The global mold powders and casting fluxes market is projected to grow from USD 1.0 billion in 2026 to USD 1.5 billion by 2036, advancing at a 4.1% CAGR during the forecast period. The market was valued at USD 0.9 billion in 2025, with demand closely tied to continuous casting volumes and the increasing need for controlled heat transfer, lubrication, and surface quality in steel production.
Mold powders and casting fluxes are consumed during continuous casting operations, creating recurring demand from steel producers. Increasing steel-grade complexity is also driving the need for formulations tailored to specific caster conditions, steel grades, and operating requirements.
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Mold Powders Lead Product Type Demand
By product type, mold powders are expected to account for a 48.1% share in 2026, making them the leading segment. Their use in lubrication, insulation, heat-transfer control, meniscus protection, and inclusion absorption supports their position in continuous casting operations.
By workflow, slab casting is projected to hold a 44.7% share in 2026. High-volume flat steel production and the importance of surface quality make stable mold powder performance an important part of slab casting operations.
Integrated Steel Plants Drive End-User Demand
By end user, integrated steel plants are expected to account for 57.9% of market demand in 2026. These facilities rely extensively on continuous casting and therefore represent a significant source of recurring consumption for mold powders and casting fluxes.
Steel-grade complexity is also influencing product selection. Peritectic steels, ultra-low carbon steels, automotive grades, and other demanding grades require tighter control of powder behavior, encouraging mills to adopt application-specific formulations and technical support.
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Raw Material Pressure Influences Procurement
Raw material volatility remains a consideration for manufacturers, particularly because inputs such as fluorspar face supply concentration and price fluctuations. Steelmakers are therefore placing greater importance on dependable sourcing and local technical support.
Qualification cycles can also limit supplier switching. Because powder performance is linked to caster geometry, steel grade, and defect tolerance, mills generally require testing and validation before adopting alternative formulations.
Competitive Landscape
The competitive landscape includes Vesuvius plc, Calderys, RHI Magnesita, Shinagawa Refractories Co., Ltd., Krosaki Harima Corporation, Puyang Refractories Group Co., Ltd., Resco Products, Inc., Saint-Gobain SEFPRO, IFGL Refractories Ltd., and Dalmia Bharat Refractories.
Competition centers on formulation performance, caster compatibility, steel-grade requirements, reliable sourcing, and technical support. Suppliers are increasingly focusing on application-specific formulations and closer plant-level support to address operating conditions and surface-quality requirements.
Business Impact
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