Two new national standards will be performed in February 2024 YB/T 6110-2023 Hot rolled steel plates and strips of chromium-manganese-nickel-nitrogen austenitic stainless steel This document specifies the chromium – manganese – nickel – nitrogen austenitic stainless steel hot rolled steel plate and steel strip order content, grade, size, shape, weight,…
How is the subcutaneous bubble of continuous casting billet formed? Under the skin of the billet there are large bubbles growing in the direction of columnar crystals with diameter and length of more than 1 mm and 10 mm respectively. These bubbles, such as those exposed to the outside, are…
During production and operation process of induction furnace, every operator shall observe the key dangerous factors and do good protection for himself and others. Explosion risk Medium frequency furnace due to refractory masonry or baking is not qualified, serious corrosion of the furnace lining, cooling water pipe defects or water…
Correctly apply induction furnace is related to the actual production efficiency. Some factors shall affect the work efficiency of the intermediate frequency furnace. Intermediate frequency furnace power The power of the intermediate frequency furnace should be based on the material of the heated metal, heating temperature, heating time and heating…
Argon, an inert gas, does not dissolve in molten steel and does not react with any element. It is a very ideal stirring gas, so it is widely used. In terms of agitation, nitrogen is the same as argon, and nitrogen is cheap, but nitrogen can be dissolved in molten…
The world record of continuous casting round billet with 1.2m diameter will be broken, CFHI company is manufacturing diameter 1.6 meters oversized cross-section round billet vertical semi-continuous casting machine, is the world’s first set. After the commissioning of this equipment, the maximum length of casting billets can be cast 12.5…
Characteristics of Induction heating include below (1) High heating temperature, and non-contact heating. (2) High heating efficiency. (3) Fast heating speed. (4) The temperature is easy to control. (5) Can be localized heating. (6) Easy to realize automatic control. (7) Good working environment, almost no noise and dust. (8) Less…
BHP Billiton has partnered with Allonnia, a Bill Gates-backed biotech startup, to investigate the use of rock-eating microbes to address emissions from the steelmaking process.Allonnia has discovered microbes in BHP Billiton’s iron ore that reduce the levels of phosphorus and aluminum in the ore, increasing the grade of the iron…
Photovoltaic demonstration project in steel mill works steady. The first phase of Jinxi Iron and Steel distributed photovoltaic project uses the roof, slope,avenue and open space in the factory to build photovoltaic 42MW project, all the photoelectric power generated is used for factory production. Huawei intelligent photovoltaic module controller is installed…
This week the Global Mineral Resources Strategy Research Center of the China Geological Survey released the Global Mineral Resources Reserves Assessment Report 2023. The report provides a comprehensive and objective assessment of the global reserves of 13 mineral resources by the end of 2021. The report collects data of more…
