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Q355 Seamless Steel pipe

Seamless steel pipe is characterized by excellent mechanical properties and resistance to high pressure and corrosion, and its smooth surface and precise dimensions can be used for transporting fluids and used as structural parts. The production process of seamless steel pipe includes the steps of piercing, rolling and drawing, which requires high-precision equipment and high-quality raw materials.


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Seamless steel pipe is a kind of steel pipe made of whole round steel perforated with no welds on its surface. According to the production method, seamless steel pipe can be categorized into hot-rolled seamless steel pipe, cold-rolled seamless steel pipe, cold-drawn seamless steel pipe, extruded seamless steel pipe and top pipe. According to the cross-sectional shape, seamless steel pipe can be divided into two categories: round and shaped, of which the shaped pipe includes square, oval, triangular, hexagonal, melon, star and finned pipe and many other complex shapes. The maximum diameter of seamless steel pipe can reach 900 millimeters, and the minimum diameter is 4 millimeters. According to different applications, seamless steel pipe can be categorized into thick-walled seamless steel pipe and thin-walled seamless steel pipe, which are widely used in petroleum, natural gas, chemical industry, electric power, automobile, aerospace and other fields.

Seamless steel pipe is characterized by excellent mechanical properties and resistance to high pressure and corrosion, and its smooth surface and precise dimensions can be used for transporting fluids and used as structural parts. The production process of seamless steel pipe includes the steps of piercing, rolling and drawing, which requires high-precision equipment and high-quality raw materials. In the process of use, it is very important to carry out quality inspection and control of seamless steel pipe to ensure its safety and reliability. As technology continues to advance and demand increases, the production process and quality of seamless steel pipe will continue to improve to meet the needs of various industries.

parameter table

Product Name Seamless Steel Tube and Pipe
Material API5L,Gr.A&B, X42, X46, X52, X56, X60, X65, X70, X80,
ASTM A53Gr.A&B,ASTM A106 Gr.A&B, ASTM A135,
ASTM A252, ASTM A500, DIN1626, ISO559, ISO3183.1/2,
KS4602, GB/T911.1/2,SY/T5037, SY/T5040
STP410,STP42
Outside Diameter 1/2'--24'
21.3mm-609.6mm
Thickness SCH5S, SCH10S, SCH20S,SCH20, SCH30,STD, SCH40,
SCH60, SCH80, SCH100, SCH140, SCH160,XS
1.65mm-59.54mm
Length 5.8m 6m Fixed, 12m Fixed, 2-12m Random
Technique 1/2'--6': hot piercing processing technique
6'--24' : hot extrusion processing technique
Surface Treatment Black Painted, Galvanized, Natural, Anticorrosive 3PE coated,polyurethane foam Insulation
Usage /Application Oil pipe line, Drill pipe, Hydraulic pipe, Gas pipe, Fluid pipe,
Boiler pipe,Conduit pipe, Scaffolding pipe pharmaceutical and ship building etc.

Application:

It is a long piece of steel with a hollow cross-section and no seams around it. Steel pipe has a hollow cross-section and is used in large quantities as a pipeline for the transportation of fluids such as oil, natural gas, coal gas, water and certain solid materials. Compared with solid steel such as round steel, steel pipe is lighter in weight when the bending and torsion strength is the same, and it is a kind of economic cross-section steel, which is widely used in the manufacture of structural and mechanical parts, such as oil drilling rods, automobile driveshafts, bicycle frames, and steel scaffolding used in building construction. Steel pipe manufacturing ring-shaped parts, can improve material utilization, simplify the manufacturing process, save materials and processing time, such as rolling bearing rings, jack sets, etc., is widely used in steel pipe to manufacture. Steel pipe or a variety of conventional weapons indispensable materials, gun barrels, gun barrels, etc. to steel pipe to manufacture. Steel pipe according to the shape of the cross-sectional area of different can be divided into round pipe and shaped pipe. Since the circular area is the largest under the condition of equal perimeter, more fluid can be transported with circular pipe. In addition, the circular cross-section is more uniformly stressed when subjected to internal or external radial pressure, therefore, the vast majority of steel pipes are round pipes. However, the round tube also has certain limitations, such as under the conditions of plane bending, round tube is not as strong as the square, rectangular tube bending strength, some agricultural equipment skeleton, steel and wood furniture, etc. are commonly used square, rectangular tube. According to different uses also need to have other cross-sectional shape of the shaped steel pipe.

 

 

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Over the years, we strive for survival by quality and development by efficiency, adhering to the business philosophy of "integrity, pragmatism, innovation and development", and have repeatedly won praise from customers.

FAQ

zhongyi

Are you a manufacturing company or a trading company?


zhongyi

We are a manufacturer of metal materials and products with many years of experience.

zhongyi

Can you provide samples?


zhongyi

We can provide free samples, but samples are subject to a sample fee, which is refundable upon order confirmation.

zhongyi

How can I get an accurate quotation?


zhongyi

Please provide the product standard, material, size, quantity and other information.

zhongyi

What kind of payment terms do you accept?


zhongyi

We can accept T/T, L/C, Western Union or negotiation.

zhongyi

What markets do you mainly sell to?


zhongyi

Australia, America, Asia, Middle East, Western Europe, Africa, etc

zhongyi

Can you deliver the goods on time?


zhongyi

Yes, whether the price changes or not, we guarantee to provide the best quality products and on time delivery. Integrity is the purpose of our company.

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Factory

Shandong Zhongyi Metal Products Co., Ltd. is an enterprise specializing in the research and development, production, sales and service of metal products. Located in Shandong Province, China, the company covers a vast area with advanced production equipment and testing instruments, and a team of skilled and strong staff.

Zongyi Metal Products Co., Ltd. mainly produces all kinds of metal products, serving the industries of precision machinery parts, automobile parts, electronic components, construction and decoration materials. Adhering to the business philosophy of "Quality is the foundation, Innovation is the soul", the company constantly introduces advanced technology and equipment to improve product quality and reduce production costs to meet customer needs.

We have rich experience in the metal products industry, and our products sell well in domestic and international markets and are well received by customers. We always adhere to the customer-centered, market-oriented, in order to survive, innovation and development. We are willing to cooperate with customers at home and abroad to create a better future.

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