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  • The coating on the surface of the welding core is called the coating. The coating of electrode plays a very important role in the welding process. If the photoelectrode without drug skin is used for welding, in the welding process, oxygen and nitrogen in the air will invade a large number of molten metal, metal iron and beneficial elements such as carbon, silicon, manganese oxidation and nitriding to form various oxides and nitrides, and residual in the weld, resulting in slag inclusion or cracks in the weld. The gas in the weld pool may produce a large number of pores in the weld. These factors can greatly reduce the mechanical properties of the weld and make it brittle.

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  • chain link gates for sale

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    chain link gates for sale chain link gates for sale

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  • chain link gates for sale

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  • galvanized

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  • Used for inner wall welding wire diameter is generally 0.4-ф0.9, mesh is generally 9.5-1.9.

    chain link gates for sale

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  • chain link gates for sale

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    chain link gates for sale chain link gates for sale

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  • chain link gates for sale

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    chain link gates for sale chain link gates for sale

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