Carbon cored wire is a specialized alloy cored wire widely applied in the steelmaking and casting industries, serving as a high-efficiency carbon raiser. Different from traditional lump carbon raisers, it is manufactured by crushing high-purity carbon-raising materials into standardized particles, which are then tightly wrapped in a high-quality steel strip to ensure stable performance during use.
With the continuous upgrading of the global steel industry towards high efficiency, energy conservation and environmental protection, carbon cored wire has become an indispensable auxiliary material in modern steelmaking processes. Its unique structural design solves the problems of low absorption rate and easy pollution of traditional carbon-adding methods, effectively improving the quality of molten steel and reducing production costs.
Latest Industry News of Carbon Cored Wire
In 2026, the global carbon cored wire market is showing a steady growth trend. According to the latest industry research reports, the global market size of carbon cored wire is expected to maintain a compound annual growth rate (CAGR) of 5-6% from 2026 to 2033, driven by the increasing demand for high-quality steel in infrastructure construction and automotive manufacturing worldwide. Meanwhile, with the accelerated popularization of electric arc furnaces (EAFs) and ladle metallurgy furnaces in steelmaking processes, the demand for precise alloying and deoxidation has further promoted the application of carbon cored wire.
In terms of product innovation, the industry is gradually developing carbon cored wire with higher recycled content and more environmentally friendly casing materials, in response to the global call for sustainable development. In addition, the optimization of production processes has made it possible to customize products with more diverse specifications, better meeting the personalized needs of different steelmaking enterprises.
Carbon Cored Wire Specifications
The specifications of carbon cored wire are designed according to the actual needs of steelmaking and casting, with complete models and customizable options. The following is the standard specification table, which is compatible with WordPress editing and will not cause layout distortion:
| Specification Item | Standard Value | Optional Range |
| Carbon (C) Content | 90%, 95%, 98% | 85%-99% (customizable) |
| Wire Diameter | 13mm | 13mm±0.5mm |
| Steel Strip Thickness | 0.45mm | 0.3-0.6mm |
| Powder Weight per Meter | 135g/m | 120-150g/m (customizable) |
| Absorptivity | ≥90% | ≥88% |
| Moisture Content | ≤0.5% | ≤1.0% |
| Packaging | Waterproof plastic + steel frame | Iron cage, clinker bag (customizable) |
Application Advantages of Carbon Cored Wire
Using carbon cored wire in the steelmaking process can bring multiple advantages, effectively optimizing the production process and improving product quality:
It can avoid impurities entering the molten steel. The carbon-raising materials used in traditional steelmaking are light in specific gravity and low in melting point. When added in lumps, they are easy to float on the surface of molten steel, produce bubbles, and introduce impurities. Carbon cored wire can be directly sent to the bottom of molten steel through a wire feeder, ensuring full contact and reaction between the carbon-raising materials and molten steel.
It can strictly control the chemical composition of molten steel. The feeding speed and dosage of carbon cored wire can be accurately controlled by the wire feeder, avoiding the problem of unstable carbon content in molten steel caused by manual feeding, and ensuring the stability of steel quality.
It can significantly reduce production costs. The high absorptivity of carbon cored wire can improve the utilization rate of carbon-raising materials, reduce material waste, and at the same time simplify the operation process, reduce labor costs, and achieve the effect of cost saving and efficiency improvement.
Types of Alloy Cored Wire
As an important type of alloy cored wire, carbon cored wire is often used together with other types of alloy cored wire in actual steelmaking processes. Common types include:
Calcium Cored Wire, Pure Calcium Cored Wire, Calcium Silicon Cored Wire, Calcium Iron Cored Wire, Ferro Silicon Cored Wire, FeS Cored Wire, CaAlFe Cored Wire, Silicon Aluminum Barium Cored Wire, Ferrosilicon Magnesium Cored Wire, Ferro Silico Manganese Cored Wire, Nitrided Manganese Cored Wire, Nitrided Ferrochrome Cored Wire, Pure Mg Core Wire, SiBaCa Cored Wire.
Current Price of Carbon Cored Wire
As of March 2026, the market price of carbon cored wire (FOB Tianjin) is around 880-930 USD per ton, which is slightly adjusted compared with the same period last year, mainly affected by the price fluctuation of raw materials and market demand. For detailed price quotes and customized specification quotes, please contact us for further information.