Beijing CRS Metallurgical Machinery Co.,Ltd.

17/08/2023

Thermite Welding Supplies: One Shot Crucible of inner crucible is MgO, outside is steel plate barrel. It is used as the reacting container of portion powder.
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14/08/2023

CRS have more than 30 years experience of designing thermit welding to the rails. Focusing on rail welding used for railroad, metro, tram, crane rails, turnel construction and maintenance.
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09/08/2023

In thermit welding, aluminium powder reduces the iron oxide, because aluminium is highly reactive. The products are free elemental iron, aluminium oxide and a large amount of heat. Iron(III) oxide is commonly used:
Chemical equation: Fe2O3+2Al→2Fe＋Al2O3+850KJ
Thermit welding is a skilled trade, as CRS manufacturing services, our certified engineers use their skills to service our customer for local training, project on-site supervision, which have serviced many countries such as Indonesia, Malaysia, Singapore, Thailand, Cambodia, Sudan, Australia etc.
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04/08/2023

How To Do Thermite Welding?
It is important that only qualified and supervised individuals attempt thermite welding as it can be very dangerous. Thermite welding is known for causing minor eruptions around the workpiece. Before you can even begin thermite welding, you'll need to cast moulds to direct the metal mixture that you'll be pouring into the gap. You'll also need a special cauldron in which the metal will be melted, with side dishes for catching any excess flows. You will also need a blow torch for preparing the workpiece, as the workpiece needs to be hot before you start melting the mixture and applying it to the workpiece.
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Thermite welding, sometimes written 'thermit welding', 'the Goldschmidt process' or 'exothermic welding', is the process of creating a welded joint by pouring molten metal between two or more workpieces. It was officially developed in 1895 and still has its uses on railroads today.

30/07/2023

Thermit Welding Consumables
Exothermic welding provides a superior solution through permanent molecular bonding. Exothermic welding is the preferred linking method in many industries because of its inherent molecular-level reliability for conductors and joints.
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26/07/2023

Rail Welding Tools
Hand tools and machines for railroads are widely used in track construction and maintenance. They are mandatory for safe and efficient rail transportation operations.
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22/07/2023

The main features of aluminum thermal welding of steel rails
1. simple equipment
2. filler welding, the use of flux reaction generated aluminum hot steel liquid filling the gap between the rails to be welded.
3. high smoothness of the joint
4. short operating time
5. welding occupies little space
6. welding construction occupies little time
7. No need to connect the power source
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19/07/2023

Rail Grinding Machine
Features
This machine allows for precise and effective repair of rail profiles on flat bottom rails in heads and joints.
Accurate and efficient repair of flat-bottom rail profiles
User-friendly working position
Maximum safety
Long engine life
Maintenance-free belt tensioner and quick grinding stone replacement, short downtime
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16/07/2023

Rail Shearing Machine is a mechanical device that is used to cut and remove the excess or unwanted part of the rails after Thermit Welding.
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13/07/2023

Sand molds are used in thermit welding to form a cavity around the rail ends to be joined. The mold is made of sand and other materials and is designed to hold the molten metal produced during the thermit reaction. The sand mold plays a critical role in thermit welding
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10/07/2023

Burner For Track Repair belongs to Railway Track Maintenance Tools, The right side of the burner is connected to the liquefied gas and oxygen pipes, when the gas is mixed. It sprays out at the outlet to preheat the rail end which pending to be welded.
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06/07/2023

Thermite powder is a pyrotechnic composition usually consisting of metal powder and a metal oxide. Thermite welding powder is not usually explosive, but it does create extremely high temperatures in a very small area for a short period of time. For instance, aluminum/iron-oxide thermite temperatures are as high as 4500 degrees F.
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