Gnee Steel (Tianjin) Co., Ltd. is one of the most reliable manufacturers and suppliers of metal corrugated steel roofing in China. Welcome to wholesale customized metal corrugated steel roofing at low price from our factory. If you have any enquiry about free sample and cheap products, please feel free to email us.
Minimum fall for corrugated steel?
For traditional corrugated steel roofing, a minimum fall of 5 degrees or approximately a 1 in 12 pitch is often suggested. This means that for every horizontal 30.48 centimetres (12 inches) of roof, there should be a vertical rise of at least 2.54 centimetres (1 inch). This pitch allows for adequate water drainage and helps prevent water pooling or leaks on the roof.
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Commodity |
Corrugated roofing sheets |
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Type of coating: |
Hot dipped galvanized/Prepainted |
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Zinc coating: |
Z40-275g/m2 |
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Standard |
JIS G3302,ASTM A653,EN10327/DIN 17162 |
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Grade |
SGCC/CS-B/DX51D or equivalent. |
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Types |
Commercial / Drawing / Deep Drawing / Structural Quality |
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Surface treament |
Chromated / skinpass/ oiled/slightly oiled/ dry |
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Surface finished |
Minimized spangle / regular spangle/ big spangle |
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Width |
688/750/820/850/900/915 |
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Thickness |
0.12-2.5mm (0.14-0.5mm is the most advantage thickness) |
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Color |
RAL or customization |
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Bundle Weight |
2-3Ton Per Pallets |
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Package |
Water proof paper is inner packing,galvanized steel or coated steel sheet is outer packing , side guard plate,then wrapped by |
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Application |
Industrial panels, roofing and siding for painting |
FAQ:
Q.Who are we?
A: Our headquarters is located in Henan, China. Starting from 2021, we will sell to the Middle East (40.00%), Western Europe (10.00%), East Asia (10.00%), South Asia (10.00%), South America (10.00%), East Asia and Europe (10.00 %), Africa (5.00%), Southern Europe (5.00%). There are approximately 99-199 people in our office in total.
Q.What services can we provide?
A: Accepted delivery terms: FOB, CFR, CIF, EXW;
Accepted payment currencies: USD, Euro, RMB;
Accepted payment methods: T/T, L/C;
Q: How do you ensure product quality meets customer needs?
A: Our boss has more than 10 years of domestic trade experience in different types of steel industries. Our foreign trade managers are very familiar with the requirements of different types of steel under different international standards. The steel mills we cooperate with are very famous, stable and reliable. Have a complete quality management system. And there is no problem with SGS inspection. If the customer finds quality problems after receiving the goods, we will pay the customer without hesitation.
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