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Product description
Galvanization is the leading method to protect metals from environmental elements that cause corrosion, rust, and the eventual weakening of the steel. Galvanized Plate Metal is a type of steel that has been treated with an application of protective zinc coating to help prevent it from rusting. Galvanized Steel Sheets are also easy to weld, form, and drill. With a typical protection life span of 20 years.Galvanization is the process that is used to apply the zinc to the steel through the use of electrochemical and electrodeposition processes. The steel parts are submerged into a vat of hot, molten zinc to form a protective coating.The most common means of galvanizing the steel available today is through what is known as hot-dip galvanization.Hot-Dip Galvanizing or HDG is a process in which zinc bonds to steel at the molecular level to produce a four-layer corrosion-resistant finish. The first three layers are zinc-iron alloy layers that are actually harder than the base steel. The fourth or top layer is pure zinc.When exposed to the atmosphere, pure zinc reacts with oxygen to form zinc oxide which further reacts with carbon dioxide to form zinc carbonate. A dull, grey, fairly strong material that stops further corrosion in most circumstances, protecting the steel from the elements. Zinc Coated Steel Plate is widely used in applications where rust resistance is needed. Galvanized steel can be welded however, you should exercise caution around the resulting fumes.
Hot Dipped Galvanized Steel Plates are excellent candidate for most processing techniques. Welding, torching, or abrasive sawing galvanized steel is not recommended without proper protection and adequate ventilation. Galvanized hot rolled steel, or mild steel, sheets have been dipped into a molten zinc coating, or zinc-iron alloy-coated (galvannealed) by the hot-dipped process (ASTM A653). Hot-dipped galvanize (HDG) can be identified by its crystallization pattern, also known as “spangle” on the surface of the material. Great corrosion resistance, excellent candidate for outdoor use or exposed environments. Common applications include HVAC, flashing, freezers, commercial and architectural uses, electrical boxes, enclosures and housings.
Applications of thin Gi Plate:
1. Construction: roof and roof component, outside walls of civilian and industrial buildings, garage doors and window blinds.
2. Houshold appliances: washing machine, refrigerator, television, air conditioner and ventilation system, Vacuum cleaner, solar water heater.
3. Transportation: car ceiling, auto Industry Muffler, heat shields of exhaust pipe and catalytic converter, the ship bulkhead, highway fence
4. Industry: industrial Instruments Electric control cabinet, industrial refrigeration equipment, automatic vending machine
5. Furniture: lampshade, counter, signboard and medical facility etc.
Product specification
Product Name
Galvanized Sheet
Thickness
2-8mm
Length
2m-12m or as your requirements
width
600mm-1800mm
Tolerance
Thickness: +/-0.02mm, Width:+/-2mm
Grade
Q195 Q235 SGCC SGCH SGC340 SGC400 SGC440 SGC490 SGC570 SGHC SGH340 SGH400 SGH440 SGH490 SGH540 DX51D DX52D DX53D DX54D S220GD S250GD S280GD S320GD S350GD S400GD S500GD S550GD
Pattern
Tear Drop, Diamond, Round Bean, Mixed Oval shape
Standard
ASTM,DIN,JIS,BS,GB/T
Certificate
ISO, SGS, BV....
Delivery times
Delivered within 20 workdays after the receipt of deposit
Package
tied up with steel strips and wrapped with water proof paper
Application Range
Widely used in transportation, construction, decoration,equipment
Advantages
1. Reasonable price with excellent quality
2. Abundant stock and prompt delivery
3. Rich supply and export experience, sincere service
Package
3 layers of packing, inside is kraft paper, water plastic film is in the middle and outside GI steel sheet to be covered by steel strips with lock,with inner coil sleeve .
Monthly Output
10000 tons
Remarks
Insurance is all risks and accept the third party test
Surface Treatment
Oiled, Passivation,Dry...
Spangle
Regular,Small, Big, Zero
Hardness
Soft Hard(HRB60), Medium Hard(HRB60-85), Full Hard(HRB85-95)
Trade Terms
EXW,FOB, CFR, CIF...
Coating type
Galvanized, Galvalume, Prepainted coating(PE, SMP, HDP, PVDF)
SURFACE QUALITY LEVEL
Name
Code
Instructions
Ordinary surface
FA
Ordinary Surface
Higher finish surface
FB
Small corrosion points, dark spots, band marks, zinc particles, passivation defects are allowed
High finish surface
FC
No corrosion spots are allowed, but minor indentation, scratch, zinc flow ripple, minor passivation defects are allowed in a small area, and the FA surface is maintained on the other side at least
Tensile Strength(MPa)
Yield Strength(MPa)
SS400
400-510
215-245
A36
400-550
250
Q235
370-500
235
St37
340-470
235
S235JR
360-510
Chemical Composition and Mechanical Property
C
Mn
Si
S
P
SS400
0.12-0.20
0.60-0.90
0.30
0.030
0.030
A36
≤0.25
0.60-0.90
<0.40
<0.05
<0.04
Q235
0.12-0.20
0.30-0.70
≤0.30
≤0.045
≤0.045
St37
0.21-0.25
---
---
≤0.065
≤0.065
S235JR
≤0.17
≤0.65
≤0.35
≤0.030
≤0.065
around the base plate, machinery, shipbuilding and other fields
GALVANIZED SHEETS
Thickness (ga)
Decimal Avg
Sheet Size
Weight per sq. foot
Weight per sq. sheet
Width
Length
10ga
0.135
48
96
5.781
184.99
48
120
5.781
231.24
11ga
0.120
48
144
5.156
247.49
12ga
0.109
48
96
4.531
144.99
48
120
4.531
181.24
48
144
4.531
217.49
60
96
4.531
181.24
14ga
0.083
48
96
3.281
104.99
48
120
3.281
131.24
16ga
0.063
48
96
2.656
84.99
48
120
2.656
106.24
60
120
2.656
132.80
18ga
0.050
48
96
2.156
68.99
48
120
2.156
Product Display
FAQ
Q: Are you trading company or manufacturer ?
A: We are factory. Our factory is located in Liaocheng,about two hours drive from Jinan.
Q: How long is your delivery time?
A: Generally 5-10 days if we have stock, or it depends.
Q: Do you provide samples ? Is it free or extra ?
A: Yes, we are glad to offer free samples for your trial but you have to afford the courier's cost.
Q: What is your terms of payment ?
A: 30% T/T in advance , the balance before shippment.
If you have any other questions, pls feel free to contact me.
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Main Product:
Carbon Steel Plate,
Seamless Steel Pipe,
Hot Rolled Steel Plate,
Galvanized Plate ,
Carbon Steel Pipe,
Galvanized Steel Plate
