common wire nails price

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.

Traditional wire mesh is crisscross woven into the wire, with the development of the economy, the rapid rise of all walks of life, the use of traditional wire mesh limitations gradually exposed, such as: aquaculture, to the chicken circle a cage can not be too dense, the wire can not be too thick, woven up the net wire once the mesh is too large net surface will become soft.

If the connection near the installation is not completely aligned, then the installation has been aligned, and then the rest of the attachment installation, it will be relatively simple, and then install the blade thorn rope, installation of blade thorn rope must be the blade thorn rope with a clip card below the guardrail. And this will not damage the purse Seine, after the installation of the accessories, the guardrail is also equal to the installation, and then check the fixing of the screws, to determine that there is no problem after.