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Industrial Furnace Masonry
Industrial Furnace Masonry
Industrial furnaces are used for numerous industrial operations such as heat treatment, melting, or even drying of materials. In order to provide the necessary heat and thermal protection necessary for these processes, masonry is commonly employed in the construction of......
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Welding Safety and Hygiene
Welding Safety and Health
Welding is a process used to join two pieces of metal or other materials through a high temperature flame or an electric arc. The resulting bond is strong and reliable, making it useful in many applications. However, a proficient welder must learn and understand the asso......
Machine tool science knowledge
Introduction to CNC Machine Tools
CNC (Computer Numerical Control) Machine tools are a type of machine tool that uses a computer to control their movements, allowing for precise control over their work outputs. These tools can be used to perform various operations such as drilling, tapping, mill......
Visual symbols for operation instructions of metal cutting machine tools (7)
1. On/off switch
This symbol indicates the on/off switch of the CNC machining process. This symbol activates the machine’s digital components such as its spindle and table.
2. Direction control knob
The direction control knob is used to switch between clockwise and counterclockwise motion and is......
Comparison table of steel grades at home and abroad
Steel Number Comparison Between Domestic and Overseas
Steel is one of the most important commodities in the world, as it is used in a wide range of applications such as in the construction and machine industries. Steel manufacturers around the world assign unique numbers to their respective steel......
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 702-1986 Dimensions, shape, weight and allowable deviation of hot-rolled round steel and square steel
GB/T 702-1986 Hot Rolled Rounds and Squares Steel Dimensions, Shapes, Weights and Permissible Variations
This standard specifies the size and shape, permissible asperities and permissible deviations of hot rolled circles and squares for general structural purposes. This standard applies to round ......
Mechanical Properties of Seamless Steel Tubes for High Pressure Fertilizer Equipment (GB 6479-2000)
The Mechanical Properties of Seamless Steel Pipes for High Pressure Fertilizer Equipment (GB 6479-2000)
The mechanical properties of seamless steel pipes for high-pressure fertilizer equipment (GB 6479-2000) refer to the properties of materials and the performance of various products in the produ......
GB/T 4171-2000 Designation and chemical composition of high weathering structural steel
Introduction
GB/T 4171-2000 high-resistance structural steel is a higher corrosion resistance steel compared to ordinary carbon structural steel. Developed primarily for outdoor applications, it is suitable for use in machining, welding and bending parts and components. It is an important structu......
ASTM A484M-1998 General requirements for stainless and heat-resistant steel bars, billets, and forgings
Abstract
This specification covers general requirements for wrought stainless steels and heat resisting steels in the form of bars, billets, blooms, and forgings for general requirements. The steel shall conform to chemical composition requirements, in which cost-effectiveness shall be considered......
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