Carbon steel seamless steel pipe is a kind of long 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, steel pipe has the same flexural and torsional strength and light weight. It is an economic section steel, which is widely used in the manufacture of structural parts and mechanical parts, such as petroleum drill pipe, automobile drive shaft, bicycle frame and steel scaffolding used in construction.
Making ring parts with steel pipe can improve the utilization ratio of materials, simplify the manufacturing process, save materials and processing hours, such as rolling bearing ring, Jack sleeve, etc. At present, steel pipe has been widely used to manufacture.
Steel pipe or all kinds of conventional weapons indispensable materials, barrel, barrel and so on are made of steel pipe. The steel pipe can be divided into round pipe and special-shaped pipe according to the shape of cross-sectional area. Because the circular area is the largest under the condition of equal circumference, more fluid can be transported by circular pipe. In addition, the ring section under internal or external radial pressure, the force is more uniform, therefore, most of the steel pipe is a circular pipe.
Making ring parts with steel pipe can improve the utilization ratio of materials, simplify the manufacturing process, save materials and processing hours, such as rolling bearing ring, Jack sleeve, etc. At present, steel pipe has been widely used to manufacture.
It is divided into 10# seamless steel pipe ,20# seamless steel pipe ,4# seamless steel pipe and so on.

Material factors
(1) The importance of structure The importance of heavy-duty industrial building structures, long-span structures, high-rise or super-high-rise civil building structures or structures, etc., should consider the selection of seamless steel pipes of good quality, and for general industrial and civil building structures, the selection of seamless steel pipes of ordinary quality can be made according to the nature of work.
(2) Seamless steel pipes with good comprehensive performance should be used for structures directly bearing dynamic loads and those in strong seismic zones under load conditions, while seamless steel pipes with lower prices can be used for structures generally bearing static loads.
(3) The welding process of the connection method results in welding deformation, welding stress and other welding defects, and there is a risk of cracks or brittle fracture of the structure. Therefore, the welding structure should be strict with the material requirements.
(4) In the temperature and environment of the structure, seamless steel pipe is easy to be cold and brittle at low temperature, so the structure working at low temperature, especially the welding structure, should choose the sedative steel with good resistance to low temperature brittle fracture. In addition, Taiyuan seamless steel pipe with open-air structure is easy to produce aging, and seamless steel pipe with harmful medium is easy to corrode, fatigue and fracture, so different materials should be selected differently.
(5) Too seamless steel pipe thickness, thin seamless steel pipe roll rolling times, rolling compression ratio is large, the thickness of seamless steel pipe compression ratio is small, so the thickness of precision steel pipe not only less strength, but also poor plasticity, impact toughness and welding performance. Therefore, the welding structure with large thickness should be [1] with seamless steel pipe with good material.

We produce the highest quality steel products. Customers use our seamless standard and line steel pipe for a variety of critical applications, including the transmission of crude oil, natural gas and petroleum products, refining and process piping for the chemical and petro-chemical industries, structural members in the construction industry, slurry pipelines as well as water transmission line applications.

HEBEI PENGXIN PIPELINE EQUIPMENT GROUP CO.,LTD.. was established in the early 1990s, is located in China elbow pipe capital "mengcun" golden hinterland New hope. Here north of Beijing and Tianjin, south of Jinan, east Huanghua port, excellent location, ease of access and the unique economic environment for the development of the company provides unlimited opportunities.
After nearly two decades of hard business, Hebei Peng Xin Pipeline Group Ltd. has now developed into a set of tube production, steel logistics, sales and export as one of the group of companies. Which owns Hebei Peng Xin Pipe Group Co., Ltd. Hebei Peng Xin Xin Ding Pipe Group Co., Ltd., Hebei Peng Xin Hua Tuo High Pressure Pipe Group Co., Ltd., Hebei Xin Peng Bo Tao Group Pipe Manufacturing Co., four large-scale companies.

Group covers an area 66,600 square meters, the total assets of 318 million yuan, registered capital of 1.0188 billion yuan, annual production of 30,000 tons pipe fittings, pipe throughput of nearly ten million tons. The company currently employs 628 people, including engineers, economists, accountants 128 people. Widespread branches and offices in major cities in the country, while the company also has independent export right, the products are exported to Europe, America, Southeast Asia, Russia and other countries and regions.

Laid a strong foundation for the development Peng Xin Group, the Group has 5,000 tons of press, large heat treatment furnace, a large IF pushing machine, a large bending machine, beveling machine, sawing machine, lathe, drill press, tee cold extrusion machine, plywood hammer, vertical lathe, large sandblasting machines and other related facilities 316 sets. Has advanced physical and chemical metallurgical, nondestructive testing, material testing equipment more than 40 sets. And has the world's most advanced metallic materials direct reading spectrometer, employing all the national and provincial authorities to obtain recognized qualifications, and in strict accordance with the company's quality assurance system for production traceability. After years of hard work group company has passed the ISO9001 international quality system certification, ISO14001 environmental management system certification, OHSAS18001 occupational health and safety management system certification most authoritative industry certification.

Quality determines survival, the details determine success or failure. Customer satisfaction for the purpose of quality concept, created Peng Xin Group's quality and strength.
Peng Xin Group uphold integrity first, create business opportunities business philosophy. Depending on the product quality and Honor for the group life, years of spot check inspection Peng Xin Group's products are always 100% qualified.
Our main products are electricity, chemical equipment, carbon steel, alloy steel, stainless steel, X-class series and a variety of materials elbows, bends, reducers, tees, crosses, head, flange, bearing plug-in, hangers and other pipeline products. Company carbon steel, alloy steel, stainless steel and other wall thickness, size pipe.

Peng Xin Group is the large seamless steel pipe, straight seam steel pipe, spiral steel pipe, steel pipe logistics base, annual inventory of 38,000 tons or more. Operating Chengdu Steel, Shanghai Baosteel, Tianjin big seamless, Jiangsu Chengde, Longchuan steel mills, Shandong giant, Steel, Anshan Iron and Steel and the United States, Japan, Germany, Italy and other countries products. And to Panzhihua, Chengdu Seamless Steel Tube Plant, Hengyang Valin Steel Tube Co., Ltd., Jiangsu Chengde Steel Tube Co., Ltd. distributor in North China. Simultaneously and professional production 300000, 600000, 1000000 subcritical, supercritical, ultra-supercritical, thermoelectric four pipes and pipe factory piping.

Group products are mainly used in petroleum, chemical, natural gas, nuclear power, thermal power, metallurgy, heat pipe, shipbuilding, construction and other industries. With Datang, Huaneng, Huadian, Guodian, China National Petroleum Corporation, China National Offshore Oil Corporation, rings technology into the Engineering Company, Saiding engineering company, China Lu engineering company, Sinochem Second Construction, Chongqing Chemical Medical Group, Xiamen Xianglu Group, Xinjiang Guinness company, chemical and Thailand, sky, Lu Tien-oriented, Plum MSG, Ershisanye, Shandong Sea Chemical Yongxin petrochemical, large stone technology, Chen Hung chemicals, Wanhua Group etc. has always been a good cooperation.

Peng Xin is its distinctive brand positioning, three-dimensional marketing strategies in the industry leading the way.
Group Company has obtained API, CE, ASME and other international and national certification issued by the General Administration of Quality Supervision, Inspection and China special equipment manufacturing license, the State Power Corporation power plant parts supply network member factory, Hebei Boiler and Pressure Vessel Supervision, Inspection and Supervision, Inspection Unit , China National Petroleum Corporation supplies network member unit of China National Offshore Oil Corporation qualified suppliers, Datang International Network Supplier Membership materials, China Huadian Corporation tendering and procurement network provider group-level member of "China metal materials distribution industry leader ", Hebei Province, taxes hero and many other honors
Challenges facing the industry, Peng Xin Group, adhering to the essence Xeon technology, the service flawless reputation to really sincere business philosophy, and constantly introduce new technologies, develop new projects and seek new areas. In the future, Peng Xin people are to unity, progressive attitude, being in the forefront of pipeline equipment industry to do the industry leader position leading international brand.