

Because of the bright future of the universal requirement for DRI briquette over the next two decades, a new method was created in 2009 in Iran to produce a cold briquette of CDRI (Patent No. IR60923). Cold-Briquetted Sponge Iron (CBSI) was the name given to the new product. Afterward, following pilot-scale and performing various laboratory studies, Cold-Briquetted Iron and Carbon (CBIC) was invented in Iran as a premium product over CBSI because of the prior�¢??s higher carbon content sand higher efficiency through processes of steelmaking (Patent No. IR84090). Owing to the fact that the cold-briquetting process of DRI is being done under high pressures, the density and mechanical strength of CBIC should be higher and the surface area and also porosity should be less than DRI�¢??s. thus, the oxidation rate, dust and fine generation rate, and the moisture adsorption capacity of DRI will considerably decrease through the process of cold briquetting. These improvements would have big technical, economic and environmental effects on direct reduction and industries steel manufacturing and will push them heading for more sustainability
| HS Code | 7203.90 |
| Brand | EximNext |
| Material | Direct Reduced Iron (DRI) - Metallized Iron |
| Grade/Type | Cold Briquetted Sponge Iron (CBSI / CDRI Briquette) |
| Purity/Composition | Iron (Fe) 85-93%; Metallic Iron 80-88%; Carbon 0.5-2.5%; Gangue (SiO2+Al2O3) 3-7% |
| Size/Dimensions | Briquette size: 30-60mm length; irregular pillow or ovoid shape; bulk density 2,500-3,000 kg/m3 |
| Standard | Generally to ISO 11323 / producer internal specs; PATENT IR60923 (Iran 2009 production method) |
| Application | Secondary steelmaking (EAF/IF furnace), blast furnace feed, iron foundry, hot metal substitute, scrap replacement in ladle metallurgy |
| Packaging | Jumbo bags (1-1.5 MT), big bags with inner polyethylene liner; or bulk loose in containers/ships |
| Origin | Iran (primary producer under Patent IR60923); also produced in India, Russia, Venezuela |
Cold Briquetted Sponge Iron (CBSI) is produced by compressing Coiled Direct Reduced Iron (CDRI) into dense briquettes at ambient temperature, offering superior handling and reduced oxidation compared to loose DRI. Widely used as a high-quality scrap substitute in Electric Arc Furnaces (EAF) and Induction Furnace (IF) steelmaking operations, CBSI provides consistent metallization and low gangue content ideal for premium steel grades. CBSI is a preferred feed material for export and import due to its bulk density and ease of logistics across international markets.
| Business Type | Supplier |
| Year Established | Recently Joined |
| Employees | Contact Supplier |
| Annual Revenue | Contact Supplier |
| Main Products | View Products Tab |
| Major Markets | Global |
| Response Time | <4h |
| Response Rate | New Supplier |
Cold Briquetted Of Sponge Iron - CBSI is available for wholesale import from Arij Global Trading Co., a verified Supplier based in Oman. The current FOB price is 350. Minimum order quantity starts at 1 Bags. HS Code: 7203.90 — used for customs classification and import duty calculation. Key product specifications include 7203.90, EximNext, Direct Reduced Iron (DRI) - Metallized Iron.
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