Specialized In Die Casting Service And Parts with Professional Design and Development

102,No.41,Changde Road,Xiaojiejiao,Humen Town,Dongguan,China | +86 769 8151 9985 | sales@hmminghe.com

Desulfurization Test Of Pure Iron Steel Ingot By Electroslag Smelting

Publish Time: Author: Site Editor Visit: 10444

Through experiments, it is found that carbon content at the bottom of the electroslag ingot will increase when the carbon content in the purified slag is higher than 0.02%. When produced according to the traditional process, the carbon content in the purified slag is about 0.07%, and the carbon mainly comes from alumina powder (containing 0.06% to 0.08% C)

Through experiments, it is found that carbon content at the bottom of the electroslag ingot will increase when the carbon content in the purified slag is higher than 0.02%. When produced according to the traditional process, the carbon content in the purified slag is about 0.07%, and the carbon mainly comes from alumina powder (containing 0.06% to 0.08% C). Furthermore, if graphite electrodes are used to melt the slag, the carbon increase of the steel ingot will be aggravated. It is also found that the carbon increase of electroslag steel ingots gradually decreases from bottom to top. This is because during the smelting process, part of the C in the slag has diffused into the steel, and part of it is gradually burned.

The quality of O-S purified slag is the key to the desulfurization of electroslag process. Purified slag is generally smelted with iron-aluminum rods to reduce the SiO: brought in the fluorite. If the SiO: content of the finished slag is high (>3%), the desulfurization ability of the slag will be poor. The returned slag has been analyzed, and the total content of unstable oxides (FeO, SiO, and MnO) in the slag is up to 20%, and the slag is black. At this time, the electroslag process has no desulfurization effect and the quality of the steel ingot is poor.

In the process of electroslag smelting, the oxidation and alkalinity of the slag changes with the changes of various smelting conditions, which affects the desulfurization effect, especially when the oxidation of the slag increases, the desulfurization effect becomes significantly worse. The literature believes that the high content of FeO and MnO in the slag will significantly increase the oxygen permeability to the slag. The continuous increase of FeO content in the slag phase will cause burning loss of active elements and changes in the composition of remelted metals and slag.

Through production tests, it is concluded that the main reason for the increased oxidation of slag during the electroslag smelting process is that there is residual oxide scale on the surface of the electrode blank, and it is prone to rust due to weather. The oxidation of the electrode surface is aggravated under high temperature conditions. As it progresses, the oxides on the electrode surface continue to enter the liquid slag, causing the slag to increase in oxidation.

In the experiment, it was also found that the oxidation rate of the slag from the large ingot bipolar tandem process increased quickly; the aluminum content in the YT01 electrode blank was low, which was not conducive to controlling the oxidation of the slag. Therefore, it is believed that the surface oxide scale and rust of the electrode, and the high temperature oxide on the electrode surface during the smelting process are the main sources of unstable oxides in the slag.


Please keep the source and address of this article for reprinting:Desulfurization Test Of Pure Iron Steel Ingot By Electroslag Smelting


Minghe Die Casting Company are dedicated to manufacture and provide quality and high performance Casting Parts(metal die casting parts range mainly include Thin-Wall Die Casting,Hot Chamber Die Casting,Cold Chamber Die Casting),Round Service(Die Casting Service,Cnc Machining,Mold Making,Surface Treatment).Any custom Aluminum die casting, magnesium or Zamak/zinc die casting and other castings requirements are welcome to contact us.

ISO90012015 AND ITAF 16949 CASTING COMPANY SHOP

Under the control of ISO9001 and TS 16949,All processes are carried out through hundreds of advanced die casting machines, 5-axis machines, and other facilities, ranging from blasters to Ultra Sonic washing machines.Minghe not only has advanced equipment but also have professional team of experienced engineers,operators and inspectors to make the customer’s design come true.

POWERFUL ALUMINUM DIE CASTING WITH ISO90012015

Contract manufacturer of die castings. Capabilities include cold chamber aluminum die casting parts from 0.15 lbs. to 6 lbs., quick change set up, and machining. Value-added services include polishing, vibrating, deburring, shot blasting, painting, plating, coating, assembly, and tooling. Materials worked with include alloys such as 360, 380, 383, and 413.

PERFECT ZINC DIE CASTING PARTS IN CHINA

Zinc die casting design assistance/concurrent engineering services. Custom manufacturer of precision zinc die castings. Miniature castings, high pressure die castings, multi-slide mold castings, conventional mold castings, unit die and independent die castings and cavity sealed castings can be manufactured. Castings can be manufactured in lengths and widths up to 24 in. in +/-0.0005 in. tolerance.  

ISO 9001 2015 certified manufacturer of die cast magnesium and mold manufacturing

ISO 9001: 2015 certified manufacturer of die cast magnesium, Capabilities include high-pressure magnesium die casting up to 200 ton hot chamber & 3000 ton cold chamber, tooling design, polishing, molding, machining, powder & liquid painting, full QA with CMM capabilities, assembly, packaging & delivery.

Minghe Casting Additional Casting Service-investment casting etc

ITAF16949 certified. Additional Casting Service Include investment casting,sand casting,Gravity Casting, Lost Foam Casting,Centrifugal Casting,Vacuum Casting,Permanent Mold Casting,.Capabilities include EDI, engineering assistance, solid modeling and secondary processing.

Casting Parts Application Case Studies

Casting Industries Parts Case Studies for: Cars, Bikes, Aircraft, Musical instruments, Watercraft, Optical devices, Sensors, Models, Electronic devices, Enclosures, Clocks, Machinery, Engines, Furniture, Jewelry, Jigs, Telecom, Lighting, Medical devices, Photographic devices, Robots, Sculptures, Sound equipment, Sporting equipment, Tooling, Toys and more. 


What Can we help you do next?

∇ Go To Homepage For Die Casting China

Casting Parts-Find out what we have done.

→Ralated Tips About Die Casting Services


By Minghe Die Casting Manufacturer |Categories: Helpful Articles |Material Tags: , , , , , ,Bronze Casting,Casting Video,Company History,Aluminum Die Casting |Comments Off

MingHe Casting Advantage

  • Comprehensive Casting design software and skilled engineer enables sample to be done within 15-25 days
  • Complete set of inspection equipment & quality control makes excellent Die Casting products
  • A fine shipping process and good supplier guarantee we can always deliver Die Casting goods on time
  • From prototypes to end parts, upload your CAD files, fast and professional quote in 1-24 hours
  • Wide-ranging capabilities for designing prototypes or massive manufacturing end use Die Casting parts
  • Advanced Die Casting techniques (180-3000T Machine,Cnc Machining, CMM) process a variety of metal & plastic materials

HelpFul Articles

The Maintenance Method Of Die Casting Mold

Die casting die belongs to a kind of casting liquid die forging and special die casting die forging

Use And Maintenance Of Agricultural Water Pumps

Agricultural water pumps are widely used. How to properly use and maintain agricultural water pumps

Metal Oxide Film Influence On The Quality Of Aluminum Alloy Castings

"Casting" is a liquid metal forming process. It is well known that liquid metal at high temperature

Market Advantages And Disadvantages Of Die-Cast Aluminum Radiator

In the 1980s, my country developed aluminum radiators; in the 1990s, my country paid great attention

The Water Filling Method Of Centrifugal Pump

Centrifugal pumps (except self-priming pumps) must be filled with water before starting the pump and

The Principles Of Pump Cleaning

Cleaning is an important part of the pump repair work, and the cleaning quality has a great influenc

The Causes Of Bearing Corrosion

The main cause of this kind of rust is the moisture, dust and SO2, H2S, CO2 and other gases in the a

The Melting And Treatment Of ADC12

Ensuring the quality of die-casting aluminum alloy smelting is the most important step in die-castin

How To Check The Dynamic Balance Of The Pump Impeller?

When the pump is dynamically balanced, the entire rotor parts should be made together. The impeller

New Process Of W-type Die Cast Aluminum Water-Cooled Base

This article introduces a manufacturing method of environmentally friendly energy traction motor and

The Disassembly Method Of Mechanical Parts

The disassembly of mechanical parts is related to the safety of the parts and the efficiency of disa

The Composition And Function Of Precision Stamping Die

Everyone knows that the processing of precision stamping parts is inseparable from stamping dies. St

Four Types And Application Scopes Of Large-Scale CNC Machining

The above are some introductions to the types and application scope of large-scale CNC machining. I

Five Elements Of Aluminum Die Castings To Produce Stoma

People working in aluminum alloy die-casting plants will encounter many technical problems, such as

The Main Function Of Shaft To Non-Standard Parts Machining

Advanced non-standard precision parts Cnc Machining equipment and testing equipment, advanced Cnc Ma

The Material Forming Process Of Custom Mechanical Parts

With the advancement of science and technology, in the aerospace and computer fields, some parts tha

The Cost Analysis Of Precision Castings

Based on the characteristics of all silica sol investment casting process and cost distribution, thi

Surface and internal quality inspection methods of castings

The inspection of castings mainly includes size inspection, visual inspection of appearance and surf

Quality Requirements And Selection Of Thin Steel Plates For Automobiles

At present, the surface of domestic thin steel plates mainly suffers from scratches, rust, pits and

Research Trends Of Heat Treatment Of High-Strength Steel, DP Steel And Martensitic Steel

With the increase in strength of steel materials, martensite is used in various steels. However, bec