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What are the properties of ductile iron manhole covers?Ductile iron manhole covers are used in almost all major industrial sectors that require high strength, ductility, toughness, wear resistance, resistance to severe thermal and mechanical shocks, high or low temperature resistance, corrosion resi
How to prevent the manhole cover from bursting!Ductile manhole covers have the advantages of high pressure resistance, plastic deformation, shock resistance, wear resistance, heat resistance and mechanical impact resistance, heat resistance or low temperature resistance, corrosion resistance and spe
What are the advantages of carbon steel pipe fittings? Carbon steel pipe fittings are a new type of seamless steel pipe connection pipe, also called clamp connection, which has many advantages. The design standard of automatic sprinkler and automatic fire extinguishing system clearly states that the
When arc welding is used to weld butt joints, it is usually determined whether to reserve a gap, the size of the gap, and the form of the groove according to the thickness of the welded plate. When other conditions are constant, the larger the size of the groove or gap, the smaller the reinforcement
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