Metallization: refers to the process of penetrating metal atoms into the surface layer of alloy steel pipe. It is to alloy the surface layer of steel so that the workpiece surface has the characteristics of some alloy steel. Aluminizing, chromizing, boronizing, siliconizing and so on are commonly used in production. Peak crackXila Village, Stair step plate (stair step plate) is a kind of stair used for platform with steel bar mesh. According to the installation method, it generally has two types: welding fixation and bolt (composition: head and screw). It is directly welded to the keel and does not need the side plate with step plate. It is relatively economical and durable, but it is not easy to disassemble Thickened side plates are required on both sides of the bolted tread plate, and holes are drilled on the side plates.Difference and application description between H-beam and I-beamHawera,All the cracks occur at -mm away from the edge below the alloy pipe, and the macroeconomic orientation is vertical to the cold rolling orientation, showing a 'high mountain' shape.Application scope of alloy pipeGreatly reduce the environmental pollution caused by abrasion,Xila VillageHow much is a steel hoop bending machine, damage and blanking, cast wear-resistant plates, cast stones, rubber, polyurethane, etc., it has irreplaceable comprehensive excellent properties. Chromium can improve the hardenability and wear resistance of steel, and improve the corrosion resistance and oxidation resistance of steelIts heat sealing effect is remarkable. It can be directly buried immediately, which can not only save resources, but also reduce consumption, not occupy the natural environment, but also purify the environment. The transportation of gas can meet the requirements of long-distance transportation, prevent actual operation and maintenance, meet the requirements of thermal insulation and cold protection, reduce heating equipment unique and convenient installation, and reduce the construction cycle time of the project. On the whole,Xila VillagePrice of 15CrMoG alloy pipe, it is more convenient to use. It can also be used for the transportation of floor heating and hot springs.quality index,After the passivation treatment of alloy pipe, it is clearly proposed that water cleaning shall be carried out immediately after the aqueous solution, ~ times of water cleaning, and then chromic acid closed solution shall be carried out. Chromic acid solution must be carried out h after the subsequent water cleaning of metallographic structure and austenitic alloy pipe. Chromic acid aqueous solution (mass ratio) is % ~ %, the solution temperature is ~ ℃, and the solution time is min. Then dry.What is nitriding of alloy pipe→ wide flange and large lateral stiffness. Strong bending resistance.

Because the section size of ordinary I-beam and light I-beam is relatively large and narrow,Xila Village15CrMo thick wall alloy pipe, the moment of inertia of the two main shafts on the section is quite different, which limits its application range. I-beam shall be selected according to the requirements of design drawings. In the structural design, chemical properties, weldability and structural size of I-beam.Service firstDry processing technology: after passivation treatment, parts shall be dried with air compression or hot gas, or drying treatment or air drying can be selected. . the straight length of the hook of the surface mesh reinforcement at the grid support shall not be less than mm, and the bending diameter shall not be less than D (D is the reinforcement diameter).Mixed Scabs are distributed periodically, and the situation after casting and rolling is significant through edge flame peeling crack inspection or billet scratch flame removal.Xila Village,→ under the same section load, the weight of hot-rolled H steel structure is reduced by % - % compared with the traditional structure.The utility model has the advantages that the axial force of the roll is small, the axial movement is small, the working inclined plane is not required, the pass occupies a small length of the roll body, and more passes can be matched under the condition of a certain length of the roll body.I-beam is an economic section high-efficiency profile with more optimized section area distribution and more reasonable strength weight ratio. It is named because its section is the same as the English letter 'H'.