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.
1General welded pipe: General welded pipe is used to transport low-pressure fluid. It is made of qa， zigzag，Products Show flattening and other tests shall be carried out for steel pipes，New Orleans15 how much is the price of galvanized pipe per meterThe need for maintenance and there are certain requirements for surface quality. Generally， the delivery length is -m， and fixed length (or double length) delivery is often required. The standard of welded pipe is expressed in nominal diameter (mm or inch). The nominal diameter is different from the actual. Welded pipe can be divided into general steel pipe and thickened steel pipe according to the specified wall thickness and steel pipe can be divided into threaded and non threaded according to the way of pipe end.
qArlingtonI-beam， also known as universal beam， is a long strip of steel with I-shaped section. I-beam is divided into ordinary I-beam and light I-beam. It is a section steel with I-type section shape.
The product can withstand any range of operating temperature.
HTaianThe second is the control of welding materials to ensure that the welding materials purchased are from formal channels， with quality assurance certificate and certificate， which meet the process requirements; The recovery of welding rod head shall be strictly controlled to ensure the flow direction and dosage; Welding materials shall be baked in strict accordance with the process， and the amount of one-time distribution shall not exceed half a day.
Td 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，Products Show 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.
Why are galvanized pipes so good?
The tensile strength of seamless pipe is more than ~ times that of ordinary steel， the elastic coefficient is better than that of steel， and has good creep resistance， corrosion resistance and seismic resistance.
uThe high-temperature passivation treatment of alloy pipe is to obtain the passivation treatment film by heating in the heat treatment equipment. Before passivation treatment， the surface layer of parts must be removed to remove waste. At a higher temperature， and the main parameters of ambient temperature and time of heat treatment process can be selected.
J The finished products shall be placed away from the processing site and stacked in the designated finished product warehouse. Ventilation and other facilities shall be provided in the storage environment.
Pmanufacturer As long as the pipe material is high-strength alloy steel， including alloy steel pipes with temperature resistance， pressure resistance，Products Show wear resistance and low temperature resistance， the welding process shall be focused on preventing the tendency of martensite structure and cracks due to welding high-temperature operation. The general process requirements are that the welding rod shall be selected and baked as required and sent to the welder for use. The oil and water shall be removed before welding on both sides of the weld Rust and sundries shall be removed and cleaned. The welding line energy shall be as small as possible to minimize the swing during the welding process. The arrangement of the last weld shall have annealing effect on the heat affected zone as far as possible. Slow cooling after welding，New Orleans15 how much is the price of galvanized pipe per meterThe need for maintenance cover with asbestos cloth， etc.
hVThe production methods of seamless pipe are roughly divided into cross rolling method and extrusion method. The cross rolling method is to drill the tube with a cross roll， and then extend it to the rolling mill. This method has fast production speed， but has high requirements for the workability of the blank. It is mainly suitable for the production of carbon steel and low alloy steel pipes. The extrusion law is to pierce the blank or ingot with a punch and then squeeze it with a steel pipe with an extruder. The efficiency of this method is lower than that of cross rolling method. It is suitable for producing high-strength alloy steel pipe. The billet or ingot must be heated before cross rolling method and extrusion method. The produced steel pipe is called thermal correlation. Steel pipes produced by hot working can sometimes be cold worked as needed. There are two methods of cold working. One is cold drawing. In other words， pull the pipe to the pipe and tilt it to make the steel pipe gradually thinner and longer. Another method is cold rolling. The method of applying the hot smoke invented by brother to cold processing. The cold working of seamless pipe can improve the dimensional accuracy and finishing of steel pipe， and improve the mechanical properties of materials.
Seamless tube has high elasticity， can be reused on mechanical equipment， no memory，Reinforcement, galvanized pipe, seamless pipe, welded pipe, alloy pipe, I-beam-Shandong Kaiwen metal material Co., Ltd anti-static.
Word of mouth recommendationqWhat is galvanized pipe
PAlloy pipe is a very important way and type of seamless steel pipe. Its use is relatively common. It is widely used in various engineering projects， house construction and building decoration. Its fracture will always be found in the production， manufacturing and key marketing of alloy pipe， That is， many stages of production and processing are not done well. Another is that the seasoning is not enough and the proportion of chemical molecules is wrong. There are all reasons.
Galvanized pipes are used in construction， machinery manufacturing， steel construction and other projects， shipbuilding， solar power generation support， power engineering， power plant， agricultural and chemical machinery， glass curtain wall， automobile chassis， airport， boiler construction， highway railing， house construction， pressure vessel， oil storage tank， bridge， power plant equipment， Hoisting and transportation machinery and other welded structural parts with high load.
fArlington Ditch cover plate (ditch cover plate) is widely used in municipal roads， garden facilities， residential quarters， schools， stadium pipes and other places.
dVThe reinforced concrete surface reinforcement method has the advantages of simple construction technology and strong adaptability， which can greatly improve the bearing capacity flexural stiffness and ductility of the brick wall. At the same time， its natural frequency can be changed to improve its performance in normal use. It is mainly applicable to the solid wall， porous hollow brick wall and mm thick empty bucket brick wall with no cracks and shear in the original wall.
The use of welded steel mesh can make the project construction convenient. As long as the welded reinforcement mesh is laid as required the concrete can be irrigated， eliminating the links such as on-site cutting， placing and binding of reinforcement one by one.