Casting have excellent mechanical and physical properties, it can have different kinds of strength and hardness, toughness with the comprehensive performance, still can hold concurrently one or more special properties, such as wear-resisting, high temperature resistant and low temperature, corrosion resistance, etc. Casting the weight and size range is very wide, weight the lightest of only a few grams, the heaviest can reach 400 tons, wall thickness of the thinnest only 0.5 mm, the thickest could exceed 1 meter, length can be made of a few millimeters to ten meters, can satisfy different departments of industry use requirement.
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