6mm~1200mm Seamless Alloy Steel Tube Astm A355 P5 Pipe Thickwall XXS

High-quality seamless steel pipe Astm A355 P5 alloy thick-wall XXS

Alloy seamless steel pipe is a kind of seamless steel pipe, its performance is much higher than that of general seamless steel pipe, because this kind of steel pipe contains more Cr, its high temperature, low temperature and corrosion resistance performance is not compared with other seamless steel pipe, so alloy pipe is widely used in petroleum, chemical industry, electric power, boiler and other industries.

Alloy seamless steel pipe contains elements such as silicon, manganese, chromium, nickel, molybdenum, tungsten, vanadium, titanium, niobium, zirconium, cobalt, aluminum, copper, boron, rare earth, etc.

Alloy seamless steel pipe (Seamless Steel Tube) with hollow section, no joints around the strip steel. The steel pipe has a hollow section and is widely used as a pipeline for conveying fluid, such as oil, natural gas, gas, water and some solid materials. Compared with solid steel such as round steel, alloy seamless steel pipe is light weight when bending and torsion strength is the same. It is an economic section steel, which is widely used in the manufacture of structural parts and mechanical parts, such as oil conveying, stair handrails, bicycle frames and steel scaffolding used in construction. Making ring parts with alloy seamless steel pipe can improve material utilization, simplify manufacturing process, and save material and processing time, such as rolling bearing ring, Jack sleeve and so on. Steel pipe has been widely used to manufacture. Alloy seamless steel pipe or all kinds of conventional weapons indispensable materials, gun barrel, barrel and so on must be made of steel pipe. In addition, when the ring section is subjected to internal or external radial pressure, the force is more uniform, so most alloy seamless steel tubes are circular tubes

Production process

about us:

Hebei Hongcheng Pipe Industry Co., Ltd. was established in 1992 and is located in the Development Zone of Yanshan County, Hebei Province. We are one of the largest steel product manufacturers on the coast of the Bohai Sea. A three-dimensional comprehensive transportation network has been formed. Our geographical position is superior and the transportation is very convenient.

We are one of the biggest manufacturer for steel products with a 80, 000-square-meter workshop,covers an area more than 120,000 square meters in size ,and well over 50 million USD in assets.our main products including stainless steel pipe ,stainless steel plate,stainless steel bar,seamless steel pipe ,low temperature steel pipe ,alloy steel pipe ,boiler pipe ,carbon steel plate ,alloy steel plate ,pipe fitting,copper products,titanium products and nickel products.our company has the most advanced production equipment which guarantee the most advantageous product quality.Based on highly quality products and best service,we have develop clients all round the world ,our products are widely used in industry in USA ,Germany ,India ,Dubai,Iraq,Viet Nam,Ireland,Sinagpore,and so on .

Production process
Hot rolling (extruded seamless steel pipe): pipe billet → heating → perforation → three-roll oblique rolling, continuous rolling or extrusion → pipe → diameter (or diameter reduction) cooling pipe straightening → hydraulic test (or flaw detection) marking → storage.
Cold drawing (rolling) seamless steel pipe: round tube billet → heating → perforation → head → annealing → pickling → oiling (copper plating), multi-pass cold drawing (cold rolling)→ billet tube heat treatment, straightening → water pressure test (flaw detection) marking → storage.

Classification
Seamless steel pipe for structure: mainly used in general structure and mechanical structure. Its representative material (brand): carbon steel 20,45 steel; alloy steel Q345,20Cr,40Cr,20CrMo,30-35CrMo,42CrMo.

Seamless steel pipe for conveying fluid: mainly used for conveying fluid pipes on engineering and large equipment. representative material (brand number) is 20, Q345, etc.
Seamless steel pipe for low medium pressure boiler: mainly used in industrial boiler and domestic boiler to transport low medium pressure fluid pipeline. Representative material is 10,20 steel.
Seamless steel pipe for high pressure boiler: It is mainly used for high temperature and high pressure conveying fluid header and pipeline on power station and nuclear power plant boiler. Representative material is 20 G,12Cr1MoVG,15CrMoG, etc.
Carbon steel and carbon manganese steel seamless steel pipe for ship: mainly used for ship boiler and superheater I,II grade pressure resistant pipe. Representative material is 360,410,460 steel grade etc.
Seamless steel pipe for high pressure chemical fertilizer equipment: mainly used for conveying high temperature and high pressure fluid pipeline on chemical fertilizer equipment. representative material is 20,16 Mn,12CrMo,12Cr2Mo etc.
Seamless steel pipe for petroleum cracking: boiler, heat exchanger and its conveying fluid pipeline mainly used in petroleum smelter. and its representative material is 20,12 CrMo,1Cr5Mo,1Cr19Ni11Nb, etc.

Alloy tubes are roughly made of
A213: T2, T5, T9, T11, T12, T22, T91, T92
A335: P1, P2, P5, P9, P11, P12, P21, P22, P91, P9
DIN17175: 15Mo3, 13CrMo44, 10CrMo910, 12CrMo195

The name of steel is the name of each specific steel product a common language for people to understand steel. China's rigid sign representation method generally uses the Chinese phonetic alphabet, chemical elements ​ symbols and Arabic numerals to express the following we specifically introduce the alloy steel material elements and symbols meaning:

1. high quality steel should be added "A"," at the end of the steel number to distinguish it from general high quality steel.
2. A special purpose alloy structural steel with a steel symbol (or suffix) representing the purpose of the steel. Such as riveting screw special 30 CrMnSi steel, steel number expressed as ML30CrMnSi.
3. For professional low alloy high strength steel, it should be marked at the end of the steel number. Such as 16 Mn steel, the special type of steel for bridge is "16 Mnq", special type of steel for automobil

Introductio

China Hebei Hong Cheng pipe fitting company is a professional enterprise that integrates pipe production, selling and exports.The company was founded in 1992. It covers an area of 0.1 million square meters.

There are 520 employees,3 of them are senior engineers,12 of them engineers and 150 of them professional technical workers.The annual production capacity is more than 20,000 tons, and the pipe turnover is more than 50,000 tons.

The company has advance production equipment, complete detection equipment and strong technology power. The leading products are steel pipe fitting accessories(elbows, bends, tees, cross tees, reducers, capping heads, flanges, hangers, socket components) series products.

The company is equipped with more than 20000 tons of all kinds of special steel tubes. The materials includes SA106B,20G, Q345,12Cr1MoVG,15CrMoG,1Cr5Mo,1Cr9Mo,10CrMo910,A335P5/P9/P11/P12/P22/P91/P92 and WB36. Steel pipe producing areas are mainly Tianjin big seamless, Shanghai Baogang, Chengdu Steel Vanadium, Yangzhou Chengde, Hualing Hengsteel, Baotou steel and Yangzhou Longchuan. And it has become a "authorized dealer", Electric power, metallurgy, city gas, heat pipe network, shipbuilding and other pipeline engineering.The company is keeping to its ideal of holding up to the quality brands for overtaking markets and to win customers by honesty and trust. Our products are selling across the globe in areas like Southeast Asia, the Middle East, North America and South America.

　　The company is located in Wuliyao Industrial Park, Yanshan County, Cangzhou City, Hebei Province, China, with Beijing-Tianjin in the north and Huanghua Port in the east. The transportation is very convenient. The company covers an area of 130,000 square meters, of which the workshop area is 60,000 square meters. The company is equipped with more than 280 advanced production and testing equipment, including 20 500-10000 tons hydraulic presses, 40 various lathes, 6 gas heating furnaces, 10 heat treatment furnaces, 7 hydraulic pushing equipment, and more than 20 testing and inspection equipment.

　 Our company has advanced production equipment, complete testing equipment and strong technical force. Independent construction of B-level technology research and development, main products (factory prefabrication of four major pipe fittings, elbows, flanges, elbows, tees, crosses, reducers, heads, supports and hangers, socket pipe fittings, Forged pipe fittings and other pipe fittings) with an annual output of more than 20,000 tons, which are widely used in pipeline engineering in petroleum, chemical, electric power, metallurgy, urban gas, thermal pipe network, shipbuilding and other industries. The company prepares more than 50,000 tons of various special steel pipes all year round, the materials of which are SA106B, 20G, Q345, 12Cr1MoVG, 15CrMoG, 1Cr5Mo, 1Cr9Mo, 10CrMo910, A335P5/P9/P11/P12/P22/P91/P92, WB36 and various austenitic Body stainless steel. The steel pipes are mainly produced in Tianjin Great Seamless, Shanghai Baosteel, Chengdu Steel and Vanadium, Yangzhou Chengde, Valin Henggang, Baotou Steel，and other well-known domestic，brands。And become the "special distributor" of the above-mentioned major steel pipe factories.

In recent years, our company has consistently adhered to the business philosophy of occupying the market with excellent brands and winning customers with honesty and trust. Products are sold throughout the country and exported to Southeast Asia, Central Asia, North Africa, and South America. We adhere to sincere cooperation with customers with excellent products and good service to create a better future.