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Comparison table of commonly used steel grades at home and abroad (6)
Steel grade equivalents table
Country USA UK Germany France Italy Spain Sweden Japan
AISI/SAE Werkstoff DIN AFNOR UNI UNE JIS
1018 1.0453 C10/C15 22Mn6/C22C10 1449/08 070M20/070A22 1020 CK22/C22 050A20/C20
1022 1.0619 S22C S15CK/C15CK S20C 080M15/080A15
1030 1.1133 C25/C30 25Mn4/C25C10 1449/0......
1069 
Lily
Representation method of brand name of domestic melting flux
The brand name of domestic molten welding fluxes is commonly represented by a combination of four (or five) letters and two figures, such as TK-308. The letter part is constituted mainly by the initial letters of the flux type, its source and its brand; the figure part mainly represents three item......
China Metallurgical Refractories Industry
China Ferritic Refractory Materials Industry
China is one of the largest producers of ferritic refractory materials in the world. The ferritic refractory materials industry of China is a mature and highly specialized industry with a high degree of integration with the global economy. The industry......
coal mining
Coal Mining: The Dangerous Job on Earth
Coal mining is a dangerous job that requires very specialized skill sets and knowledge. It is a type of mining performed to expose and extract coal from the earth, typically found in underground or open-pit mines. The main goal of coal mining is to remove c......
Ingot macro segregation
Overview of Chinese Steel Billeting
China is the world’s largest producer and consumer of steel, producing more than 800 million metric tons of steel each year and using more than 70% of it within the country itself. The steelmaking process begins with the production of steel billets, and China ......
Blast Furnace Smelting in Baiyun Obo Mine
The Baiyun-ebo Mining District is situated in the mountains of western Gansu Province. The area is renowned for its copper molybdenum ores, which have been mined by locals for centuries. Recently, a large open-cut copper and molybdenum ore mine was established in the area. The ore is processed wit......
Krupp law
Genseric was one of the greatest rulers of the Vandal Empire who was a prince of the Vandal people and was the mastermind behind its success and eventual expanses. His is a remarkable story about an incredible journey from poverty to power.
Genseric, who was born around 370 AD, was the eldest so......
North China Oil Region
The North China Oil Region
The North China Oil Region is an important area of oil and gas extraction in China. This region is composed of a number of provinces, cities and autonomous regions, including Hebei, Shanxi, Inner mongolia, Ningxia, Shaanxi, Gansu and Qinghai.
An analysis of the various......
Montmorillonite
Ouachita National Forest
Located in the White River watershed of Arkansas and Oklahoma, Doahita National Forest is one of the oldest national forests in the UnitedStates. Established in 1907, it encompasses over 1.6 million acresacross the two states, making it the largest national forest in Arka......
my country's iron ore resources
Iron Ore Resources in China
China has plentiful iron ore resources. In 2017, the iron ore reserves in China amounted to 23.80 billion tons, which ranks third in the world behind Russia and Australia. Placing into account variety, these iron ore resources include magnetite, hematite, limonite, sid......
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