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  • Copper sulfate point test is a simple way to quickly distinguish ordinary carbon steel and all types of stainless steel wire rope. The concentration of copper sulfate solution used is 5%-10%. Before the point test, the experimental area should be thoroughly removed from the oil or other impurities, and a small area should be polished by grinding machine or soft grinding cloth, and then the test liquid drops to the grinding place. Ordinary carbon steel or iron in a few seconds will form a layer of outer metal copper, and the surface of stainless steel does not produce copper precipitation or display copper color.

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  • Post time: 13-04-23

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  • The first difference is in the amount of zinc.

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  • 1, we should pay attention to the welding mesh moisture-proof: if it is just the general outdoor air humidity, do not bother. If the weather is foggy, use dry cotton cloth to wipe the bead on the welding mesh; If it rains, you should dry the water when the rain stops. Try to maintain and prolong the life of the welding mesh.

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  • Now hexagonal net is used in a large number of Bridges, piers and bridge buttress inclined plane protection, bridge buttress inclined plane there are many kinds, people according to the inclination of the inclined plane to choose the right hexagonal net, when the inclined plane gentle, people generally use gabion slope protection system, and in the case of steep slope, people will use gabion mesh gravity protection wall.

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