Hot Work Die Steels Online

srijeda, 21.10.2020.

Solid tube by check and cut into desired length

In general, small diameter mild steel pipe, known as small-diameter steel pipe, small diameter steel pipe can be divided into: seamless small-diameter steel pipe, straight seam (also called welding) small-diameter steel pipe.
According to different production methods can be divided into hot-rolled tubes, cold-rolled pipes, cold drawn tube, squeeze tubes, hot rolled seamless pipe is generally produced on automatic pipe mill. tube internal gradually formed a cavity known as the capillary, and then sent to the automatic rolling machine to continue rolling and finally by the machine are the entire wall thickness sizing, sizing machine, within specification, the use of continuous pipe mill producing hot-rolled small diameter steel pipe is a more advanced method of putting up a smaller size and better quality small diameter steel pipe, must adopt the method of cold-rolled cold-rolled cold drawn or both are usually on a two roll mill, small-diameter structural steel pipe in the variable section hole slot and does not move the cone-shaped head ring pass rolling, cold drawing is usually in a single chain or double chain drawing machine, extrusion is about to heat a good tube in closed extrusion perforated rods and extruded rod with movement within the cylinder, so that the extrusion extrusion from the die hole of smaller, this method can produce smaller diameter steel pipe.
Solid tube by check and cut into desired length, end to end surface of the perforation in the tube centering and then sent to the furnace heating in punch perforations in perforation while continuing to rotate and advance in the roll and immediate effect to remove surface defects.Generally less than the outer China hot working die steel diameter of the tubes 89 are collectively referred to as small-diameter carbon steel pipe.

ponedjeljak, 19.10.2020.

Large diameter seamless steel bimetal composite

For highly corrosive, high wear, high operating pressure fluid conduit environment, often using high-quality stainless steel or high alloy content of seamless steel pipes due to the large number of such alloying elements, the price of an ordinary seamless steel pipe several times or several times. Over the years, pipe users and manufacturers have been trying to find a composite of different metals, resulting in a harsh environment that meets, and cheap, high-performance composite pipe. With the development of industrial technology, the complexity of the environmental media, as well as international competition intensifies, many sectors of the metal pipe increasingly demanding comprehensive performance, and therefore double metal composite pipe production technology and its rapid development. Bimetal composite pipe combines all the advantages of multiple layers of grass and, relative to the overall alloy tube can effectively reduce costs, but also in the overall alloy tube with chloride stress corrosion cracking susceptibility and (or) the acidic environment of the composite tube can improve safety and reliability. Large diameter seamless steel bimetal composite materials can maximize complementary advantages, saving alloying elements, reduce project costs, while ensuring the basis of the performance of the primordia tube to improve the corrosion resistance of the pipe, wear resistance, extend the life of the pipeline, is an alternative product of pure stainless steel, brass or other corrosion-resistant alloy tube.
Large diameter seamless steel pipe bimetal composite materials composed of two different metals, close integration between the pipe layers and connections through a variety of techniques 718 steel Manufacturers to form the deformation, so that the two materials are combined into one made of a new type of metal composite pipes. The general design principle is the base to meet pipeline design allowable stress, multi-layer resist corrosion or wear. The late start of domestic technology level is relatively backward. At present, foreign bimetal composite pipe production technology has been maturing, Japan, USA, UK, Sweden, Germany and other countries in the lead. Typical of hot-rolled or hot-rolled cold-forming process can be applied to achieve metallurgical coating material and the substrate interface combined with excellent quality. Since the large-diameter seamless steel bimetal composite has excellent overall performance, so since the 1960s, Japan, the United States, Germany, Britain and the former Soviet Union and other countries attach great importance to the development and use of composite pipe, from the production process, the use of performance , the method for testing a large number of studies.
Composite pipe has gained wide recognition in corrosive petroleum, petrochemical companies, the nuclear industry as well as pharmaceutical, food processing and other fields, but also through the inner composite wear-resistant metal to meet pulverized coal power plants, mining ore and tailings slurry transportation high wear requires work environment. According to the literature, in Japan in the early 1980s, a succession of research and development of a variety of complex processes. Japan came from behind in technology development. Its products are widely used in petrochemical, chemical industry, oil and gas industries.The main process for many complex methods such as hot-rolled, hot extruded composites, casting a composite method, explosive welding composite method, combined bimetal composite pipe production methods, laser cladding method

četvrtak, 15.10.2020.

Common probe mechanical tracking mode

Common probe mechanical tracking mode:One is the use of roller limit and cylinder or spring push together the method, so that the detection of the probe and the workpiece surface to maintain a constant separation between.In general, the solution to the effect of the main approach are: the probe of the mechanical tracking method, the probe coil bridge connection, change the detection coil LC circuit capacitance and the use of multi-frequency detection technology.From the experimental results, the probe is relatively strong follow-up, the basic guarantee of the probe and the surface of the steel pipe between the detection of a constant, flaw detection also achieved good results. Although this method can inhibit the lifting effect can play a better role, at the same time will increase the vibration noise.

 The current conventional solution can only be the case, but the effect is to be resolved within the acceptable range. Therefore, it is necessary to consider the use of non-water spray device, such as increasing the diameter of the flow port, reducing the flow port and the height of steel, reducing water.Another way to use the probe to track the machine is to use the distance measuring probe to measure the probe in time to detect the gap from the gap, and use the range signal to control and drive the plastic die steel Manufacturers stepper motor and other power devices to drive the detection probe action to ensure that The gap between the probe and the workpiece is constant. In practical industrial applications, probe mechanical tracking is the most commonly used method to overcome the effect of extraction. Whether it is missed or false positives, affect the reliability of the test. Because the use of seamless steel pipe rotating probe forward way, the length of smls pipe is generally about 10m. Usually, the solution to the water coupling layer are: fixed tank tank, no water spray device. In the automatic detection, the extraction effect and the non-coupling layer are the main reasons for the leakage test and false positives.

This method is used for sheet or blank materials such as plane scanning test, the disadvantage is because the mechanical action of the reaction speed is relatively slow, but also more complex.For a long time, in the practical application of automatic flaw detection, it has been a "bottleneck" that troubles the normal use of this technique because of the problem of degradation of detection reliability due to the fluctuation of the lift or because of the change in the thickness of the water coupling layer.In the automatic flaw detection, the effect of extraction and non-coupling layer on the impact of detection is often the most difficult subject. In addition to mechanical tracking, several other solutions are achieved by improving the probe and instrumentation, but mechanical tracking can only improve the probe holder to prevent changes in the separation gap

utorak, 13.10.2020.

Speaking of eyes, it is one of the most sensitive parts of our body

Speaking of eyes, it is one of the most sensitive parts of our body. So, it can be said that degree of protection equipment and clothing can vary. In case the firm is handling chemicals that give away gases or vapors, safety specialists also recommend self-contained breathing apparatus and gas-tight suits. Industry workforce is an important resource for manufacturing units, and ignoring safety standards in case of protective clothing can lead to accidents and even negative publicity.. Protective clothing makes one of the most basic components for guaranteeing the safety of workers from hazardous chemicals. Even for chemicals services like powder blending, there is a great need for protective equipment.
High quality gloves are chemical resistant and protect hands from any kind of chemical exposure. Novice units should also follow suit. National Fire Protection Association has simplified selection of best chemical protective clothing for employers by introducing manufacturing standards for the same. Long sleeve coveralls meet the need in the best possible way. So, let’s highlight some of the chemical protective clothing and equipments that are highly important; Chemical-resistant gloves Workers normally handle chemical containers and sacks manually. Chemical-resistant boots Boots too need to be chemical proof to minimize the chances of any spill related calamity.
Chemicals serve an important purpose but not all of them are harmless. Laboratory chemicals ask for carefully handling and guidelines are usually stated for the same. In the same way, if the chemicals don’t pose any potential or actual threat to the worker’s health in any way, normal work uniform would do. Apart from following safety procedures laid down by government authorities, major chemical firms also suggest their clients in following suit in safety methodologies. Even at times of splash and China hot working die steel Suppliers cleaning, workers can come in contact with chemicals that may be hazardous. Therefore, chemical resistant boots are highly important. Quality of the glove material can be determined through permeation testing. Experienced chemical companies are leading the way in guaranteeing that their workers get the best working environment to render their services. Be it food grade materials or any other type of chemicals, usage of goggles while working is very much encouraged.
Requirements Vary from industry to industry Requirement of safety equipment and clothing however varies from industry to industry. Long sleeve coveralls and goggles Attire that covers body parts is recommended for almost all the units that deal in any type of chemicals. Boots with steel toe and shank are usually suggested if the chemicals being handled are hazardous in nature. For example, in case workers need to handle Bacitracin Zinc, then, protective clothing, goggles and gloves are usually suggested. By making sure that gloves have passed the testing, manufacturing units can make sure that their workers are not exposed to any kind of harm. Some have properties that ask for careful handling and preventive measures from workers.Today, usage of chemicals at different levels of product manufacturing is near about obligatory. Hence, there is every chance of spill in case chemical is in liquid form. During cleanup too, feet can get exposed to chemicals

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