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Deploying advanced track maintenance equipment built to comply with strict Middle Eastern railway standards and harsh environmental conditions.
The State of Qatar has established one of the most sophisticated multimodal transportation ecosystems across the Middle East. Anchored by the Doha Metro (Red, Green, and Gold lines), the Lusail Light Rail Transit (LRT), Hamad Port's automated container terminal crane networks, and planned regional GCC railway interconnections, reliable permanent way engineering is vital.
Operating continuous welded rails (CWR) in Doha presents extraordinary metallurgical challenges. Ambient temperatures exceeding 50°C during summer, surface steel rail temperatures reaching upwards of 70°C, high coastal humidity, and abrasive desert sands necessitate thermal joint welding solutions with exceptional fatigue resistance, zero volumetric defects, and precise chemical metallurgy matching standard rail profiles (such as 60E1, 54E1, UIC54, UIC60, and heavy crane sections CR100/CR120).
Tailored aluminothermic formulations and execution equipment catering to urban transit, container logistics, and high-speed rail.
Designed for ballasted and slab-track urban tunnels, elevated viaducts, and surface stations. Ensures ultra-low acoustic vibration, seamless surface geometry, and high structural elasticity for passenger comfort across Msheireb Central, Lusail, and Hamad International Airport junctions.
High wheel loads from automated Ship-to-Shore (STS) and Rail Mounted Gantry (RMG) container cranes demand high-hardness, wear-resistant aluminothermic welds. Our specialized CR-series portions eliminate joint battering and prevent crane downtime.
Heavy-haul corridors in Mesaieed Industrial City and Ras Laffan Energy Corridors require high tensile strength and resilience against extreme desert temperature cycling, chemical exposure, and corrosive coastal saline atmospheres.
Direct manufacturer committed to setting global benchmarks in railroad aluminothermic welding materials, automated machinery, and technical services.
RMTS is a manufacturer specializing in railroad thermit welding materials, based in Tianjin, China. With a factory spanning 5,500+㎡ and 30+ professionals dedicated, we are committed to delivering reliable and efficient thermit welding solutions to clients across the globe. Our products are designed to meet the highest industry standards, ensuring durability and performance in various applications.
We understand that successful welding projects require not only high quality products but also expertise and knowledge. That’s why we offer comprehensive on-site training programs to help our clients master the thermit welding process, enabling them to achieve optimal results and build a strong reputation in their respective fields. Additionally, our experienced team provides project welding instruction services, offering hands-on guidance and support to ensure seamless execution, no matter where the project is located.
Driven by a customer-centric approach, RMTS is dedicated to fostering long-term partnerships by delivering exceptional products and services tailored to the unique needs of our clients. Whether you are looking for reliable thermit welding materials, expert training, or project support, RMTS is your trusted partner in achieving welding excellence.
Continuous innovation in exothermic welding formulas, crucibles, and precision mechanical tooling.
RMTS have a highly skilled R&D team that works tirelessly to ensure that we produce thermit welding materials that meet the specific needs of each type of rail.
01 MORE DETAILSIn addition to its strong R&D capabilities, RMTS actively participates in railway projects across China and abroad. The company collaborates with railway authorities, construction companies, and maintenance organizations to provide its expertise and materials for various projects.
02 MORE DETAILSBy participating in railway projects, RMTS contributes to the development and maintenance of China's extensive railway network. Whether in high-speed rail, urban transit systems, or conventional rail lines, RMTS offers its thermit welding materials and services to ensure the integrity and safety of the rail infrastructure.
03 MORE DETAILSFurthermore, RMTS maintains partnerships with research institutions, universities, and industry experts in China. These collaborations enable RMTS strengthens its R&D capabilities in thermit welding technologies.
04 MORE DETAILSRMTS's strong R&D abilities, coupled with its involvement in railway projects, demonstrate the company's commitment to providing advanced thermit welding solutions that meet the specific demands of the railway industry.
Proprietary crucible designs engineered for safety, slag separation efficiency, and high thermal stability.
Single-use ecological crucible system eliminating pre-heating requirements, reducing handling complexity, and ensuring consistent automatic self-tapping into the mold cavity with zero contamination.
Heavy-duty multi-use refractory crucible systems built for high-volume depot and construction operations, offering outstanding economic efficiency, robust mechanical shell durability, and extended operational lifespan.
Our main markets are in areas such as railway main lines, seaport crane rails, subways, trams, and high-speed railways. Aluminothermic welding plays a crucial role in these fields. No matter the scenario, RMTS welding technology, with its excellent performance, serves as a powerful support for promoting industry development and ensuring operational safety.
Thermit portion, sand mold, luting sand, ignitor are the main consumables for aluminothermic welding. 1 weld, 1 set consumables.
Project Calculation Reference: For a 10km project using standard 12.5m rail lengths:
Calculation formula: 10000 / 12.5 × 2 = 1600 sets of complete welding kits
Over 20 years of experience delivering complete technical protocols for aluminothermic welding excellence across global standard-gauge and industrial rail systems.
Aluminum thermite welding, also known as aluminothermic welding or thermit welding, is a specialized welding technique that utilizes a chemical reaction to generate intense heat for joining aluminum components and railroad steel rails seamlessly.
Preparation: Stp.1 Ensure the rail ends to be welded are clean, free from rust, and properly aligned. The gap size (space between two rails to be welded) shall be 26±2mm. Thorough pre-heating and precise alignment guarantee zero molten steel seepage and maximum fusion strength.
Thermit welding materials will be failed with water. All welding materials should be kept away from any moisture in storage, as well as in the welding process. Ensuring dry pre-heating torches, mold sealing, and dry slag trays prevents reaction bubbling and splatter.
Thermit welding, also known as aluminothermic welding, requires careful handling and storage of its materials to ensure safety and optimal performance. For Doha's coastal humidity and high ambient heat, store portions in climate-regulated, moisture-sealed containers off concrete flooring.
Offer a wide range of thermit welding materials, such as welding kits, sand mould, one shot crucible/long life crucible, luting sand, ignitor, ensuring consistent quality and reliable performance across metro networks, freight corridors, and container ports.
Adapting smart telemetry, non-destructive testing (NDT), and high-durability metallurgy for Gulf Railway integration.
Digital straightedge systems and laser profilometers ensure that every welded joint in Doha matches micro-millimeter tolerance requirements, minimizing dynamic track loads at train speeds exceeding 160 km/h.
Modern environmentally conscious thermit portions reduce smoke generation and particulate matter during reaction—critical for closed subway tunnels and station-adjacent turnouts across the Doha Metro system.
Integration of ultrasonic (UT) and magnetic particle testing (MT) ensures that internal metallurgical bonding is 100% free from slag inclusions, porosity, and micro-cracks before track hand-over.
High-demand equipment and consumables ready for export, direct factory support, and project integration in Doha.