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Cold-rolled pipe quality defects and the prevention
The main quality defects of cold-rolled steel pipes include: uneven wall thickness, out-of-tolerance outer diameter, surface cracks, wrinkles, roll folds, etc. ① Improving the wall thickness accuracy of the tube blank is an important condition to ensure uniform wall thickness of cold-rolled steel...Read more -
Cold drawn pipe quality defects and the prevention
Seamless steel pipe cold processing methods: ①cold rolling ②cold drawing ③spinning a. Cold rolling and cold drawing are mainly used for: precision, thin-walled, small diameter, abnormal cross-section and high-strength pipes b. Spinning is mainly used for: the production of large diameter, thin w...Read more -
Characteristics of Structural Steel for Ship
Shipbuilding steel generally refers to steel for hull structures, which refers to steel used to manufacture hull structures produced in accordance with the requirements of classification society construction specifications. It is often ordered, scheduled and sold as special steel. One ship includ...Read more -
A Comprehensive Guide to the Classification of Steel Plates and Strips
Introduction: Steel plates and strips play a crucial role in numerous industries, from construction to manufacturing. With a wide range of steel plates available in the market, it is important to understand their classification to make informed choices. In this article, we will delve into the cla...Read more -
4 Types of Steel
Steel is graded and classified into four groups:Carbon steels, Alloy steels, Stainless steels Tool steels Type 1-Carbon steels Aside from carbon and iron, carbon steels contain only trace amounts of other components. Carbon steels are the most common of the four steel gr...Read more -
Comparison of Steel Equivalent Grades
The table below compares steel equivalent grades of materials from various international specifications. Note that materials compared are the nearest available grade and may have slight variations in actual chemistry. Comparison of Steel Equivalent Grades EN # EN na...Read more -
The difference between LSAW Pipe and SSAW tube
API LSAW pipeline manufacturing process Longitudinal submerged arc welded pipe (LSAW pipe), also known as SAWL pipe. It takes steel plate as raw material, which is shaped by forming machine, and then submerged arc welding is carried out on both sides. Through this proces...Read more -
Seamless, ERW, LSAW and SSAW Pipes: The Differences and Property
Steel pipes come in many forms and sizes. Seamless pipe is a non-welded option, made of hollowed steel billet. When it comes to welded steel pipes, there are three options: ERW, LSAW and SSAW. ERW pipes are made of resistance welded steel plates. LSAW pipe is made of lon...Read more -
High-speed tool steel CPM Rex T15
● Overview of High-speed tool steel High-speed steel (HSS or HS) is a subset of tool steels, which is commonly used as cutting tool material. High speed steels (HSS ) get their name from the fact that they may be operated as cutting tools at much higher cutting speeds th...Read more -
ERW PIPE, SSAW PIPE, LSAW PIPE RATE AND FEATURE
ERW welded steel pipe: high-frequency resistance welded pipe, made of hot-rolled steel plate, through continuous forming, bending, welding, heat treatment, sizing, straightening, cutting and other processes. Features: Compared with spiral seam submerged arc welded steel ...Read more -
Differences between Hot Rolled Steel and Cold Rolled Steel
1.What is Hot Rolled Steel Material Grades Steel is an iron alloy that contains a small amount of carbon. Steel products come in different grades based on the percentage of carbon they contain. The differing steel classes are categorized according to their respective car...Read more -
Know More About CCSA Shipbuilding Plate
Alloy Steel CCSA Shipbuilding Plate CCS (China Classification Society ) provides classification services to shipbuilding project. Acc to the CCS standard, shipbuilding plate has: A B D E A32 A36 A40 D32 D36 D40 E32 E36 E40 F32 F36 F40 CCSA is most widely used in the ship...Read more
