Channel Grating, Cast Iron Grating
Specifications
Grating feature:1---Load-bearing great;
2---Corrosion resistent;
3--Superior safety performance.
4--ISO9001:2000

paint: |
Bituminous paint |
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packing: |
wooden pallet (normal) |
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material: (ductile iron )GGG500-7 | ||
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Tensile strength: 500Mpa |
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Yield strees: 320Mpa |
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Elongation rate: 7% |
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Hardness: HBS170~230 |
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Standard |
EN124, BS EN124, UNI EN124 |
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1----Load-bearing great: the toughness of ductile iron is fourfold that of ordinary cast iron, close to steel materials, suitable for all kinds of road use!
2----Corrosion resistent: Sewer internal environment complex, filled with various chemical substances, ductile iron does not suffer chemical corrosion, service life more than 30 years.
3---- Opens conveniently: light weight, single unarmed can be open, convenient downhole maintenance!
4----Superior safety performance: It often occurred underground explosion accident, fly up covers scarred passers-by , manhole covers integration connections will not depart from the ground.
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