Carbon steel protective casing his hardness is greater than or equal to 84, and his wear resistance is 10 times higher than the high wear-resistant alloy parts. Lined pipe socket connection, adhesive aging also does not fall off, control the height difference at the same time reduces the risk of leakage, carbon steel protective casing with the vast majority of other metals similar to carbon steel protective casing tensile strength, yield strength and hardness, with the lowering of the temperature and improve the plasticity of carbon steel protective casing with the lowering of the temperature and reduce. Its tensile strength at a temperature of 15-80 ℃ range faster, the temperature is further reduced when the change is slow, and yield strength growth is more uniform.

With the carbon steel protective casing temperature decreases, its impact toughness decreases slowly, and there is no brittle transition temperature. So carbon steel protective casing at low temperatures can maintain sufficient plasticity and toughness, such as in the temperature of 196 ℃, the impact absorption work up to 392J, even in liquid helium temperature (2700C) with the ability to prevent the stress concentration occurs at the site of brittle rupture. Carbon steel protective casing should be used wall thickness of not less than 2.5mm hot-dip galvanized steel pipe, the number of casing by the design to determine the 2. Confinement ribs A, B, C, D, E-type for the 3-10mm-thick hot-dip galvanized steel, hot-dip galvanized steel pipe welded on both sides, at the same time, should be welded to the structural steel reinforcement.

Carbon steel protective casing is also known as the human defense through the wall closed rib, electrical casing, electrical pre-buried casing, through the wall pipe closed rib, etc., the product is made of a piece of steel plate and a number of galvanized pipe combination, carbon steel protective casing for a number of different calibers or the same caliber at the same time inserted into the wall pre-buried when used, through the wall pipe closed rib is a customized product, above the number of galvanized pipe customized according to the customer’s demand for two, three, four up to dozens of The number of galvanized pipes on the top is customized according to the customer’s demand, which can be 2, 3, 4 or dozens of pipes.

First of all is the choice of raw materials, we are talking about raw materials, refers not to the carbon steel raw material alumina, but the raw material of carbon steel glaze, not good to choose easy to smoke the material, in case of the atmosphere to be reduced. But also the process of temperature control, the way is the glaze burning temperature, to ensure that it will not be higher than the temperature of the metal carbon steel, so that the glaze can be blackened to solve the phenomenon. The aluminum oxide carbon steel on the solution, as well as the roughness of the solution have a measure.