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Galvanized Steel Coil Manufacturer
Galvanized steel coil: Galvanized steel sheet through continuous hot-dip coating to improve their service life.
Technology: Immersing the thin steel plate in the molten zinc bath, and adhering a layer of zinc thin steel plate on the surface. It is mainly produced by the continuous galvanizing process, that is, the coiled steel plate is continuously immersed in the zinc-melted plating tank to make galvanized steel plate; alloyed galvanized steel plate. This kind of steel plate is also made by the hot-dip method, but it is heated to about 500 °C immediately after exiting the tank to form an alloy film of zinc and iron. This galvanized steel coil has good paint adhesion and weldability.
Coil/Sheet/Strip
Big Spangle/Regular Spangle/Non Spangle/Bright
Cutting Length,Slitting,Forming(rorrugated roofing)
Name
Hot Dipped Galvanized Steel Coil(Sheet/Strip)
Thickness
0.12-4.0mm Customized
Width
600-1250mm (Coil) / 20-600mm(Strip)
Zinc Coating
30-275g/m2 (hot-dip)(provide electroplating and alloying galvanizing)
Grade
DX51D,DX52D,SGCC,ASTM A653,JIS,G3302
Technique
Cold rolled and Hot rolled
Coil ID
508/610mm
Coil Weight
3-8 ton
Processing services
Tel :0086-531-88255090 Mob: 0086-15194159521
Email: export@zebrasteel.cn Whatsapp:0086-15194159521
Galvanized steel
The thickness of the zinc layer is large: usually the thickness of the zinc layer can reach 60-80 microns, or even thicker, so the anti-corrosion performance is excellent.
Strong adhesion: The zinc layer forms a good metallurgical bond with the steel plate substrate, with strong adhesion and resistance to detachment.
Widely applicable: Suitable for outdoor buildings, bridges, highway guardrails and other environments that require long-term corrosion resistance.
Grade
Yield Strenth(MPA)
Tensile Strength(MPA)
Elongation(%)
DX51D+Z
--
270-500
≥20
DX52D+Z
140-300
270-420
≥22
DX53D+Z
140-260
270-380
≥26
DX54D+Z
140-220
270-350
≥30
S220GD+Z
≥220
≥300
≥18
S250GD+Z
≥250
≥330
≥17
S280GD+Z
≥280
≥360
≥16
S320GD+Z
≥320
≥390
≥15
S350GD+Z
≥350
≥420
≥14
S400GD+Z
≥400
≥470
--
S500GD+Z
≥500
≥530
--
S550GD+Z
≥550
≥560
--
Galvanized coil will be carefully inspected before leaving the factory.
Thickness Test
Measure the actual thickness of the steel plate
Width Test
Width error not exceeding 1%
Zinc Coating Test
No cutting corners on zinc weight
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Steel coil slitting
Slitting into narrow strip of different sizes.
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Cutting length
Cut it into steel plates of the required size.
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Forming roofing sheet
Forming roofing sheet with the desired shape.
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