Tianjin Kaida Import&Export Co.,Ltd is one of the leading manufacturers and suppliers of galvanized roofing material in China, featured by quality products and low price. Please rest assured to buy cheap galvanized roofing material from our factory. Contact us for discount information.
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Product name: |
Galvanized Roofing Material |
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Thickness: |
0.12~0.8mm, or customized |
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Width: |
665~1150mm, or customized |
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Length: |
1000~11800mm or customized |
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Grade: |
SGCC/DX51D+Z, DX52D+Z,DX53D+Z, etc. |
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Zinc Coating: |
30-275g/m2, or customized |
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Spangle: |
Regular spangle, Minimized spangle, Zero spangle, Big spangle |
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Treatment: |
Slightly Oiled, Dry |
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Hardness: |
Soft, Full Hard, Half Hard |
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Packing: |
Standard export package |
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Standard: |
EN, JIS, GB |
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Application: |
Building industry, Structural use, Roofing, Commercial use, Household appliance, Industry facilities, Office buildings... |
Regarding the hardness of galvanized roofing material
The hardness standard of galvanized roofing material is mainly based on the national standard GB/T 2518-2008, and the hardness value of galvanized roofing material should generally be between 65-85. The hardness test of galvanized roofing material usually adopts the Brinell hardness test method, and the material hardness of galvanized corrugated sheet is calculated by measuring the indentation diameter.
Hardness testing is of great significance for evaluating the quality and performance of galvanized roofing material. The hardness value can reflect the strength and wear resistance of galvanized roofing material. The higher the hardness, the better the material's ability to resist engraving and wear resistance. In addition, hardness testing can also help determine the manufacturing process and heat treatment status of galvanized roofing material, thereby guiding optimization in production and use processes.
Quality Inspection
Packaging & Container Loading
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