Supplying Corrugated roofing sheet/colored sheet

Specifications

Hot dipped corrugated sheet
Zinc/Aluzinc coating : 50-150g
roofing sheet width:660-1100mm
thickness:0.15---0.8mm

Corrugated sheet, mainly used for construction, roofing, sandwich pancel, etc. 

we can do all kinds and types of roofing sheets according to the clients' requirements.

 

corrugated steel sheet 

Features:

1. Zinc/aluzinc coating : as required

2. thickness:0.22mm-0.8mm

3. width:660mm-1100mm(after corrugated)

4. wave height:17-18mm

5. number of corrugation:9-12

6. packing per bundle weight: 3~5MT (as required)

7. Uses hot dip galvalume metal strip as the base material 

8. Random coating colors according to customers’ requirements, common colors are sea blue, white grey and bright red.

 

Specifications :
1) Capacity: about 30,000 tons per month for coil product
2) Standard: JIS G3302, JIS G3312, ASTM A653M/A924M 1998
3) Grade: Q195-Q235 and SPCC, SPCD, SPCE, SGCC (DX51D+Z) SGCD (DX52D+Z), etc.
4) Thickness: 0.23mm-1.2mm
5) Zinc coating weight: 60g/m2-275g/m2
6) Width: 900mm-1200mm, or according to the customer's request
7) Coil ID: 508mm-610mm
8) Coil Weight: according to the customer's request
9) Color: RAL, or other series
10) Surface protection: PE, PVDF, SMP, HDP, etc.
11) Surface treatment: chromate, oil/unoil, bright finish, spangle, anti-finger print
12) Min trial order: 20 tons each size, 1x20' per delivery
Thickness	Width	Length	Zinc Coating Weight	Surface Protection
0.23mm-1.2mm	900mm-1250mm	up to you	60g/m2-275g/m2	PE, PVDF, SMP, HDP, etc
Applications  :
1. Contruction and building: roofing; ventilating duct; handrail; partition panel;etc.
2. Electric appliance: refrigerator; washing machine; refrigerator; DVD;etc.
3.Transportation: oil tank; road sign; etc.
4.Agriculture:barn; etc.
5.Others:vending machine; game machine; etc.
Process :
Pay off reel → double cut shear → welder-notcher → entry accumulator → pre cleaning section → furnace → hot bridle → zinc pot → air knife → after cooler → water quench → dryer → skin pass mill → dryer → tension leveler → dryer → chemical coater → chemical oven → cooler → exit accumulator → oiler → exit shear → tension reel.
Features :
1) Excellent corrosion resistance
2) High heat resistance
3) Aesthetics
4) Versatility
Coating Chief Feature :
Project	Pencil hardness	Reverse impact	T bending	Cupping test	MEK cleaning
Front/back	≥ H/2H	≥ 9J/6J	≤ 3T/5T	≥ 6mm/4mm	≥ 100time/50time
Structure of GI/PPGI
Item	Thickness	Type	Feature
Laminated film	50μm	Polyethylene	Protecting from scratchs and contamination(option)
Top coat	20μm	Polyester Fluorine	Chemical resistance and formability
Primer coat	5μm	Polyester	Workability, corrosion resistance and adhesion to the primer coating
Chemical treatment	1μm	Chromate	Good adhesion and corrosion resistance
Substrate	0.2mm-1.2mm	GI.GL,AL	GI.GL,AL
Back coat	5±2μm	Epoxy	Corrosion resistance and adhesion to the substrate