1. Pig iron is usually divided into steel-making pig iron, casting pig iron and alloy pig iron according to different purposes.2. Mainly magnetite, hematite, sub-hematite magnetite, hematite, maghemit...
High carbon steel is often called as tool steel, with the carbon content ranging from 0.60% to 1.70%, which can be quenched and tempered. The hammers, crowbars and some others are made of steel with t...
Low carbon steel is a kind of carbon steel with the carbon content less than 0.25%. Because of its low strength, low hardness, softness, so it is also called mild steel. It includes most ordinary carb...
Iron ore is an important raw material for steel production enterprises. Different types of iron ore naturally have different characteristics. Now the following will illustrate several important iron o...
Making steel from iron ore methods can be generally divided into converter steelmaking and open hearth steelmaking. Now they are introduced as follows:1. Converter steelmaking processThe oxidant used ...
In China, iron ore is used to make iron directly, so how is iron extracted? The early method is to make iron by block, and later by shaft furnace. In the late spring and Autumn period, liquid pig iron...
Iron ore is an important raw material for iron and steel production enterprises: iron is gradually selected through crushing, grinding, magnetic separation, flotation, gravity separation and other pro...
There are many iron minerals in nature. There are more than 300 kinds of four kinds of iron ores that have been known by people, but there are only 20 kinds of iron ore used as raw materials now, the ...
Iron ore is the main raw material for long process steelmaking in iron and steel enterprises, and more than 80% of them adopt long process steelmaking. As the substitute of iron ore, scrap steel is th...
In general, the tensile strength, yield strength, plasticity and toughness of hot-rolled steel after overheating treatment will be improved. In addition, heat treatment can eliminate residual stress, ...
Hot rolling and cold rolling steel are both the processes of forming section steel or steel plate. Hot rolling and cold rolling steel have a great influence on the structure and properties of steel. T...
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