The outer diameter measurement of brass rods can be measured in two ways, one is to directly measure the outer diameter, and the other is to measure the ovality and outer diameter. The photoelectric d...
The first use of brass to make money in our country began in the Jiajing period of the Ming Dynasty. The term “brass” was first seen in the “Shen Yi Jing·Zhonghuang Jing” writt...
Brass is an alloy composed of copper and zinc. Brass composed of copper and zinc is called ordinary brass. Brass is often used to make valves, water pipes, connecting pipes for internal and external a...
A piece of news recently attracted the attention of many investors: “The world’s largest copper exporter, Chile, may have no copper to dig.” The article said, “An official repo...
Q390C steel plate cutting method Preheating cutting: The most effective way to prevent steel plate from cutting cracks is to preheat before cutting. Before flame cutting, the steel plate is usually pr...
Q390B steel plate welding: The minimum ambient temperature allowed during welding is as follows: 1) Carbon steel and ordinary low alloy steel (Class A-Ⅰ): -10℃ 2) Carbon steel and ordinary low-alloy s...
Q550D steel plate four precautions, how many do you know? The following is a brief introduction to the precautions for the application of the relevant characteristics of the Q550D steel plate. Custome...
How does q345qd steel plate resist wear? 1. The wear-resistant layer resists the wear of the wear medium, and the substrate receives the load of the medium, so it has good impact resistance and can ac...
Q345qd steel plate is a type with relatively high corrosion resistance and rust resistance, and it is at a relatively high level among various steel plates. Because the production is more exquisite, t...
During this course in Copper Foil technique, more and more high – end furniture brand add this element to their creative mix. Especially in this new year’s joy atmosphere, people with taste...
At present, the annual output value of my country’s construction metal enclosure system is close to 100 billion yuan, of which the amount of color steel plate accounts for more than 70%, and the...
A Skill requirements for aluminum plate base The basic skill requirement for the aluminum plate base of the PS plate is that the surface is smooth and flat, without scratches, pits, marks, non-metalli...
Advantages of swing doors Good airtightness: When the swing door first appeared, it was the original shape of the door. At that time, it was required to effectively prevent wind, sand, dust, or other ...
The main reason for surface damage of aluminum profile Sundries adhere to the surface of the ingot or segregation of ingot components. When there are a large number of segregation floats on the surfac...
By consulting related books and consulting related technical experts in the aluminum processing industry, the factors affecting the flatness problem were summarized, and based on this, a solution to t...
Process control Since the most important feature of 6082 aluminum alloy is that it contains refractory metal Mn. The presence of an appropriate amount of Mn can easily cause intragranular segregation ...
Aluminium extrusion die scrap standard is based on the company’s articles of association, and under the service management mode, this standard is formulated to standardize the mold management of...
In order to speed up the alkali etching speed of aluminum profiles, sodium nitrate or sodium nitrite can be added to the alkali etching solution based on sodium hydroxide, and then sodium gluconate an...
Knowledge 1: Introduction to common problems of tail shrinkage in the extrusion process of the extruder: In the extrusion production of aluminum profiles, the semi-finished products after cutting and ...
In the extrusion production of aluminum profiles, common defects are relatively intuitive, such as bending, twisting, deformation, and slag inclusion. The defect of “adsorbed particles” is...
In the extrusion process of aluminum profile, along the extrusion direction, a longitudinal continuous line is produced on the surface of the extruded aluminum profile product, which is called die mar...
Electrolytic aluminum is a method of smelting metallic aluminum. Usually, aluminum oxide is decomposed into metallic aluminum through high current in an electrolytic cell. Aluminum ingots are divided ...
1. Aluminum profile framing requirements: Ordinary curtain wall profiles, ordinary doors and windows profiles, industrial profiles, must be installed in the same frame. Heat-insulating curtain wall pr...
(1) The board surface is uneven, not vertical, the joints are wide and narrow, and the height is inconsistent 1. Reasons: the horizontal and vertical of the framework are out of tolerance, the elevati...
Series 1: Features: aluminum content above 99.00%, good electrical conductivity, good corrosion resistance, good welding performance, low strength, not heat-treatable. Application range: high-purity a...
First, when the oxide film layer is powdery or dusty, we should try to wipe it off first. It is necessary to sweep away the plugging ash and electric shock caused by the closing process. Secondly, we ...
The eight major elements that affect the performance of aluminum alloys are: vanadium, calcium, lead, tin, bismuth, antimony, beryllium, sodium and other metal elements. These impurity elements are th...
Aluminum alloy has excellent characteristics such as low density, good corrosion resistance, high electrical and thermal conductivity, and the use of aluminum alloy instead of steel can greatly reduce...
1. In the process of aluminum alloy profile extrusion die trial and aluminum extrusion, the following aspects should be paid attention to: A. Determine the temperature of the mold temperature rod befo...
In the process of surface treatment of 6063 aluminum alloy profile, sometimes it is found that there are different degrees of irregularly arranged dark gray corrosion points on the surface of aluminum...
The main alloying elements of 6063 aluminum alloy are magnesium and silicon, which have excellent processing properties, excellent weldability, extrudability and electroplating properties, good corros...
Aluminum alloy scratches, scratches, and bruises are surface damage caused when aluminum profiles flow out of the die hole and come into contact with tools, equipment, etc. in the subsequent process. ...
The chemical composition and processing properties of 6060 and 6063 aluminum alloys are similar, but not exactly the same. The difference between the two is the strength. 6060 is a national standard a...
Aluminum sheet processing is often encountered in processing. One of the problems is whether aluminum sheet can be cut by laser? The answer is yes. A few years ago, the laser cutting machine was able ...
The aluminum profile has high plasticity and low resistance at high temperature, and the atomic diffusion process is intensified, accompanied by complete recrystallization, which is conducive to the i...
the market share, segmentation, revenue forecasts and geographic regions of the market. The ISO Shipping Container Consumption market report is an extensive analysis of this business sphere,that has b...