Calcium Carbide
Calcium Carbide Supplier in China
Reliable Calcium Carbide for Metallurgical and Industrial Applications
Zhen An supplies calcium carbide for steelmaking, acetylene production, and other metallurgical and chemical applications. Available sizes include 7–15mm, 15–25mm, 25–50mm, 50–80mm, and 25–120mm, with customized specifications and packaging available for different industrial requirements.
ZhenAn is an enterprise specializing in metallurgical and refractory products, integrating production, processing, sales, and import and export business. We are committed to delivering the right quality and quantity to suit different customer processes. With annual production and sales of more than 150,000 tons, a 30,000-square-meter factory, modern production equipment, two large production bases, two key laboratories, and a metallurgical materials testing center, we provide stable supply and reliable support for customers worldwide.
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Calcium Carbide Sizes and Specifications
| Parameter | Description |
|---|---|
| Sizes Available | 7–15mm, 15–25mm, 25–50mm, 50–80mm, 25–120mm |
| Product Form | Pieces / Lumps |
| Appearance | Gray-black |
| Density | 2.22 g/mL at 25°C |
| Specific Gravity | 2.22 |
| Water Reaction | Hydrolyses |
| Storage Condition | Store in a dry, water-free area |
| Moisture Sensitivity | Moisture sensitive |
| Chemical Stability | Reacts violently with water and releases highly flammable acetylene gas |
Handling and Storage: Keep calcium carbide away from moisture, water, strong oxidizing agents, alcohols, hydrogen chloride, and magnesium.
Calcium carbide offers several practical advantages in metallurgical and industrial applications.
- Supports deoxidation and desulfurization
- Helps improve metal purity
- May reduce the use of synthetic slag and other slag-forming materials
- Supports the recovery of oxidized metals such as chromium, manganese, silicon, and iron
- May help reduce aggressive furnace slag and support refractory service life
- Low sulfur content makes it suitable for applications where sulfur control is important
Calcium carbide is composed of calcium and carbon. Pure calcium carbide is colorless, while most industrial-grade products appear gray or black. It is widely used in the production of acetylene and calcium cyanamide and is commonly manufactured in an electric arc furnace from a mixture of lime and coke at high temperature.
Because calcium carbide reacts strongly with water, it should be stored and handled carefully in dry conditions. Its performance and suitability make it an important material in metallurgical, chemical, and industrial processing applications.
Application of Calcium Carbide
Acetylene Production:One of the most important uses of calcium carbide is acetylene production. When calcium carbide reacts with water, acetylene gas is released. This gas is widely used in welding, cutting, and other industrial processes.
Steelmaking: In steelmaking, calcium carbide is used as a deoxidizer and desulfurizer. It helps remove impurities such as sulfur and oxygen from molten steel, which can improve the quality of the final product.
Chemical Industry: Calcium carbide is also used as an important intermediate in the chemical industry. In addition to acetylene production, it is used in the manufacture of calcium cyanamide and other related chemical products.
Other Industrial Uses: Calcium carbide may also be used in other specialized industrial applications depending on process requirements.
Crystal Structure of Calcium Carbide
Calcium carbide is a calcium salt of acetylene, consisting of calcium cations Ca2+ and acetylide anions −C≡C−. Pure calcium carbide is a colourless solid. The common crystalline form at room temperature is a distorted rock-salt structure with the C units lying parallel. There are three different polymorphs which appear at room temperature: the tetragonal structure and two different monoclinic structures.
Calcium carbide is produced through the reaction of lime with coke at high temperature in an electric arc furnace. This process requires a high-temperature environment to support the reaction and ensure product formation.
After production, the calcium carbide is cooled, crushed, and processed into the required particle sizes for industrial use. Product quality depends on factors such as raw material quality, furnace control, and processing efficiency.
Calcium carbide should be handled with care. It reacts violently with water and can release acetylene gas and heat. For this reason, the product should always be stored in a cool, dry place and protected from moisture.
When handling calcium carbide, operators should use appropriate protective equipment such as gloves and goggles. Safe storage and handling are essential for maintaining product quality and reducing operational risk.
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Packing |
Bag /Steel Drum |
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Shipping |
Shipped by road, sea, or rail according to customer requirements and destination conditions. |
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