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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......
1036 
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......
A Review of Brazing (Part 1)
Introduction to Brazing
Brazing is a widely used method for joining two pieces of metal together, usually with a filler metal, such as copper, brass, bronze, or aluminum. The brazing process is fairly simple, as it involves heating the pieces of metal with a torch or other heat source and then in......
Temporary protection
Temporary Protective Orders
Temporary protective orders, or TPOs, are a type of court order that can be issued for a variety of situations, usually involving the protection of an individual or property from harm. These orders can be issued for a variety of reasons, such as restraining someone fro......
Forging: Cover Dies
Introduction
Forging and stamping have a rich history of industrial metalworking, from hundreds of years ago when primitive man hammered and cut metal to shape weapons and tools to today where metal parts are formed, stamped, punched and cut into intricate parts for the automotive and aerospace in......
Lead and lead antimony alloy plate GB 1470-88
Lead and Lead-antimony Alloys Plate
Lead and lead-antimony alloys plates are metals made up of element lead, with small amounts of other elements, such as antimony. These plates are often malleable, ductile and low melting point. They are often used in various applications ranging from shielding ......
China's current heat treatment standards
Introduction
Heat treatment is a process used in the manufacturing of metal products and components for the purpose of changing their physical and sometimes chemical properties. Heat treatment is used in a wide range of industries, including automotive, aviation, electrical and medical manufactu......
GB 1173-86 Specifications for Casting Aluminum Alloys
，或者英文报告
2500 Words on Casting Aluminum Alloy Technology
The casting of aluminum alloys is an important process for producing components of various shapes and sizes. The technology has been around since ancient times and has been used to create tools, weapons, and sculptures. In this paper, ......
0Cr17Ni12Mo2N use
Stainless Steel (1Cr17Ni12Mo2N) Introduction
Stainless steel (1Cr17Ni12Mo2N) is a type of stainless steel alloyed with carbon, manganese, sulfur, and phosphorous. Its a popular material used mainly in the kitchen and bathroom due to its strength, durability, and corrosion resistance.
Composition......
20MnMoNi4-5 use
1. Introduction
The 20MnMoNi4-5 is a type of low alloy steel, which is made up of a base alloy of iron in combination with manganese, molybdenum, nickel and other metals. This form of steel is a popular choice in many industries, since it can be used in a wide range of applications. For example,......
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