Specifications

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1.specification 

 

  

Steel Production:  Hot sale ASTM A36 mild steel plate, carbon steel plate, standard steel plate price cut to your size .When iron is smelted from its ore by commercial processes, it contains more carbon than is desirable. To become steel, it must be melted and reprocessed to reduce the carbon to the correct amount, at which point other elements can be added. This liquid is then continuously cast into long slabs or cast into ingots. Approximately 96% of steel is continuously cast, while only 4% is produced as cast steel ingots.

 

The ingots are then heated in a soaking pit and hot rolled into slabs, blooms, or billets. Slabs are hot or cold rolled into sheet metal or plates. Billets are hot or cold rolled into bars, rods, and wire. Blooms are hot or cold rolled into structural steel, such as I-beams and rails. In modern foundries these processes often occur in one assembly line, with ore coming in and finished steel coming out. Sometimes after a steel's final rolling it is heat treated for strength, however this is relatively rare.

 

 

Application: .Iron and steel are used widely in the construction of roads, railways, other infrastructure, appliances, and buildings. Most large modern structures, such as stadiums and skyscrapers, bridges, and airports, are supported by a steel skeleton. Even those with a concrete structure will employ steel for reinforcing. In addition, it sees widespread use in major appliances and cars. Despite growth in usage of Aluminium, it is still the main material for car bodies. Steel is used in a variety of other construction materials, such as bolts, nails, and screws.

 

 

2.Chemical composition.

 

 

Grade		Chemical Composition,  %
		C	Mn	Si	S	P
		No more than
Q195		0.06~0.12	0.25~0.50	0.3	0.05	0.045
Q215	A	0.09~0.15	0.25~0.55	0.3	0.05	0.045
	B				0.045
Q235	A	0.14~0.22	0.30~0.65	0.3	0.05	0.045
	B	0.12~0.20	0.30~0.70		0.045
	C	≤0.18	0.35~0.80		0.04	0.04
	D	≤0.17			0.035	0.035
Q255	A	0.18~0.28	0.40~0.70	0.3	0.05	0.045
	B				0.045
Q275		0.28~0.38	0.50~0.80	0.35	0.05	0.045

 

 

 

	Chemical Composition
	C	Si	Mn	P	S
Q345B	≤0.20	≤0.55	1.00-1.60	≤0.040	≤0.040
Q345C	≤0.20	≤0.55	1.00-1.60	≤0.035	≤0.035
Q345D	≤0.18	≤0.55	1.00-1.60	≤0.030	≤0.030

 

 

3.Prevention of rust.

 

 

4.Product show

 

 

5.Container information

 

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