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thermodynamics
Thermodynamics
Thermodynamics is a branch of physical science that is concerned with the study of the relationship between heat, energy, and work. It studies how energy can be converted into different forms such as thermal energy, mechanical energy, and electrical energy, and how it can be transf......
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Forging Technology: Process Characteristics of Die Forging on Screw Press
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Introduction
Introduction to Technology of Screw Press On Die Forging
Forging is an ancient metalworking technology developed over the ages. It is the process of deforming metal in a plastic state through compressive force applied to it in one or more determined directions either by open die o......
Necessity and Transformation Method of Machine Tool Numerical Control Transformation
The Necessity and Method of CNC Transformation of Machine Tools
Introduction
Nowadays, the competition in the manufacturing industry is becoming increasingly fierce. Machine tool transformation has become the only path for enterprises to survive. CNC transformation of machine tools has become th......
GB 6654-1996 Size, Shape, Weight and Allowable Deviation of Steel Plates for Pressure Vessels
SYNOPSIS
This GB 6654–1996 specifies the dimensions, shapes, masses, and permissible deviations of steel plates used for pressure vessels. The plates that are covered by this document are those with a nominal thickness of 4.75 mm or more, and a nominal width of 600 mm or more. The characteristic......
GB/T 11253-1989 Carbon structural steel and low alloy structural steel cold rolled sheet and strip
版本
Cold-rolled sheet steel and steel strips made of carbon structural steel and low-alloy structural steel are used in a wide range of applications. GB/T 11253-1989 is the national standard for the production and quality assurance of these products. This article provides a detailed description of......
Steel Price Index
Steel Price Index
There is no better way to assess the economic and market trend of a certain commodity than by looking at its price index. The steel price index is one such tool that provides an excellent insight into the global steel market. This index tracks the prices of several types of stee......
GB 8650-88 Test method for resistance to stepped cracking of pipeline steel
GB 8650-88 provides a method for a fracture test that assesses the ability of steel pipelines to withstand different conditions. This test involves a pipe filled with water, the pressure of which is gradually increased. At each stage, the pipe is blocked off, and then examined afterwards to see if......
Weldability test T-joint welding crack test method GB 4675.3-84
Weldability test
The welding joints are an important part of most structures, which are used to make connections between sections or components of a structure, so the weldability of certain structures is an important factor in the overall performance and strength of the structure. It is, therefo......
Weldability Test Pressure Plate Butt Joint (FISC0) Welding Crack Test Method GB 4675.4-84
Introduction
Welding has become an important part of modern manufacturing processes. It is used in numerous industries, from automotive manufacturing to aerospace production. One test used to ensure welding quality is the FISCO Weld Crack Test. This test involves pressing two plates together and......
High-quality carbon structural steel hot-rolled thick plate and wide steel strip GB 711-88
Carbon Structural Steel Hot-rolled Steel Plate and Strip GB 711-88
Carbon Structural Steel Hot-rolled Steel Plate and Strip GB 711-88 are high-quality carbon structural steels made according to the national standard GB 711, and are suitable for welding, bolting, riveting, and other structural typ......
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