Types and uses of high alloy steel
High alloy steel refers to alloy steel with more than 10% alloying elements in the steel. Its brand name is prefixed with the letter X, followed by a number representing the average carbon content (in tens of thousands) and alloy element symbols (arranged by content), and finally the average percentage value indicating the content of each major alloy element (rounded to an integer).
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Classification of carbon steel
Carbon steel is an iron carbon alloy with a carbon content ranging from 0.0218% to 2.11%. Also known as carbon steel. Generally, it also contains small amounts of silicon, manganese, sulfur, and phosphorus. Generally, carbon steel with higher carbon content has higher hardness and strength, but lower plasticity.
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The industrial economy grew rapidly in the first half of the year! Which industry has injected new impetus into Qingtian?
Since the beginning of this year, our county has fully implemented the spirit of the "Two Mountains" development conference in the city, firmly adhered to the prominent guidance of high-quality and green development, and achieved a "half year red" from January to June, with the added value of the secondary industry reaching 5.49 billion yuan, an increase of 10.7%, achieving rapid growth.
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National standard for duplex stainless steel
The new standard GB/T 20878-2007 "Grades and Chemical Composition of Stainless Steel and Heat Resistant Steel" in China has added many grades of duplex stainless steel. For example: 14Cr18Ni11Si4AlTi, 022Cr19Ni5Mo3Si2N, 12Cr21Ni5Ti. More grades can be found in the standard.
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Qingtian Tax Agency Established Full Moon "Slimming, Fitness, and Strengthening" to Shape a New Tax Style
Zhejiang Online, August 20th News (Zhejiang Online Correspondent Lin Weijian and Yang Hui) "After the establishment of the new tax bureau, we can enjoy various convenient services such as one-stop service, one-stop service, and one click consultation. Our tax costs are further reduced, and tax efficiency is greatly improved. These are all visible and tangible" dividends "of reform!" Zhou Yong, Chairman of Qingtian Ouqiao Trading Co., Ltd., said that taxation and regional development The growth o
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What are the new experiences for taxpayers when the new tax agency is fully listed?
On July 20th, the national county and township tax and local tax institutions were officially merged, and all new tax institutions at the county and township levels were uniformly listed. At this point, all new tax institutions at the provincial, municipal, county and township levels across the country have completed their listing, and the grassroots frontline tax departments with the closest contact with taxpayers have officially entered a new era. On August 20th, the new institution welcomed i
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