China metallurgical-grade silicon export offers remained stable on May 28, 2026 at Huangpu Port, with FOB pricing showing no significant fluctuation across mainstream grades.
Industrial Silicon 421: export offers were approximately US$1,450–1,500 per tonne FOB Huangpu Port, with prices unchanged compared with the previous trading session.
Industrial Silicon 2202: export offers were approximately US$2,000–2,100 per tonne FOB Huangpu Port, and the market remained steady with no reported price movement.
Industrial Silicon 3303: export offers were approximately US$1,490–1,510 per tonne FOB Huangpu Port, maintaining stable levels in export negotiations.
Industrial Silicon 441: export offers were approximately US$1,380–1,430 per tonne FOB Huangpu Port, with prices remaining flat amid balanced supply-demand conditions.
Industrial Silicon 553: export offers were approximately US$1,330–1,360 per tonne FOB Huangpu Port, showing continued price stability in the export market.
| China's export price of industrial silicon on May 28 | |||
| Brand | Tax-inclusive price | rise and fall | Notes (USD/ton) |
| 421 | 1450-1500 | -- | Huangpu Port, FOB |
| 2202 | 2000-2100 | -- | Huangpu Port, FOB |
| 3303 | 1490-1510 | -- | Huangpu Port, FOB |
| 441 | 1380-1430 | -- | Huangpu Port, FOB |
| 553 | 1330-1360 | -- | Huangpu Port, FOB |
1. What factors are contributing to the stable export prices of metallurgical silicon grades 421, 2202, 3303, 441, and 553 in China?
China's metallurgical silicon export prices remain stable mainly due to a balanced cost–demand structure:
Stable electricity costs in major production regions (Yunnan, Sichuan, Inner Mongolia)
No major supply disruptions from silicon smelters
Steady downstream procurement from aluminum and chemical industries
Weak but consistent export inquiries (no aggressive restocking cycle)
FOB pricing anchored to domestic spot market parity
👉 Result: producers maintain stable offer levels instead of adjusting prices frequently.
2. How do different metallurgical silicon grades (421, 2202, 3303, 441, 553) vary in application and demand?
Key differences by grade
| Grade | Silicon Purity | Main Applications | Demand Characteristics |
|---|---|---|---|
| 421 | High purity | Specialty alloys, high-end aluminum alloys | Strong, quality-sensitive |
| 2202 | Ultra-high purity | Chemical silicon, polysilicon feedstock | Highly niche, volatile demand |
| 3303 | Medium-high purity | Aluminum alloy production, electronics | Stable industrial demand |
| 441 | Standard industrial grade | Aluminum casting, general metallurgy | Large volume, stable |
| 553 | Basic grade | Foundry, basic chemical use | Cost-driven, highest volume |
3. Why is the Chinese metallurgical silicon export market showing price stability in late May 2026?
Price stability is mainly driven by market equilibrium conditions:
Seasonal demand entering a flat phase (post-infrastructure peak)
No significant new capacity shutdowns or expansions
Export buyers adopting wait-and-see procurement strategy
Limited speculative trading activity in ferroalloy markets
👉 Market is currently in a range-bound consolidation phase.
4. How does downstream demand from aluminum and chemical industries influence silicon metal pricing?
Demand transmission mechanism:
| Industry | Role of Silicon Metal | Impact on Price |
|---|---|---|
| Aluminum alloys | Strengthens hardness & corrosion resistance | Primary demand driver |
| Chemical industry | Produces silanes, silicones | High purity grades affected first |
| Foundry industry | Improves cast iron structure | Stable baseline demand |
👉 When aluminum production increases → silicon demand rises → FOB export prices strengthen.
5. What role does production capacity and energy cost play in silicon metal market stability?
Cost structure impact:
Electricity = 40–60% of total production cost
Silicon smelting is energy-intensive submerged arc furnace process
Capacity utilization determines supply elasticity
Stability conditions:
No power rationing events
Stable hydropower output (Southwest China)
Controlled furnace restart/maintenance cycles
👉 Result: cost base remains unchanged → export prices stabilize.
6. Are global supply chain conditions affecting China's metallurgical silicon export trends?
Yes, but impact is currently moderate and indirect:
Global shipping costs remain stable (no freight shock)
European industrial demand recovery is slow
Southeast Asia maintains steady import demand
No major geopolitical disruption affecting silicon logistics
👉 Net effect: neutral external pressure → stable FOB pricing
7. How do silicon purity levels impact pricing differences between 553 and higher-grade 421 or 3303 products?
Purity vs pricing logic:
| Factor | Low Grade (553) | High Grade (421 / 3303) |
|---|---|---|
| Refining cost | Lower | Higher |
| Energy consumption | Lower | Higher |
| Impurity control | Loose | Strict |
| Price level | Lowest | Premium |
| Market use | Basic metallurgy | High-end alloys / electronics |
👉 Higher purity = higher energy + tighter refining → stronger price premium.
8. What should international buyers consider when sourcing metallurgical silicon under FOB China terms in 2026?
Key procurement checklist:
| Factor | Explanation |
|---|---|
| Grade confirmation | Ensure correct Si content (421/441/553 etc.) |
| FOB port terms | Huangpu, Tianjin, Qingdao differences in logistics |
| Moisture & impurity specs | Affects aluminum alloy performance |
| Packaging | Jumbo bags vs bulk shipment |
| Supplier furnace type | Stability of submerged arc furnace production |
| Lead time | Typically 2–4 weeks depending on allocation |
| Market timing | Avoid peak electricity cost season |
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