South African Coal (RB1, RB2, RB3)
Product Description
MA Associates supplies South African Coal, a high-quality thermal (steam) coal exported through Richards Bay, South Africa. South African coal is traded in standard export grades, commonly known as RB1, RB2, and RB3, which are widely used as benchmarks in the international thermal coal market.
RB1 is the highest-energy grade, with a calorific value of around 6,000 kcal/kg NAR, and is used where high heat output and consistent quality are needed. RB2 and RB3 offer progressively lower calorific values with higher ash content, giving buyers a cost-effective option for applications where the equipment and process can accommodate them.
At MA Associates, we aim to help buyers select the right South African coal grade according to their technical requirements, intended application, order quantity, and delivery needs. Final specifications are agreed in the contract and verified through laboratory analysis and inspection documents.
Key Features of South African Coal
- Standard Export Grades: RB1, RB2, and RB3 grades commonly traded from Richards Bay.
- High Calorific Value: RB1 is typically around 6,000 kcal/kg NAR, suitable for demanding thermal applications.
- Low Sulphur: Typically around or below 1% total sulphur, subject to the specific cargo.
- Grade Flexibility: Buyers can balance heating value against cost by choosing between RB1, RB2, and RB3.
- Bulk Supply: Shipment arrangements for industrial buyers, wholesalers, and traders.
- Quality Verification: Laboratory analysis and independent inspection arrangements can be discussed as part of the order.
South African Coal Specifications
The table below shows indicative specifications for the commonly traded South African coal grades. Actual values depend on the mine and cargo and should be confirmed through a laboratory test report.
| Parameter | RB1 | RB2 | RB3 |
|---|---|---|---|
| Origin | South Africa (loading port: Richards Bay) | ||
| Product Type | Thermal / Steam Coal | ||
| Net Calorific Value (NAR), kcal/kg | ~6,000 (min. ~5,850) | Between RB1 and RB3 (confirm per cargo) | ~5,500 (min. ~5,300) |
| Gross Calorific Value (ARB) | Approx. 6,450 – 7,170 kcal/kg (27 – 30 MJ/kg) | Approx. 5,730 – 6,450 kcal/kg (24 – 27 MJ/kg) | Approx. 5,250 – 5,730 kcal/kg (22 – 24 MJ/kg) |
| Total Moisture (ARB) | Approx. 6 – 10% (max. 12%) | Approx. 6 – 12% | Approx. 8 – 14% (max. 14%) |
| Ash Content | Approx. 12 – 20% (typically ~15%) | Approx. 18 – 28% | Approx. 23 – 35% |
| Volatile Matter | Approx. 18 – 25% | Approx. 18 – 28% | Approx. 18 – 30% |
| Total Sulphur | Typically below 1% (confirm per cargo) | ||
| Size | As per buyer requirements and availability | ||
| Packaging | Bulk shipment or as mutually agreed | ||
| Supply Quantity | According to availability and order requirements | ||
| Quality Documentation | Laboratory analysis / inspection report as agreed | ||
Figures shown are indicative market ranges for commonly traded South African thermal coal and are not a guarantee of any shipment. Basis (as received or air-dried) and exact values vary by mine and cargo. All terms must be confirmed in the contract and by a laboratory test report.
Applications of South African Coal
Depending on the grade and the design of the combustion system, South African Coal may be considered for:
- Coal-fired power generation and captive power plants
- Cement plants and other kiln-based manufacturing
- Industrial boilers for textile, paper, food, and chemical processing
- Furnaces and thermal processing units
- Other industrial applications that need a high-energy solid fuel
Higher-ash grades such as RB3 may require fuel-handling and ash-disposal systems designed for them. Buyers should confirm that the coal’s calorific value, ash, moisture, sulphur, and size are compatible with their equipment before purchase.
Why Choose MA Associates?
MA Associates aims to support industrial and commercial customers with dependable sourcing, clear technical information, and supply arrangements tailored to their requirements. We work with buyers to match the right South African coal grade to their intended application, required specifications, and order quantities.
Our team can discuss grade selection, available quantities, quality documentation, pricing, and delivery arrangements according to the buyer’s needs.
