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bronze smelting technique in ancient China
Bronze Smelting Technique in Ancient China
Bronze smelting was one of the great achievements of ancient China. Between the 16th and 11th centuries BC, the art of bronze smelting was perfected. In this process, the ore was heated to a high temperature, resulting in an alloy of copper and tin tha......
1057 
Erin
heat treatment of metals in ancient China
Heat Treatment of Metals in Ancient China
The history of heat treatment of metals in China dates back to the Shang Dynasty (1600-1046 BCE). This early heat treatment was used to soften and harden bronze utensils and weapons such as knives and spearheads, by heating and cooling in a process that i......
The development history of various grinding machines
The History of Grinding Machines
Grinding machines have been around for centuries and have been used in various industries for shaping, grinding and finishing various materials. They have evolved from manual labor to sophisticated machinery and are now used in many different industries for a vari......
International brand core making machine operating procedures
International P-Card Chip Operation Regulations
Article I: Scope
This Operation Regulations are applicable to international P-Card chip operations.
Article II: Definition of Terms
1. International P-Card: A card payment previously issued by the bank in a foreign country, hereinafter referred......
100CrMn6 use
The AISI E52100 steel (100CrMn6) is a high carbon alloy steel that is primarily used in the manufacture of machinery parts and components. This alloy is a suitable material choice for applications where high wear resistance, high fatigue strength and good ductility are essential.
The AISI E52100......
65Mn use
65Mn steel is a well-known alloy steel in China. It has good physical, chemical and mechanical properties, and is widely used on the market.
65Mn is mainly used to manufacture springs, clutch plates and various wear-resistant parts. The springs made of 65Mn steel have superior high temperature fa......
Representation method of commonly used steel product grades
Steel Grades
Steel grades refer to steel products with a set of specific chemical and physical properties that are adapted for specific applications. Steel grades are used by different manufacturers and metallurgists to determine the properties of steel products. Depending on the grade used, diff......
Q215B use
Internet Privacy
In todays technology-driven world, internet privacy is a hot topic of conversation. Everywhere we turn, we are surrounded by technology – social media accounts, smart phones, video streaming services, and more, all add to the personal data being collected and shared amongst var......
Q275 use
Technology: The Ever-Changing Face of the 21st Century
The past few decades have seen an unprecedented amount of change in the realm of information technology (IT). The 21stcentury is undoubtedly a technological marvel; computers and the internet have become integral components of our lives, trans......
X3CrNb16 use
Steel X3CrNb16
Steel X3CrNb16 is a common steel used in many applications. It is a no-alloy steel, meaning it does not have any other elements added to it, other than the primary elements iron and carbon. Typical of all ferrous alloys, steel X3CrNb16 is harder, stronger and more durable than plai......
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