Exploring the size standards of 20-inch seamless steel pipes
In the steel industry, seamless steel pipes, as important pipeline materials, are widely used in the fields of petroleum, chemical industry, shipbuilding, shipbuilding, etc. Among them, 20-inch seamless steel pipes have attracted much attention due to their moderate diameter and wide range of applications. 1.
How to detect the quality of steel pipes
For quality inspection of steel pipes, a variety of methods can be used to ensure that they meet specifications. Here are some common quality testing methods: 1.Appearance inspection: This is one of the most basic inspection methods. The appearance of the steel pipe is
Understand the performance and application areas of 1010 steel pipe
First, what is 1010 steel pipe? As a commonly used metal material, steel pipe is widely used in construction, machinery manufacturing, automobile manufacturing, and other industries. Among them, 1010 steel pipe is a steel pipe of a specific specification, and its number indicates its chemical composition and performance characteristics.
This week, prices in the international steel market have gradually become clearer since May Day. The overall trading and bidding atmosphere is tepid. Some varieties are showing an upward trend under the support of reduced supply or strong demand. Driven by the rise in China's futures market during the post-May Day holiday, the price of imported hot rolls in Vietnam has further risen. According to local mall traders, the current demand for imported hot
Market transactions rebounded slightly, steel pipe prices in East China rose steadily
[Market hot spots] 1. Macro information At 9:00 a.m. Eastern Time on April 16th (21:00 Beijing time on the 16th), the International Monetary Fund (IMF) released the latest World Economic Outlook Report. In the report, the IMF predicts global economic growth in 2024 of 3.2%, an increase of 0.1 percentage points from the forecast in Januar
The difference between hot-dip galvanized steel and electro-galvanized steel
According to the galvanizing method, production process and the amount of galvanizing, it is divided into hot-dip galvanized steel (GI) and electrolytic galvanized steel (EG), they differ greatly in their properties: From the appearance point of view, the surface brightness of EG is better than that of GI, but GI can also achieve good brightness through clean surface treatment. A lay
Precision seamless steel pipe is a kind of high-precision steel pipe after cold drawing or hot rolling. Because the precision seamless steel pipe inner and outer wall without oxide layer precision seamless steel pipe, withstand high pressure and no leakage, high precision, high finish, cold bending deformation, flaring, flattening and no cracks, it is mainly used to produce pneumatic or hydraulic components Products such as cylinders or cylinders are made of seamless tubes. The chemical composition of precision seamless steel
Alloy seamless steel pipe than seamless steel pipe performance is much higher
Alloy seamless steel pipe is a seamless steel pipe, its performance is much higher than the average seamless steel pipe, which contains more Cr inside the steel, its high temperature, low temperature, corrosion-resistant properties of other seamless steel pipe Compared to the alloy pipe in the petroleum, chemical, power, boiler and other industries more widely used. Alloy seamless steel pipe contains elements of silicon, manganese, chromium, nickel, molybdenum, tungsten, vanadium, titanium, niobium, zirconium, cobalt, aluminum
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