The Processes Of Cold Rolling
DATE:2019-04-11 HIT:281

Bothcold rolled and hot rolled steelstart out as large steel slabs or billets cast from hot liquid metal. The billets are then heated, eventually reaching over 1700°F. At this high temperature, they are easily flattened into a long sheet using a set of rollers, ...

The differences between hot rolled and cold rolled steel
DATE:2019-04-07 HIT:251
Customers often ask us about the differences between hot rolled steel and cold rolled steel.Both hot rolled steel and cold rolled steel start out in essentially the same way and both can have the same grades and specifications. But cold rolled s...
The development process of rolling mill
DATE:2019-03-31 HIT:290
All over the world, steel has been widely used in various fields.And become the main raw material.About 90% of steel production is made by rolling.The production method of this mill has the advantages of many varieties, high efficiency, strong continuity of production...
How to choose the specification of steel strip rolling production line?
DATE:2019-03-27 HIT:220

When you want to create astrip mill, it is very important to choose the right type of strip to produce.So your options should be careful.

First of all, the selection and judgment should be made based on the market situation. Is the market targ...

How to choose the EPC company for steel strip rolling mills
DATE:2019-03-19 HIT:212
These situations must be determined according to your company's design and engineering capabilities. Also, examining each other's technical capabilities, reputation and successful engineering cases are important factors in making choices. Our company has inno...
what is cold rolled steel coil?
DATE:2019-03-15 HIT:188
The cold rolled steel coil is a type of cold rolled steel.It is different from the hot rolled steel coil.It refers to the steel ...
History of cold rolling steel coil production line
DATE:2019-02-28 HIT:107
Cold rolling of steel began in Germany in the mid-19th century, only 20--25mm wide cold rolled strip steel could be produced in that time.The 25 mm cold rolling strip mill was established in the United States in 1859, and a low carbon...
What is hot rolled steel coil?
DATE:2019-02-25 HIT:191

Hot rolled steel coil is made of slab (mainly continuous casting slab) as raw material, which is heated and then made into strip steel by ...

Development of hot rolled steel coil (hot strip) production lines in China
DATE:2019-02-21 HIT:199

The first hot rolled coil production line is the 2800/1700 semi-continuoushot strip millof Angang Steel Company Limited. This production ...

The advantages of the hot rolling
DATE:2019-02-18 HIT:217

Hot rolling can improve the processing performance of metal and alloy, that is, the coarse grain in casting state is broken, the crack is obviously healed, the casting defect is reduced or eliminated, the cast structure is changed i...

What is the hot rolled steel
DATE:2019-02-14 HIT:253

What is thehot rolled steel?As the name implies, “hot rolled steel” refers to the steel rolled by high temperature heating.The rolling process undergoes high temperatures of over 1,000°F, which is above the re-crystallization temperature for most steels...

The production process of the cold rolled steel coil
DATE:2019-02-10 HIT:329

The production process of cold rolled coil is slightly different according to the variety and specification of raw materials and products. The general process of cold rolled steel coil is introduced as follows.

1.Pickling.A continuous pickling...

Development of cold rolling strip (steel coil) production lines in China
DATE:2019-02-06 HIT:199
Comparing to other countries, the cold rolling strip production mills are started and developed a little late in China. The begining of cold rolled steel coil production in China is at 1961, Angang steel built the first cold rolled strip mill with the engineering and...
The benefits of the cold rolled steel coils
DATE:2019-01-24 HIT:241
The hot rolled and cold rolled steel start out as large steel slabs .The basic difference between these two types of steel is one of process. As you can imagine, “hot rolling” refers to processing done with heat. “Cold rolling” refers to processes done at or...
History of cold rolled steel coil production line
DATE:2019-01-20 HIT:380

Cold rolling of steel began in Germany in the mid-19th century, only 20--25mm wide cold rolled strip steel could be produced in that time.The 25 mm cold rolled strip mill was established in the United States in 1859, and a low carbon steel strip with a width of ...

History of hot rolling steel coil production line
DATE:2019-01-13 HIT:276

The first continuous (tandem) rolling coil production line was born in US in 1925. This is the first hot continuous rolling coil mill in the world.From this production line, the hot rolled coil production technology has three phases. <...

What is the cold rolling coil line (cold rolled coil mill)?
DATE:2019-01-09 HIT:239

The cold rolled coil line refers the cold rolled steel coils production lines and mills, the rolling process for such coils are under the steel recrystallization temperature, so it calls cold rolling process. It is professional eq...

What is hot rolled steel coil line? (hot rolling coil mill)
DATE:2019-01-06 HIT:304

Hot rolled steel coil line is the continuous production line of hot rolled steel coil . By the means of hot rolling process, this producti...

Award ZhongZhi Co. “Tianjin City Excellent Technology Small Colossus”
DATE:2018-08-20 HIT:303
From the news of the conference of accelerating the development of the technological medium and small size enterprises, 19 cadres were chosen to be “Excellent Cadre Of Helping The Technological Medium And Small Size Enterprises To De...