Why do we need to blow borax in the production process of seamless steel pipe? What is the process and purpose? The limit mandrel continuous rolling mill has one more process than the floating and semi-floating mill. Oxidizer, whose technological purpose is to remove iron oxide scale on the inner surface and prevent secondary oxidation. […]
Precision bright seamless steel pipe is a kind of high-precision steel pipe material processed by fine drawing or cold rolling. Due to the advantages of no oxide layer on the inner and outer walls of the precision bright tube, no leakage under high pressure, high precision, high finish, no deformation in cold bending, no flaring, […]
The dredging spiral steel pipe adopts the technology of submerged arc welding, also called submerged arc welded straight seam steel pipe. The main function is to clean up the steel pipes that transport sediment, mud and other mixed debris. The purpose is to excavate port basins, access channels, etc., reclamation and reclamation to build wharfs, […]
Stainless steel pipe is a kind of steel. Before it is made into a product, it is in three conventional shapes such as round, rectangular and square in people’s eyes. According to the needs of different products, there are many kinds of stainless steel thicknesses, both thick and thin. During the process of loading, unloading, […]
The national standard spiral steel pipe refers to the steel pipe that is used and transported as a medium, and the steel pipe is corroded by chemical or electrochemical reactions due to the influence of the use environment and the conveying medium. The quality of the coating construction has a great influence on the performance […]
Low alloy angle steel can be composed of various stress components according to different structural requirements, and can also be used as connecting parts between components. Widely used in various building structures and engineering structures, such as beams, bridges, transmission towers, hoisting and transportation machinery, ships, industrial furnaces, reaction towers, container racks, cable trench supports, […]
Hot-dip galvanized steel pipe manufacturers popularize the difference between seamless steel pipe and galvanized steel pipe: seamless steel pipe and galvanized steel pipe are different in terms of process, durability, use and prohibition. Specific differences: Galvanized steel pipe refers to the steel pipe with hot dip or galvanized coating on the surface. Seamless steel tubes […]
Steel-plastic composite pipe and plastic-lined steel pipe have always been foolishly confused between the two kinds of pipes, do not know their respective properties, and do not know where they are used respectively. In fact, the difference between steel-plastic composite pipe and plastic-lined steel pipe is quite Big, you can’t see that the main reason […]
Carbon steel pipes are divided into two categories: hot-rolled and cold-rolled (drawn) steel pipes. Hot-rolled carbon steel pipes are divided into general steel pipes, low and medium pressure boiler steel pipes, high pressure boiler steel pipes, alloy steel pipes, stainless steel pipes, petroleum cracking pipes, geological steel pipes and other steel pipes. In addition to […]
1. What are the executive standards for stainless steel pipes in China? No. Standard type Production standard 1 European standard EN10216-5; EN10216-2 2 German standard DIN 17456; DIN 17458 3 American Standard ASTM A312; A213; A269; A511; A789; A790; ASME SA213; SA312; SA789; SA790; ASTM B423, ASTM B407, ASTM B668, ASTM B163; ASME SB163, ASME […]
SINO SOURCES TECH CO.. LTD. as a leading China steel products manufacturer specialized in production of high quality steel series products and located in Tianjin. The area of Sino Sources Group is about 60,000 square meters with annual steel production capacity reaching to 500,000 MT. Its products’ ranges include steel pipes, tubes, steel sheet and coil, structural steel like steel profile and so on.
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