2023-10-06 Steel World Comments Off on What is 2344 steel? What are the applications of 2344 steel?
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...
2023-10-06 Steel World Comments Off on Stainless steel machining process
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...
2023-10-06 Steel World Comments Off on The development of KR hot metal desulfurization process, the principle of desulfurization and its research
Molten iron pretreatment has become a modern steelmaking production process: molten iron pretreatment – double blowing converter – refining outside the furnace – full continuous cast...
2023-10-06 Steel World Comments Off on What is XW5 steel? What are the applications of XW5 steel?
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, ...
2023-10-06 Steel World Comments Off on What are the types of iron ore deposits in my country?
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...
2023-10-06 Steel World Comments Off on What are the specifications, models and materials of alloy pipes?
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...
2023-10-06 Steel World Comments Off on Types and characteristics of loading systems used in production
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 ...
2023-10-06 Steel World Comments Off on Research on neural network method for fault diagnosis of hydraulic pump bearings
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...
2023-10-06 Steel World Comments Off on What is 16MN steel? What are the application ranges of 16MN steel?
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...
2023-10-06 Steel World Comments Off on Analysis on the current status of research on red mud iron separation technology
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...
2023-10-06 Steel World Comments Off on Important specifications for the selection of national standard valves
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...
2023-10-06 Steel World Comments Off on What is SKD11 steel? What are the application ranges of SKD11 steel?
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 ...
2023-10-06 Steel World Comments Off on Introduction to valve regulating mechanism
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...
2023-10-06 Steel World Comments Off on The concept and use of high-speed processing machine tools
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...
2023-10-06 Steel World Comments Off on Various Elements Gasket Installation and Material Methods
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...
2023-10-06 Steel World Comments Off on What is YK30 steel? What are the application ranges of YK30 steel?
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...
2023-10-06 Steel World Comments Off on Chromite beneficiation experiment
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...
2023-10-05 Steel World Comments Off on Common professional knowledge related to stainless steel
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...
2023-10-05 Steel World Comments Off on What are the technical standards for high-pressure fertilizer pipes?
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...
2023-10-05 Steel World Comments Off on What is DC11 steel? What are the applications of DC11 steel?
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...
2021-10-25 Steel World Comments Off on The structure of the roll
Figure 1 Plane roll structure Figure 1-roll body; 2-roll neck; 3-shaft head (cross-shaped shaft head); D-roll body diameter; d-roll neck diameter; d1-shaft head outer diameter; L-roll body Length; l-r...
2021-10-25 Steel World Comments Off on What is W302 steel? What are the applications of W302 steel?
C carbon Cr chromium Mo molybdenum Mn manganese 0.32/0.45 4.75/5.5 1010/1.20 0.20/0.50 W302 Factory state: soft reheating to 235HB (maximum) Forging: forging at 1100°C to 900°C, returning to the fu...
2021-10-25 Steel World Comments Off on Application and Maintenance of Aggregate Heating System in Asphalt Mixing Station
The aggregate heating system of the asphalt concrete mixing station is composed of a burner and an aggregate heating drum. It is one of the key systems of the entire equipment. The reliability of the ...
2021-10-25 Steel World Comments Off on Production process of lean magnetite ore beneficiation
The lean magnetite ore in Anshan area is a lean magnetite ore with high silicon and low sulfur and phosphorus. The content of red and limonite is low, and the content of iron silicate and iron carbona...
2021-10-25 Steel World Comments Off on The main prerequisites that need to be confirmed before nitrogen purging
What are the main prerequisites that need to be confirmed before nitrogen purge? (1) Cut off the gas source, that is, shut off the valve or plug the blind plate, because a large amount of gas is const...
2021-10-25 Steel World Comments Off on Principle, structure, operation and maintenance of rotary vane vacuum pump
Use of rotary vane vacuum pump 1. Before use, the product manual for journalists should be carefully checked, and the shipping quality should be checked after unpacking. Collect the spare parts and te...
2021-10-25 Steel World Comments Off on The structure and application of large centrifugal pump
Due to the topographical characteristics of northern China, the pumping station lifts are all high, generally exceeding 1 MPa, and some are multi-stage pumping stations, and most of them use double-su...
2021-10-25 Steel World Comments Off on Pass and pass design
In the production of section steel, in order to obtain the required product shape and size, the billet is deformed in a series of annular holes composed of upper and lower rollers. The annular groove ...
2021-10-25 Steel World Comments Off on What is DC53 steel? What are the applications of DC53 steel?
C Carbon Si Silicon Mn Manganese V Vanadium P Phosphorus S Sulfur Cr Chromium Mo Molybdenum 1.000 1.000 0.350 2.000 0.002 0.003 8.000 2.000 Precision stamping dies: precision blanking dies for wire-cu...
2021-10-25 Steel World Comments Off on The mystery of several magical metals
Tungsten Tungsten (W) is the metal with the highest melting point, and its vapor pressure is still very low at a high temperature of 2000℃-2500℃. Tungsten has high hardness, high density and good high...
2021-10-25 Steel World Comments Off on China’s gear steel, bearing steel, spring steel production status and future development trends
1 Current status and development direction of gear steel When the gear is working, it is subject to various stresses such as variable load impact force, contact stress, pulsating bending stress and fr...
2021-10-25 Steel World Comments Off on Non-metallic inclusions in continuous casting slab
Non-metallic inclusions in continuous casting slabs can be divided into endogenous inclusions and foreign inclusions according to their generation methods. Endogenous inclusions. It mainly points out ...
2021-10-25 Steel World Comments Off on Trend of mold heat treatment technology
Mold manufacturing accuracy: uneven and incomplete structure transformation and excessive residual stress formed by heat treatment cause mold deformation during processing, assembly and mold use after...
2021-10-25 Steel World Comments Off on Waterproof hammer function of check valve in heating system
Abstract: In the hot water heating system. The phenomenon of water hammer exists objectively. In order to ensure the safety of the system, active preventive measures must be taken; to minimize the occ...
2021-10-19 Steel World Comments Off on What is HD steel? What are the applications of HD steel?
HD die steel is a kind of steel developed by China on the basis of UHBQR080 steel. HD die steel does not contain cobalt, and adds 1% nickel and trace niobium and boron. Its high temperature toughness,...
2021-10-19 Steel World Comments Off on Horizontal assembly rolls of section steel universal rolling mill
The section steel universal rolling mill is a multi-roll rolling mill with two pairs of rolls whose axes are perpendicular to each other in the same vertical plane. The typical roll series diagram is ...
