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China Supplier Magnetic Whiteboard Steel Sheet/prepainted Steel Coil
Negotiable
MOQ: 1 set (Price negotiable depending on order volume and customization)
Key Specifications
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Business Type:
Trading Company
Year Established:
2016
Annual Export Value:
US$10 Million - US$50 Million
Payment & Shipping
Payment Methods:
Port of Shipment:
China
Delivery Detail:
Delivery time depends on order quantity.
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Product Description
Aluminized zinc steel sheet is an alloy coated steel sheet with the best combination of aluminum and zinc composition and structure. It has the corrosion resistance of aluminum, heat resistance and the electrochemical properties of zinc, and the surface is uniquely smooth, flat and gorgeous spangles , The base color is silver gray: the coating composition is composed of 55% aluminum, 43.4% zinc and 1.6% silicon in weight ratio.
Basic Characteristics
Weight ratio: |
55%A1 43.4%Zn 1.6%Si |
Volume ratio: |
80%A1 18.0‰Zn 2.0‰Si |
Density: |
3.75g/cm3 |
Melting point: |
590℃ |
Hardness: |
120~159(MHV) |
Surface: |
silver gray, uniform cobalt stone spangles |
The role of aluminum, zinc, silicon
Aluminum, zinc :
A1<5%, A1↑→Corrosion resistance↑
5%~25%, A1↑→Corrosion resistance↓
A1>55%, the corrosion resistance is not significantly weakened, but some pitting corrosion appears. 55% A1 is the best and 25% A1 is the worst.
Silicon:
1. Inhibit the reaction between the steel strip and the bath melt
2. Inhibit the growth of aluminum-rich dendrites and improve the ability to resist peeling
3. "Heterogeneous nucleation"" to refine spangles
4. Reduce the viscosity of the plating solution and reduce the thickness of the alloy layer
5. Speed up the dissolution rate of the alloy layer
Product advantages
①Good corrosion resistance
Under various environmental conditions, the galvanized steel sheet has excellent corrosion resistance than the hot-dip galvanized steel sheet of the same thickness, and its service life is 2-6 times that of the ordinary galvanized steel sheet. Since the microcracks of the aluminum-zinc-plated deformed parts are smaller than that of the hot-dip galvanizing, the corrosion resistance in the forming area is much higher than that of the hot-dip galvanizing.
②Good surface characteristics
The surface characteristics are good, the spangles are small and uniform, the color is bright silver gray, and the surface hardness is high (not easy to scratch).
③Good processability
The 55% aluminum-zinc alloy coated galvanized steel sheet has excellent adhesion and flexibility. It has excellent shape and workability similar to galvanized steel sheet. Especially, there are few cracks in the processing part on the steel sheet, and the durability of the processing part is excellent .
④Good heat resistance
The heat resistance of galvanized steel sheet is much better than that of galvanized steel sheet, and has the characteristics similar to that of aluminized steel sheet:
Galvanized steel:
It is recommended not to exceed 230℃ at high temperature, it will change color if it exceeds 250℃.
Galvalume steel:
The color does not change even when used for a long time at around 315℃, and it can also be used at around 370℃ for a short time.
⑤Good heat reflection
The heat reflectivity of steel plate is about twice higher than that of galvanized steel plate, so when uncoated products are used on roof and partition wall panels, better energy saving effect can be obtained.
Material |
Thermal conductivity |
Aluminized steel sheet |
40 |
Galvalume steel |
65 |
Galvanized steel |
120 |
Refractory cement |
150 |
⑥Good coating performance
When the galvanized sheet is used as a writing board or other purposes for painting, it only needs to be degreasing without pretreatment or etching treatment. The reason is that the coating and the coating have a good polarity combination, and the hot-dip galvanized layer It won't work.
⑦ Relatively light weight
Due to the light weight of the galvanized steel plate, under the same coating thickness, the unfolded area of ton steel is larger than that of galvanized steel. Take 0.48m and 40μm coating (both sides) as an example, its weight per square and ton of steel can be unfolded The area is as follows:
Substrate: AZ150 Z275; AZ150 Z275
Weight per square meter: 3.94kg 4.06kg
Expandable area: 254m2 246m2
Post-processing
-Passivation treatment ：Chromated
-Anti-finger printed： Anti-finger printed
-Oiled treatment ：0iled
Supply characteristics
Substrate: |
Supply according to ASTM792, GB/T14978-2008 standards or customer requirements. Specific steel grades include SGLCC, G345, G300,G550, etc. |
Coating: |
Coating ≥AZ80 or customized according to customer needs |
Coating structure: |
smoothing small spangles (or laser texturing) |
Width: |
600-1250mm |
Thickness: |
0.12-1.2m |
Application field
Electromechanical: computer case, communication equipment, electric box, electric cabinet, etc.;
Electrical appliances: oven, washing machine, refrigerator, dehumidifier, video recorder, water heater, etc.;
Construction: floor deck, ceiling, balcony, warehouse, roof, compartment, wall, etc.;
Transportation industry: interior parts of the car body, batu and back seat parts of trucks, conveying systems, fuel tanks, etc.;
Agricultural equipment: large barns, storage rooms, greenhouses, agricultural dryers, water tanks, feeders, etc.;
Furniture and others: vending machines, entertainment machines, chimney pipes, office equipment, garages, etc.
Packing & Delivery
Package：
1.in bundles
2.on the steel pallet
3.on the wood pallet
4.standard seaworthy packing
5.as per customer's request
Company Profile
Tianjin Emerson Commercial and Trade Co.,Ltd is a comprehensive commercial company, doing domestic and foreign trade, supplies steel products, sanitary ware products and rubber crumbs products. Mainly provides steel plate, steel sheet, steel pipe,seamless steel pipe and tube, round bars and steel section, and doing steel products processing service: steel plate and sheet processing service. The processing works concludes cutting the larger plate into the small sizes customer demand, cut by drawing, cut to special sizes, weld the cut parts by drawing, also make galvanizing processing or surface painting on the final processed parts; steel pipe hollow bar cutting and lathe processing to make the outer diameter and wall thickness to meet customers requirement, also make heat treatment for hollow bars and pipes. Tianjin Emerson Commercial and Trade Co.,Ltd has large stocks for the carbon steel and low alloy steel plates and sheets, especially have the thick plate and heavy plates on stock, also can provide the special material and large size steel plates, boiler and pressure vessel steel plate, marine steel plate, hot rolled steel plate for new production. Tianjin Emerson Commercial and Trade Co.,Ltd also has large stock for hollow bars, thick wall seamless pipes and tubes. Tianjin Emerson Commercial and Trade Co.,Ltd can provide good service for customer, good quality products, fast delivery, and after-sale service, Tianjin Emerson hopes to build good cooperation with everyone interested.
FAQ
1. Who are we?
We are based in Tianjin, China, start from 2013,sell to Oceania,South America,Southeast Asia,Western Europe,North America,Afric,South Asia. There are total about 5-10 people in our office.
2. How can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;
3.What can you buy from us?
Hot Rolled Steel Sheet,Hot Rolled Steel Coil,Seamless Steel Tube,Cold Rolled Steel Coil,Galvanized Steel Coil,Round Bar
4. Why should you buy from us not from other suppliers?
Mainly provide steel plate, steel sheet, steel pipe,seamless steel pipe and tube, round bars and steel section, providing steel products fabricatio service: cutting,welding, drilling holes, processing on lathe and grinding machine, round bar turn and peel
5. What services can we provide?
Accepted Delivery Terms: FOB,CFR,CIF,EXW,FAS,CIP,FCA,CPT,DEQ,DDP,DDU,Express Delivery,DAF,DES；
Accepted Payment Currency:USD,EUR,CNY;
Accepted Payment Type: T/T,L/C,D/P D/A,MoneyGram,Credit Card,PayPal,Western Union,Cash,Escrow;
Language Spoken:English,Chinese
We are based in Tianjin, China, start from 2013,sell to Oceania,South America,Southeast Asia,Western Europe,North America,Afric,South Asia. There are total about 5-10 people in our office.
2. How can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;
3.What can you buy from us?
Hot Rolled Steel Sheet,Hot Rolled Steel Coil,Seamless Steel Tube,Cold Rolled Steel Coil,Galvanized Steel Coil,Round Bar
4. Why should you buy from us not from other suppliers?
Mainly provide steel plate, steel sheet, steel pipe,seamless steel pipe and tube, round bars and steel section, providing steel products fabricatio service: cutting,welding, drilling holes, processing on lathe and grinding machine, round bar turn and peel
5. What services can we provide?
Accepted Delivery Terms: FOB,CFR,CIF,EXW,FAS,CIP,FCA,CPT,DEQ,DDP,DDU,Express Delivery,DAF,DES；
Accepted Payment Currency:USD,EUR,CNY;
Accepted Payment Type: T/T,L/C,D/P D/A,MoneyGram,Credit Card,PayPal,Western Union,Cash,Escrow;
Language Spoken:English,Chinese
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Business Type
Trading Company
Year Established
2016
Annual Export Value
US$10 Million - US$50 Million
Main Markets
Southern Europe, Northern Europe, Central America, Western Europe, Eastern Asia, Mid East, Oceania, Africa, Southeast Asia, Eastern Europe, South America, North America
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