swivel Ring Flange (SRF) is the most commonly used flange for shallow water pipeline repairs. The SRF allows the diver to line up bolt holes with the mating weld neck flange. This significantly reduces the time needed to complete the repair operation.
Mechanical connector is the pipe connector that connects the cut pipe and the joint pipe quickly, the structure is simple and ingenious, the operation is convenient and fast, and the leakage prevention effect is good, especially the bad pipeline can be flexibly removed, and the available pipeline can be retained to the maximum extent, so that the repair work is fast and easy and saves materials, and the repair cost can be greatly reduced.
A pipeline repair clamp is a mechanical device that is used to fix a leaking pipeline segment without shutting it down or replacing the entire piece. It is a pipeline repair sleeve designed to fit over a leaking pipeline segment and provide a temporary or permanent barrier to prevent leakage.
In Marine engineering, the general pipeline connection adopts the flange connection of the conventional structure, the structure is simple, if the position and Angle of the pipeline to be connected are strict, a little offset and tilt can not be well connected, causing greater difficulty for the pipeline construction, therefore, a flexible connection is needed, the environmental requirements are not strict, allowing the pipeline to offset or rotate, and can be closely connected Connecting device. The spherical flange joint not only can realize the underwater accurate positioning function, but also can realize the docking of two pipe sections that are not in the same straight line, which greatly reduces the precision requirements of the construction of the butt pipe section.
Steel plate is a plate of metal, specifically steel, that can be cut and manufactured into a more elaborate product. Steel plates come in a range of thicknesses, and can be manufactured to a length or width that you need. There are common sizes that you’ll find, such as 48”x96” or 96”x120”. To put it simply, steel plate is a general term
The steel sheet pile is made up of a steel sheet. It is a large cross-section width ensures that the mechanical properties of the cross-section are fully exerted. The cross-section structure is designed reasonably and has a high “quality factor”. The steel sheet piles did not affect the use by weather conditions. It has significant environmental protection effects, greatly reducing the amount of borrowed soil and the use of concrete, effectively protecting land resources.
Steel coil is a kind of steel plate, which is formed into coiled steel by hot pressing and cold pressing, also known as coil steel.Steel coils are rolled into coils, not only for the convenience of storage and transportation, but also for various processing.It has the characteristics of high strength, good plasticity and toughness.
Steel channels are hot-rolled carbon steel, shaped to have a vertical web and two horizontal flanges. The web is typically wide, while the flanges can either be parallel or tapered. Steel channels have excellent strength and durability, which makes them ideal for steel structures.
Steel angles are hot-rolled carbon steel that are moulded into L-shaped cross sections. The sides of the cross section are called legs of the angle. Steel angle sizes and weights: Most angles available in the market feature a 90° shape. There are other variations available as well
Round bar is exactly what it sounds like; it is a long, cylindrical metal bar. Manufactured in a variety of diameters ranging from 1/4″ up to 24”, round bar is also available in a variety of metals besides the relevant hot rolled or cold rolled steel and stainless steel options.
I-beams are commonly made of structural steel but may also be formed from aluminium or other materials. A common type of I-beam is the rolled steel joist (RSJ), sometimes incorrectly rendered as reinforced steel joist. British and European standards also specify Universal Beams (UBs) and Universal Columns (UCs).
H-section steel beam is a kind of economical section material with more optimized cross-sectional area distribution and more reasonable strength-to-weight ratio. It is named because its section is same as English letter “H”. Due to the right-angle arrangement of all parts of H-beam, it has been widely used in steel structure buildings for its strong bending resistance, simple construction, cost saving and light structural weight in all directions.
Flat bars are a flat, rectangular section with square edges varying in sizes. This cost-effective steel product is suitable for a wide variety of applications and is distributed into the construction, engineering, manufacturing, mining, grating, fabrication and many other industries.
Y-Strainers are devices for mechanically removing unwanted solids from liquid, gas or steam lines by means of a perforated or wire mesh straining element. They are used in pipelines to protect pumps, meters, control valves, steam traps, regulators and other process equipment.
The “globe valve”, also known as the cut-off valve, is a forced sealed valve, so when the valve is closed, pressure must be applied to the valve disc to force the sealing surface not to leak. It is one of the most widely used valves, it is popular because the friction between the sealing surface in the opening and closing process is small, more durable, the opening height is not large, easy to manufacture, convenient maintenance, not only for low pressure, but also for high pressure.