Cold Rolled Galvanized Steel Coil For Construction

Product Specification

COLD ROLLED GALVANIZED STEEL COIL FOR CONSTRUCTION

Defects such as pitting corrosion and scale that are common in hot rolling do not exist in the production process because there is no heating. Good surface quality and high finish. In addition, cold-rolled products have high dimensional accuracy, and the performance and structure of the product can meet special application requirements such as electromagnetic performance and deep drawing performance. Performance: Low carbon steel is mainly used, which requires good cold bending welding performance and certain stamping performance.
Cold-rolled steel coils have good performance, that is, through cold rolling, cold-rolled steel strips and steel plates with thinner thickness and higher precision can be obtained. Cold-rolled steel coils have high flatness, high surface finish, smooth surface, easy coating processing, and variety Wide range of applications, high stamping performance, no aging, low yield point. Therefore, cold-rolled thin coils are widely used, mainly in industries such as automobiles, printing drums, construction, building materials, and bicycles.

Our company is a professional galvanized steel coil manufacturer with ISO CE certificates and big factories of 50 000 tons per month productivity. We supply galvanized steel coils from zinc coat Z30 to Z275gsm, including hot dipped galvanized and electro-galvanized coils. Regular spangle, small spangle and zero spangle surface available.We have large stock for fast delivery and offer free sample and customization service. Main markets distributing in North America, South America, Africa, Southeast Asia as well as Oceania, our company built stable cooperation with customers from more than 100 countries and regions.

PARAMETER OF COLD ROLLED GALVANIZED STEEL COIL

What is the difference between cold rolled galvanized coil and hot rolled galvanized coil:

1. Cost
Because there is one less process than cold-rolled substrates, the production cost of galvanizing hot-rolled substrates is lower than that of cold-rolled substrates, mainly due to annealing costs and cold-rolled rolling costs, and the other processes are similar.

2. Quality performance
Because the hot-rolled substrate is only pickled and annealed to remove surface impurities, the surface is relatively rough, the zinc layer has better adhesion, and the coating thickness is biased towards 140/140g/m2. However, the thickness dimension is not as high as cold rolling, and since most of them are thick zinc layers, the thickness control of zinc layers is not uniform. There is little difference in mechanical properties, and some properties are even better than cold rolling.

3. Field of application
Because the dimensional accuracy and surface quality of the hot-rolled galvanized sheet are not as good as those of the cold-rolled substrate, and the thickness is thicker than that of the cold-rolled galvanized sheet, it is often used for structural components with low surface requirements but high strength and thickness requirements.
For example, the structural parts of home appliances such as washing machines and refrigerators, the internal structural parts of automobiles, the structural parts of automobile chassis, passenger car bodies, roof panels, highway guardrails, cold-formed steel, etc.

Because the cost of hot-rolled galvanized sheet is low, and with the progress of technology, the thickness of specifications is getting larger and larger, and the usage is gradually increasing.

PRODUCT DETAIL DISPLAY OF COLD ROLLED GALVANIZED STEEL COIL

Cold Rolled Zero Spangle Galvanized Steel Coil Surface

Cold Rolled Large Zinc Flowered Galvanized Roll With Smooth Surface

Cold Rolled Small Spangle Galvanized Steel Coil 

Cold Rolled Different Zinc Spangles Surface Pictures

PACKAGING OF COLD ROLLED GALVANIZED STEEL COIL

Fine packaging: internal vellum, transparent plastic, external vellum, iron sheet, steel strip from the inside out. But on both sides of the annular steel plate, coil inner layer of oil paper, outer iron.

QUALITY TEST AND WEIGHIING OF COLD ROLLED GALVANIZED STEEL COIL

Each batch of goods before leaving the factory will carry out strict quality and weight inspection to ensure that the products meet the requirements.

APPLICATION OF COLD ROLLED GALVANIZED STEEL COIL

PRODUCTION PROCESS OF COLD ROLLED GALVANIZED STEEL COIL

COMPANY INTRODUCTION COLD ROLLED GALVANIZED STEEL COIL

CERTIFICATE OF COLD ROLLED GALVANIZED STEEL COIL

FAQ

1. Q: Are you a factory or trading company?

A: We are a Chinese manufacture of steel pipes with both factories and trading companies.
2. Q: Can I get samples before order?
A: Yes, of course. Usually our samples are free. we can produce by your samples or technical drawings.
3. Q:what is your delivery time?
A:The time of delivery is usually around 1 month. We can send out in 3 days if it has stock.
4. Q:What is your payment terms?
A:Our usual payment term is 30% deposite, and rest against B/L. L/C is also acceptatble EXW, FOB, CFR, CIF.
5.Q:What do your factory do regarding quality control?
A:We have gained ISO, CE,API authentication. From material to products, we inspect each process to keep good quality.
6. Q:How can you ensure what I got will be good?
A: Alibaba will act as our guarantor. If the product fails the inspection before leaving the factory, you can refuse to accept the goods.
7. Q:How do you make our business long-term and good relationship?
A:We keep good quality and competitive price to ensure our customers benefit ; we respect every customer as our friend and we sincerely do business and make friends with them. No matter where they come from.