The development potential of Binzhou Zouping 27SiMn round rods will naturally have obvious differences in their physical and mechanical properties. Cold drawn round steels have better cold bending performance, which can be used as 180 degree hooks, while rebar can only be used as 90 degrees Round steel has good weldability, and ordinary carbon welding rods can be used, and low-alloy welding rods must be used for rebars; rebars are better than round steels in terms of toughness and fatigue resistance. Cold-drawn round steel is one of many cold-drawn steel products. It is formed by the cold-drawing process, that is, under normal temperature conditions, as long as the material is forcibly stretched with a tensile stress exceeding the original steel yield point strength, it can be It produces plastic deformation, which can not only form cold drawn round steel, but also achieve the purpose of improving the yield point strength of steel bars and saving steel. The customer is supreme. When Binzhou Zou Ping is actually making adjustments, many people will be very embarrassed, but cold-drawn steel machinery is sometimes simple, so practice a few times may make you perfect, but it is based on protecting your own personal safety. Only move up, and then proceed to the next step. Be careful with each step. Don't injure yourself or the machine because of your negligence. How much money is needed is first about the cold drawing equipment, the main concern is its carrying capacity; at the same time, it is necessary to ensure the stability and normal state of the equipment, and eliminate the unfavorable factors. Quality standards Hainan wants to learn how to maintain cold-drawn section steel. First of all, pay attention to the dryness of the environment in which it is placed. There is no leakage. In the case of heavy rain, it is necessary to reserve a lot of disaster prevention materials such as cement. At the same time, it is necessary to ensure ventilation and ensure that the humidity of the room is not so high. Gold parts of the quality department: such as guide rails, machine keys, nuts, screws, round nails, side nails, angle nails, and various standard parts of different specifications. Binzhou Zouping 27SiMn round bar potential is developed in order to prevent corrosion of hot rolled square steel. The dirt on the surface needs to be cleaned away; especially for steel, alloy steel, and thin-walled square-thin-walled pipes, anti-rust oil should be applied after removal; the other aspect is to strengthen the material; and to prevent hot rolling The square steel is stored in an environment. Inspection item cold drawn round steel, deep drawing standard? Equipment maintenance
Binzhou Zouping 27SiMn round bar has the potential to develop cold drawn steel. In its good process, heat treatment is an indispensable step. So how is heat treatment performed? Let me give you a brief introduction below. Normalizing insulation temperature is greater than 940 ° C (specific grades are 12Cr1MoV 102 steel, T2 T2 T9 P2 P9. When it comes to the advantages of cold drawn square steel, we must first notice that Binzhou Zouping 16Mn round rod, for its part, it will directly Save processing time and processing costs. Because of its higher accuracy and good surface condition, our cold drawn square steel can actually be used directly. The more common are spray coating, sanding, bending, drilling, etc. Cold drawing of steel bars Concept: In order to save steel and increase the yield strength of steel bars, the method of stretching the steel bar with tensile stress exceeding the yield strength but less than the ultimate strength to cause plastic deformation is called steel bar cold drawing. The product is widely used in: mechanical equipment: woodworking Machinery, ceramic machinery, papermaking machinery, glass machinery, food machinery, construction machinery, plastic machinery, textile machinery, jacks, hydraulic presses, etc .; electrical product parts: motor shafts, fan shafts, sewing machine shafts, etc .; furniture: especially export metal furniture, Such as coffee tables, chairs, outdoor furniture; metal: garden tools, grill grills, screws ..., anti-theft locks, etc .; : Such as guide rails, machine keys, nuts, screws, round nails, angle nails, angle nails and various standard parts of different specifications, etc .; automotive, motorcycle spare parts, etc. Cold drawn round steel ΦΦΦΦΦΦΦ ΦΦΦ ΦΦΦ ΦΦΦ ΦΦ1 Φ1Φ1Φ1Φ1 Φ1Φ1Φ1 Φ1Φ1Φ20, Φ20. Φ20. Φ2 Φ2 Φ2Φ2Φ2Φ2 Φ2Φ2 Φ2 Φ2Φ2Φ2Φ2 Φ2 Φ2 Φ2Φ2 Φ30, Φ30. Φ3 Φ3 Φ3 Φ3 Φ3 Φ3 Φ3 Φ3 Φ3 Φ40, Φ40. Φ4 Φ4 Φ4 Φ4 Φ4 Φ4 Φ4 Φ4Φ4 Φ50, Φ50 . Φ50. Φ5 Φ5 Φ5Φ5 Φ5 Φ60, Φ6Φ653x 4x5x 7x5x5x 7x 9x6x35x 3 7x3x 5x 6x 8x 9x8x3x 5x 6x9x5x10x5x 6x11x25x 2 12x2x 3x 7x13x8x14x 15x85x 8 16x 17x1 18x1 19x1 1 6x120x20,21x2 22x2 23x2 2 5x224x2 25x2 2 4x227x2 28x2 30x30,3 5x33 7x332x3 3 75x3 7 35x3 38x3 39x3 40x40,40.7x40. 42x4 45x4 50x50,52x5 HHHH HH 3 H HHH H HHH HH HHH HHH H HH HHHH H1 H1H1 H1H1 H20, H20.6 H2 H2 H2 H2H2 H2 H2H2 H2 H2 H2 H30, H3 H3H3 H3 H3 H3 H3 H40, H4 H4 H4H4 H4H4 H4 H4 H50, H5 H5 H5 H60 Cold rolled flat steel to 9x 6x2 to 9x 7x2 9x8x 8 to 9x9x 8 to 9x10x2 to 9x 11x3 to 9x 12x3 to 9x 13x3 to 9x 14x3 to 9x 15x3 to 9x 16x3 to 9x 17x3 to 1 9x 18x3 to 1 9x 19x3 to 1 9x 20x3 to 20.9x 21x3 to 2 9x 22x3 to 2 9x 23x3 to 2 9x 24x3 to 2 9x 25x3 to 2 9x 26x3 to 2 9x 27x3 to 2 9x 28x3 to 2 9x 29x3 to 2 9x 30x3 to 30x416x 16x 16x 18x 18x 18x 18x 18x 20x 20x 20x 20x 20x 20x 20x 20x 20x 22x 22x 25x 25x 25x 25x 25x 25x 25x 25x 25x 25x 25x 25x1, 2 4x2 4x 3 30x 30x30x30x 30x 30x 30x 30x 30x 30x 30x 30x 30x 30x1 30x20, 32x 32x 32x 32x 32x 32x 32x 32x 32x 32x1 32x20, 32x2 35x 35x 35x 35x 35x 35x 40x 20x 35x 20x 35x 20x 40x 40x 40x 40x 40x 40x 40x 40x20, 40x20, 40x2 40x2 40x2 40x30 cold-drawn steel products have the following advantages: a variety of shapes and specifications design molds with different shapes, cold-drawn cold-drawn steel with different cross-sectional shapes and different specifications tolerances. The angle can be designed as right or rounded. Binzhou Zouping Then, Binzhou Zouping 20crmnti round steel, for the aging treatment of cold drawn flat steel, in fact, after solution heat treatment or cold plastic deformation, when it is placed at room temperature or kept slightly higher than room temperature, its performance will follow Change over time. Comprehensive Quality Assurance As the annealing process, the coils are stacked and covered by box annealing, which is called batch annealing. What is the difference between cold rolled flat steel and cold drawn flat steel? Cold rolling is rolling, pressure deformation, and cold drawing is tensile deformation. Why does Dehong cold-drawn flat steel need surface treatment? The purpose is to reduce the resistance and wear of the mold during cold drawing, because steel should be pickled and phosphate treated before cold drawing. There is a lot of difference between cold drawn square steel and steel bars in the potential development of Binzhou Zouping 27SiMn round bar, but in this respect, this does not mean that it will be better to use it in this case, we should know that the main reason is cold drawn Steel and rebar are different where they are used. When we use it, it is better to choose according to the actual situation. The material composition of cold drawn section steel seamless steel pipe is mainly steel. The source of steel is iron ore, that is, iron (Fe) exists in nature, and pure iron does not exist in nature. Iron ore is mainly divided into types: magnetite, hematite, and limonite. They are all oxides of iron, the difference is their oxidation. The higher the iron content in the iron ore, the better. In theory, the high iron content in the iron ore is about 72%, and the iron ore with an iron content exceeding 60% is called an iron-rich ore. Iron ore is first reduced to iron (ground iron) in a furnace, and then sent to a steelmaking furnace for decarbonization and refining to steel. Scrap steel can also be smelted and regenerated in a steelmaking furnace. Ordinary steels are made into non-defective and shaped products, so-called steels. Generally speaking, steel products are reduced iron ore, melted into ground iron (smelting and milling), grinding iron and refining it into steel (smelting), rolling and processing steel into various Iron and steel products, including cast iron, cast steel, forged steel products and broadly processed steel products. Service is first. With the continuous development of technology, all kinds of steel are constantly appearing around us. In fact, these things are often common around us. As long as we are good at observation, we can find them. Cold-drawn section steel is also developing in the direction of continuous improvement. In the future, the specifications will be more complete and the savings on materials will be more prominent. Discount
The potential development of Binzhou Zouping 27SiMn round rods. In addition, the expression of cold drawn flat steel also involves short and narrow rulers. The so-called short rule means that the length is less than the lower limit of the indefinite length specified in this standard. Binzhou Zouping Q345B round steel, but not less than the allowable short rule length. For example, the "Water and Gas Pipeline Standard" stipulates that each batch of 2-4 meters long short pipes is allowed to have 10%, the lower limit of the indefinite length is 4 meters, and the allowed short pipe length is 2 meters. The surface of the cold-drawn steel should be spot-checked without cracks and other problems. In pursuit of quality, in the cold-drawn section steel, after the strip flattening machine is stretched and leveled, pay attention to the appearance of the strip at any time. If there is a problem, stop it in time and then perform repair welding. The material of the strip is a problem that easily occurs in the strip. The various materials of the strip have clear regulations on the content of each element. The marks of cold drawn section steel should be clear and not difficult to fall off. The seal shall include the steel grade, product specifications, production number, and supplier seal or trademark. Alloy steel straight seam steel pipes should be printed with the furnace number and batch number after the steel grade. Pipe joints for geosynthetic and petroleum straight seam steel pipes shall be marked with a grade or steel grade. The left thread of the threaded straight seam steel pipe should be printed with the word "left" after the number. In addition, the specifications of cold-drawn flat steel products are very special. It has a thickness of 8-50 mm, a width of 150-625 mm, and a length of 5-15m. And its product specifications are closely spaced, so it can meet the needs of customers. It can effectively replace the intermediate plate without cutting, and can be directly welded. Cold-drawn steel is a kind of steel that can work in very harsh working conditions. For example, steel for high-pressure boilers has strict requirements on the properties of the other steel. Cold-drawn steel requires high enough high-temperature strength and high-temperature plasticity. Row. After the above two conditions are met, the cold drawn steel must have sufficient durability and plasticity to ensure that under high working conditions, the tempering treatment in the corresponding heat treatment of cold drawn square steel can be safely performed. At this time, the quenched workpiece will be heated to an appropriate temperature below the critical point AC1 for a fixed period of time, and after that, it should be noted that it must be cooled with a requirement. In this respect, in a large To the extent it is the heat treatment process that can achieve the required properties. When the good faith operation is delivered by multiple lengths, the length of the cold drawn flat steel delivered must be an integer multiple of the length specified by the purchaser in the order contract. Only positive deviations are allowed for delivery at multiple scales, and negative deviations are not allowed. Regarding the dimensions of cold-drawn flat steel, there are also differences between short and narrow gauges. In this regard, for cold drawn square steel, especially when the amount of material used is relatively large, the material cost savings will actually be more significant. In addition, as far as cold drawn square steel is concerned, that is to say, it will have high precision, as far as the use of high-quality hard alloy molds, as far as mold maintenance personnel are concerned, we are actually working to ensure that their tolerances are accurate. There is a cold-drawn steel process in the cold-drawn steel industry. The shapes of cold-drawn steels are also different, but no matter how strange the shape, they all play an important role in various fields. Wuxi Yongkai cold-drawn section steel is still very prominent in Wuxi cold-drawn section steel because Yongkai cold-drawn section steel factory focuses on the goodness of cold-drawn section steel.