Effect of microalloying element crystallization on properties of 15mm S690QL alloy steel plate

The company has 15mm S690QL alloy steel plate advanced production equipment and machining technology, excellent marketing team and domestic regional channel partners, and sound management plan for product market development and after-sales service. After years of cooperation experience 15mm S690QL alloy steel plate, we have accumulated a large number of customers at home and abroad, and won unanimous praise.

The difference between q345 and q235 steel 15mm S690QL alloy steel plate
The lower limit of yield strength of Q345 is 345MPa (the actual meaning of Q is the Chinese character ""qu"", and the standard value behind means the lower limit of yield strength). Q235 steel is used for metal structural parts, nitrided or cyanidized parts with low core compressive strength requirements, support rods, crankshafts, crane hooks, couplers, bolts and nuts, sleeve specifications, shafts and weldments.

The cold rolled sheet does not produce scale because it is rolled at room temperature. Therefore, the surface quality of cold plate is good and the dimension precision is high. In addition, the mechanical and technological properties of cold rolled coil are better than that of hot-rolled steel sheet. In many fields, especially in the field of home appliance manufacturing, it has gradually replaced hot-rolled steel sheet, 15mm S690QL alloy steel plate.

The hot rolling method is to heat the 15mm S690QL alloy steel plate steel material to about 1000 ℃ ~ 1250 ℃ and use the rolling mill to roll it. The traditional hot rolling process is generally divided into the following two steps: the first step is to use the primary rolling mill or billet rolling mill to roll the ingot, billet or continuous casting billet into a certain shape and size of billet. This kind of 15mm S690QL alloy steel plate rolling process is usually called semi-finished product production, also called blank production.

Weathering steel 15mm S690QL alloy steel plate inventory: 22*3400*13000, 23.1*2590*7790, 25*1600*9300, 25*1600*9500, 25*2400*8200, 30*1600*10720, 30*1600*8600, 31.2*2950*9380, 31.9*2920*9420, 32*2500*6000, 34*1900*12000, 38*3300*13400, 60*1750*9100, 70*2260*7240, 70*2260*7700, 70*2260*7950, 70*2270*7000, 70*2270*7350, 70*2270*7600, 70*2500*12000, 75*2390*4320, 80*2200*10000, 80*2250*8850.

Our company will accept the product quality objection registration record, pass it to the 15mm S690QL alloy steel plate production unit and relevant departments, and timely coordinate the supervision of product 15mm S690QL alloy steel plate quality objection. Our company coordinates the relevant department personnel to the customer unit to carry on the investigation, the processing.