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Definition of galvanized flat steel
Galvanized flat steel refers to galvanized steel with width of 12-300mm, thickness of 4-60mm, rectangular section and slightly blunt edge.
Main purpose
Galvanized flat steel can be used as finished material to make hoop iron, tools and mechanical parts, and it can be used as building frame structural parts and escalators.
Galvanizing process and flow
Hot dip galvanizing is also called hot dip galvanizing and hot dip galvanizing: it is an effective way of metal corrosion prevention, mainly used on metal structures and facilities in various industries. It is to immerse the derusted steel into the molten zinc at about 500 ℃, so as to attach zinc layer on the surface of the steel member, so as to prevent corrosion.
Hot galvanizing process flow: finished product pickling - water washing - adding plating aid - drying - hanging plating - cooling - chemical - cleaning - grinding - hot galvanizing completion
Hot galvanizing is developed from the older hot galvanizing method. It has a history of 140 years since France applied hot galvanizing to industry in 1836. However, the hot-dip galvanizing industry has been developed on a large scale with the rapid development of cold rolled strip steel in the past 30 years
Advantages of galvanized flat steel
1. Special product specifications. The thickness is 8~50mm, the width is 150-625mm, the length is 5-15m, and the product specification span is dense, which can meet the needs of users. Instead of using medium plates, welding can be carried out directly without cutting.
2. The product surface is smooth and clean. High pressure water descaling process is adopted for the second time in the process to ensure smooth and clean steel surface.
3. Both sides are vertical and the water chestnut is clear. The second vertical rolling in finishing rolling ensures good perpendicularity of both sides, clear angle and good edge surface quality.
4. The scale of the product is accurate, with three-point difference and the same level difference superior to the steel plate standard; The product is straight and of good shape. Continuous rolling process and automatic looper control are adopted for finish rolling to ensure no steel stacking and no steel pulling. The product has high dimensional accuracy, and the tolerance range, three-point difference, same strip difference, sickle bending and other parameters are superior to the medium plate, and the flatness of the plate is good. Cold shearing, with high precision of length and sizing.
5. The product material adopts the national standard, which is the same as the steel plate, and the quality and technical standards are in accordance with YB/T4212-2010 standard (Q345B/Q235B refer to GB/T1591-94 and GB/T700-88 respectively).
Specification
|
Product name |
Hot rolled flat steel |
|
Color |
As picture |
|
Country of origin |
China |
|
Delivery time |
The delivery date shall be in accordance with the contract |
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Size |
Customized |
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Use |
Automotive, solar energy, metal products, household appliances, precision electronics, containers, machinery manufacturing, elevators, sanitary ware, rail transit, pressure vessels, architectural decoration, nuclear power, catering kitchen utensils, chemical equipment, household appliances, structural pipe making |
Product output range
FAQ
1.Why you choose us ?
Our company has been 12 years. We control the quality of the products very strictly, there are special people for the quality.
If you got lower price from other supplier ,we will pay back twice to customers about the higher price.
2.How long is your delivery time?
According to the quantity.Generally within 2-7 days if in stock.And 15-20 days if not in stock.
3.What is your payment terms?
A: By T/T 30% in advance ,and 70% before delivery.
B:100% L/C at sight.
C:By T/T 30% in advance,and 70% L/C at sight.
4.Do you provide samples ? Is it free?
Yes, we offer the sample for free but do not pay for the cost of freight.
5.What if the customer is not satisfied?
If there is a problem with the product,we take full responsibility.
If there is a problem in the transportation process,we will help you to solve it.
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