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| granite straight edges
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| The main mineral components of granite include pyroxene, plagioclase, a little olivine, biotie and trace magnetite. It is precise in structure with black luster and through hundreds of millions years aging, it is of uniform texture, nice stableness, high intensity and rigidity, and can maintain a high precision under heavy weight. So granite is applicable to the works of industrial production and laboratory measurement |
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| Related Products |
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Materials and Processing: The material of our surface plate is high strength cast iron HT200-300,working surface degree of hardness is HB170-240, undergoes ... | |  cast iron straight edges
Shanghai Chenghua Machinery Co., Ltd.
Product: Cast Iron Straight Edge
Specification: 200mm-8000mm. We have standard size in stock. (special specifications can be made as your requirement).
... | |  cast iron floor plate
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Usage: It is applicable to various inspections and benchmark planes for accuracy measurement. It also can be used as the measurement benchmark for machine ... | |  cast iron straight edges
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Made according to standard JB/T7977-99, material HT250, working surface made by skiving or precise rubbing. Used to test the straightness and flatness ... |
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