Classification of Pipe Fittings

Classification of pipe fittings such as 45° 3r elbow:

(1) Classification by production method

Seamless pipe - hot rolled pipe, cold rolled pipe, cold drawn pipe, extruded pipe, top pipe (2) welded pipe (a) according to the process - arc welded pipe, electric resistance welded pipe (high frequency, low frequency), gas welded pipe, Furnace welded pipe (b) by weld seam - straight seam welded pipe, spiral welded pipe

(2) Classification by wall thickness - thin-walled steel pipe 10.

(3) Classification by use - steel pipes such as Stainless steel Seamless stub end for pipelines, steel pipes for thermal equipment, steel pipes for machinery industry, petroleum, steel pipes for geological drilling, steel pipes for containers, steel pipes for chemical industry, special-purpose steel pipes, others.

Carbon Steel Bend Benefits

AFFORDABLE

Due to high-carbon steel's naturally high strength, a little material goes a long way. The less base material you need, the more affordable your project will be. The base materials of carbon steel -- iron and carbon -- are also much cheaper than the alloys in stainless steel.

ENVIRONMENTALLY FRIENDLY

Carbon Steel Bend, like other steels, is highly recyclable (more steel is recycled than glass, plastic, paper, and aluminum products combined). 70% of all steel gets recycled after use, which equates to more than 80 million tons of steel recycled every year in North America.

HIGHLY DURABLE

Carbon Steel Bend China is popular in infrastructure and construction applications due to its high durability. It's non-combustible, resistant to harsh weather and changes in pressure, and resistant to shock.

HIGH STRENGTH

Carbon steel has a naturally high tensile strength, which means it's difficult to bend and break. Due to this strength, carbon steel tubing can be thinner while transporting higher amounts of materials at a higher pressure.

Advantages of Using Flanges

There are no standards that dictate whether Integral Flange connections should be used or not, but flanges do have pros and cons that should be weighed when considering them for a project.

Flanges provide easy access for inspection, modification and cleaning. They can also eliminate the need for the pipe spools to be welded. Furthermore, they make blasting, painting and NDO in the plant unnecessary, because all of this can be done in the workshop.

If you consider decide that flanges are right for your project, please contact Flange Manufacturer for a quote. We can supply a large variety of flanges for whatever your project might call for. 

Stub end Introduction

Stainless steel Seamless Stub Ends are fittings used in place of welded flanges where rotating back up flanges are desired. They are also called Lap Joints and Vanstone Flared Laps. A rotating back up flange seats itself against the back surface of the Stub End. When bolts are added, the clamping action of the bolts presses the rotating back up flange against the back of the Stub End. The gasket surface of the Stainless Steel Stub End then presses against a gasket and another gasket surface providing joints like standard flange joints. The seal is made by the gasket surface of the stub end alone, the flange only provides the clamping pressure on the joint.

Forged Steel Pipe Fitting Applications

There are many different applications in which forged fitting. These include, but are not limited to; oil, gasoline, hydraulic machinery, fertilizing, or chemical industries. Because of the leak free connections created from Pipe Fitting China made from forged steel, forged fittings are ideal in the transfer of these potentially harmful materials. When it comes to oils or chemicals having any type of leak within your connection can be very dangerous. Forged steel fittings will ensure that neither fumes, nor the chemical or oil itself leaks from your piping connection.

Along with leak free connections, it is as if Forge Fitting Manufacturer were developed specifically for applications where harsh chemicals that are in need of transferring. This is because forged carbon steel fittings have a special coating which protects the alkali or acidic materials from corroding the fitting. Corrosion during the transfer of chemicals can be dangerous, not only due to the fact that the corroded pipe will eventually leak, or worse break, but also because when corrosion occurs, the chemicals within the piping material (often zinc), are released. Depending on the chemical being transferred through the piping connection, this can be very harmful and may even cause unwanted chemical reactions such as explosions. Forged steel fittings are the best options when transferring oil, gas or chemicals.

The Differences Between Bends and Elbows

Although the words bends and elbows are often used as synonyms, there are some differences. Bend is a term for any offset of direction in the piping while elbow is an engineering term. Elbows have limitations to angle, bend radius and size. Most angles are either 45° 3r elbow or 90 degrees. All other offsets are specifically pipe bends. And while Welded Elbow have sharp corners, bends never do. The most basic different between a Carbon Steel Bend and an elbow is the radius of curvature. Bends have a radius more than twice the diameter, and elbows have a radius of curvature between one and two times the size of the pipe’s diameter. All elbows are bends, but not all bends are elbows.

Types of Butt Weld Fittings

Tees: Tees are butt weld fittings used to combine or divide process flow, and Reducing Tee additionally allow for butt weld fittings size change.  The run outlets of the tee are the two in-line outlets, and the branch is the third outlet.  The branch outlet is the reducing outlet in a reducing tee.

Elbows: An elbow is a butt weld fitting is used to change the direction of flow in a piping system, usually at the 90° or 45° angle. Like a reducing tee, reducing elbows also exist to simultaneously change flow direction and reduce flow diameter.  90 degree elbows are also available in both 90° long radius elbow and 90° short radius elbowpatterns, whereas 45° elbow are only available as long radius.  

Ways to Clean Stainless Steel

Stainless steel is a wonderful material, providing a strong, attractive, waterproof and “stainless” finish to many different types of products, such as Stainless Steel Bend, Stainless Steel Elbow, etc. But stainless does not always remain rust-free, and it often needs cleaning, especially outdoors or in environments around food, pharmaceuticals or other chemicals. At the same time, when preparing stainless steel for fabrication or finishing, it’s essential to ensure the surface is clean. 

Classification of Pipe Fittings

Classification of pipe fittings such as 45° 3r elbow:

(1) Classification by production method

Seamless pipe - hot rolled pipe, cold rolled pipe, cold drawn pipe, extruded pipe, top pipe (2) welded pipe (a) according to the process - arc welded pipe, electric resistance welded pipe (high frequency, low frequency), gas welded pipe, Furnace welded pipe (b) by weld seam - straight seam welded pipe, spiral welded pipe

(2) Classification by wall thickness - thin-walled steel pipe 10.

(3) Classification by use - steel pipes such as Stainless steel Seamless stub end for pipelines, steel pipes for thermal equipment, steel pipes for machinery industry, petroleum, steel pipes for geological drilling, steel pipes for containers, steel pipes for chemical industry, special-purpose steel pipes, others.

Discussion on The Risk of Oil and Gas Pipelines

Pipeline such as 45° 3r elbow is one of the five modern modes of transportation. At present, 80% of China's oil and 99% of natural gas are transported through pipelines. In recent years, the “contribution rate” of third-party damage to China’s oil and gas pipeline accidents has reached 40%, which seriously jeopardizes the operational safety of oil and gas pipelines such as Galvanized Socket Elbow line. According to reports, Sinopec suffered more than 19,800 tons of punching and stealing oil, and accumulated more than 47,000 tons of oil leakage; more than 12,100 times of oil spills occurred in oil fields, and accumulated oil spills of more than 21,000 tons, resulting in economic losses of 530 million yuan. more than. This not only causes the pipeline to stop for a long time or the pipeline such as Seamless Elbow is scrapped, the upstream shut-in is shut down, the downstream refinery reduces production and the supply of refined oil and natural gas is interrupted, and environmental disasters are caused by leakage. Therefore, there is a great risk in pipeline transportation.

Welded Pipe Fittings: Advantages and Applications

Welded pipe fitting offer many advantages. The welding process makes them permanently leakproof. The continuity between the pipe and the fitting increases the strength of the system. Pressure losses and turbulence are reduced by the system’s smooth inner surface and gradual direction change. Plus, a welded system uses space more efficiently than some other connecting methods.

Though Welded Elbow are very effective, Welded Flange Tee can be costly because of the skilled labor they require. Therefore, they are usually only used in applications that require high performance. These applications include chemical and nuclear reactors, as well as shipbuilding.

Kazakhstan International "Oil & Gas" Exhibition and Conference have finished

Kazakhstan International "Oil & Gas" Exhibition and Conference have finished.

WH-STEEL CO.,LTD, leading supplier of pipe fittings and Forge Fitting, attend Kazakhstan International "Oil & Gas" Exhibition and Conference, and made good grades. Looking forward to working with you better.

Tube China 2018 - The 8th China international pipe exhibition have finished

WH-STEEL CO.,LTD have attended the exhibition to show our most professional technology and the most innovative products to the audience. We are a professional supplier, including alloy steel bend, Integral Flange amd so on. We are full and have learned a lot.

Pipe tee

A tee is also referred to as triplet,three way and"T" bits and it may be utilized to either blend or divide a fluid stream.

Most typical are tees with the exact same inlet and outlet sizes, but'decreasing' tees can be found also. It means the a couple of endings are vary in dimension.due into thisdimension differ,the creates the Welded Flange Tee together with the ability to control the quantity when requried.

Barred tees are pipe fittings with 2 sockets, one at 90 ° into the link to the main line which has little holes. Barred tees can be extruded or fabricated and therefore are utilized to link two pieces of pipe or fittings. Barred tees are used in pipelines which are pigged.

Reducing tees are also recommended for industrial plant fluid power systems.