1 Introduction Heat exchangers are important equipment in the petrochemical industry, accounting for approximately 20% of the plant investment costs and 40% of the total weight of process equipment. D...
M202 steel has been heat treated and has a uniform hardness of 278-311HB, 29-33HRC. It will never change shape when made into a mold. It has excellent cutting performance and polishing performance. It...
With the reform of the heat metering and charging system, temperature control valves began to be installed on each radiator. Therefore, during heating operation, as the user continuously adjust...
Abstract: Using engineering examples, this paper summarizes the application of silo slip form construction technology and the experience in solving post-demould maintenance and other issues. Shuangliu...
Cast aluminum alloy that can withstand the action of high-pressure gas or liquid without leakage. Used to manufacture high-pressure valves, pump housings and other parts and components working in high...
Steel ingot: heating temperature 1180~1200°C, start temperature 1130~1150°C, end temperature ≥850°C, pit cooling. stainless steel machining billet: heating temperature 1120~1160°C, starting temperatur...
The various surface treatments of stainless steel broaden its application fields-different surface treatments make the surface of stainless steel different, making it unique in its application. In con...
Molten iron pretreatment has become a modern steelmaking production process: molten iron pretreatment – double blowing converter – refining outside the furnace – full continuous cast...
XW5 steel is a high-carbon, high-chromium alloy steel containing tungsten, suitable for molds that require excellent wear resistance, such as: punching and shearing molds for thin and hard materials, ...
Late magmatic differentiated iron deposits Produced in basic and ultrabasic igneous rocks such as gabbro and peridotite The ore has disseminated, striped, and massive structures, iron-inlaid crystal s...
Alloy pipe specifications and materials Alloy tube size tolerance: Steel pipe type outer diameter (D) wall thickness (S) Cold drawn pipe Steel pipe outer diameter (mm) Allowable deviation (mm) Steel p...
The loading systems of oxygen top-blown converters include: quantitative loading system, staged quantitative loading system and fixed-depth loading system. Among them, the fixed-depth charging system ...
Abstract: This paper studies the fault diagnosis method of hydraulic pump bearings based on integrated BP network. The frequency domain and inverse frequency domain are used for feature extraction, an...
16Mn is a material in steel. A name for steel in the past. However, since the hardening tendency of 16Mn steel is slightly greater than that of low carbon steel, preheating measures need to be taken t...
Red mud is the largest waste generated during the alumina production process and the largest source of pollution in alumina plants. Due to different production methods and bauxite grades, approximatel...
Power station valve JB/T3595(E101) JB/T3595(E101) JB/T3595(E101) / GB12224 (ASNIB16.25) JB/T3595(E101) Low temperature valve JB/T7749 / GB12221 JB/T79 GB12224 JB9092 Reduced diameter forged steel valv...
China GB standard grade Cr12MoV, China Taiwan cNS standard grade SKD11, German DlN standard material number 1.26o1, German DIN standard grade x165CrM0v12, Japanese Jis standard grade sKD11, Korean Ks ...
The regulating mechanism is a device that converts changes in the output displacement of the actuator into changes in the flow area between the control valve spool and the valve seat. The regulating m...
High-speed processing machine tools are efficient, high-performance processing machine tools developed on the basis of CNC milling machines and machining centers to meet the development needs of aviat...
The choice of gasket material mainly depends on the following three factors: temperature, pressure, and medium. 1. Metal gasket material 1. Carbon steel: It is recommended that the maximum operating t...
Vacuum degassing refined steel, stable quality; Good hardenability, oil cooling quenching (less quenching cracks and deformation); Good toughness and wear resistance, the tool is durable; YK30 adds Mn...
A chromite ore concentrator is currently processing rich ore with a chromium grade (Cr2O3) of more than 32%. Using a full shaking table classification and separation process, a chromium concentrate wi...
1. Stainless steel hot rolled steel plate Stainless steel hot-rolled steel plate is a stainless steel plate produced by hot rolling process. Those with a thickness of not more than 3mm are thin plates...
Technical standards for high-pressure fertilizer pipes High pressure fertilizer pipe GB6479-2000 High pressure fertilizer pipe specifications: 8-1240×1-200mm High-pressure fertilizer pipe manufacturin...
DC11 steel produced by Japan’s Daido Steel Co., Ltd. is also a type of JIS SKD11. It is a general-purpose cold work die steel (air-cooled hardened steel) with long life, high wear resistance, hi...
In mechanics, many people confuse strength and stiffness, but in specific material operations and manufacturing, the concepts of strength and height are inseparable, so many people want to understand ...
Heat dissipation is a major factor affecting the lighting intensity of LED lamps. The heat sink can solve the heat dissipation problem of low illumination LED lamps. A heat sink cannot solve the heat ...
CNC pipe bending machine is mainly used in electric power construction, highway and railway construction, boiler, bridge, ship, furniture, decoration and other aspects of pipeline laying and repairing...
Yes, stainless steel can be heat treated, but the specific heat treatment process and its effects on stainless steel depend on the alloy’s composition. Stainless steel is a broad category of ste...
When military vehicles are in field training, on duty and on duty, accidents such as collisions and scratches will inevitably occur with each other, and corresponding maintenance must be carried out b...
Nowadays, more and more plastic mold manufacturers have begun to use beryllium copper mold materials. Among the many metal materials, what makes beryllium copper more and more popular? How to Make Ber...
Fasteners are a general term for a type of mechanical parts used when two or more parts (or components) are fastened and connected into a whole. They are also called standard parts on the market. Type...
In recent years, my country’s construction hardware, automotive electronics, digital technology and other industries have developed rapidly. The production and sales of the mold industry have be...
With the rapid development of manufacturing industry, CNC machining has become an indispensable part. 3+2 axis CNC machining and 5 axis CNC machining are the two most commonly used machining methods. ...
A few days ago, a well-known veteran empire across the Eurasian continent officially released the first mass-produced domestic electric vehicle since the country was born. Don’t get it wrongR...
Engineering Machinery Oil Pan Product Development Technology Through the description and introduction of the product development of the oil pan stamping parts of construction machinery, the representa...