I-beam has the dual properties of high hardness and toughness materials. Compared with other engineering wear-resistant materials in China, such as various alloy steel plates, cast wear-resistant plates, cast stones rubber, polyurethane, etc., it has irreplaceable comprehensive excellent properties.The general alloy pipe with improved performance is variable and has high application value. The alloy pipe contains more Cr and is heat resistant Low temperature resistance Corrosion resistance. There is no aluminum alloy in plain carbon seamless steel pipe, not very little aluminum alloy, and the alloy pipe is used in crude oil Aerospace Chemical plant Power engineering heating furnace. Because the physical properties of alloy tubes are easy to change and adjust.Chenandega,When the beam width is small, the reinforcement shall be bent.The system is mainly composed of control box, finishing roller, pre leveling unit, finishing unit and straightening unit.Turabah,However, what we need to do now is to improve the production technology level of China&#;s production process of C-section steel, and step up the formulation of relevant industry standards and inspection standards. C-section steel manufacturers should keep close contact with truck manufacturers and communicate more. In this way, it is more conducive for C-section steel manufacturers to produce C-section steel products suitable for truck industry.Application scope of alloy pipeThe specification of I-beam is expressed in cm of waist width. For example, expressed as No. ~ No., and the inclination of inner side wall of leg is : The pass system of rolled I-beam includes direct rolling pass system cross rolling pass system and mixed pass system. In addition, I-beam can also adopt special rolling method.

Function of I-beam: where is I-beam mainly used? Steel mesh guardrail (steel mesh fence) steel mesh guardrail refers to the guardrail made of steel mesh. It is stronger and more durable than the guardrail made of electric welding mesh, hook mesh, etc., but its cost is much higher, and it is rarely used under normal circumstances Frame line crackHonesty is the foundation,Because all parts of I-beam are arranged at right angles,ChenandegaHow much is 25 galvanized pipe per meter, I-beam has the advantages of strong bending resistance, simple construction, and has been widely used. The inner and outer sides of the flange of the I-beam are parallel or close to parallel and the end of the flange is at a right angle, so it is named parallel flange I-beam. The web thickness of I-beam is smaller than that of ordinary I-beam with the same height of web, and the flange width is larger than that of ordinary I-beam with the same height of web,ChenandegaGh3039 alloy pipe, so it is also named wide edge I-beam.The delivery length of I-beam is divided into fixed length and double length, and the allowable difference is specified in the corresponding standards. The length selection range of domestic I-beam is divided into -, - and - according to different specification numbers. The length selection range of imported I-beam is generally -.X-ray or ultrasonic testing shall be carried out for repair welding of alloy pipe, yibai%sx ray or ultrasonic testing shall be carried out. For the spiral welding of alloy pipes for the transportation of water, wastewater, gas, heating steam and other general liquids, X-ray or ultrasonic testing sampling inspection (%) shall be carried out.

The wear resistance, fracture toughness, impact toughness and bending strength under different process conditions were compared, and then the heat treatment process of GCrMo was determined. Development and application of ZYS- bearing damping and antirust oil. Bearing is a new type of multial damping and antirust oil. It takes refined mineral oil as the base oil and is equipped with various additives such as antirust and antifriction. Through comparison test, matching test with lubricating grease and user test, it is proved that ZYS- bearing damping and antirust oil has outstanding damping effect and good antirust lubrication performance.Development Curriculum,Ways to obtain surface compressive stress characteristics of alloy tubesMost of the original bridge decks lack a stable and solid base course with poor integrity. It is necessary to clear the original bridge deck, excavate part of the gravel cushion (if it is non gravel filler, replace it with gravel filler and tamp it), and then pave cement stabilized gravel base course on which reinforced concrete bridge deck is poured. The longitudinal reinforcement and transverse reinforcement of the reinforcement mesh of the bridge deck pavement form a network structure, so it has good bonding and anchorage with the concrete, and the load can be evenly dispersed, which obviously improves the performance of the reinforced concrete structure. According to the practice test, the welded reinforcement mesh laid on the road can reduce the occurrence of cracks than the manual binding mesh.Plan scheme : high carbon steel with carbon content exceeding .% and alloy pipe with chromium content not less than %Chenandega,I-beam: national standard * what is the wall thickness of I-beamWays to obtain surface compressive stress characteristics of alloy tubesI-beam can only be used for beam, while H-beam can be used for load-bearing column of structure.