Silicon Metal 10-100mm

 

Silicon Metal, also known as crystalline silicon or industrial silicon, is an alloy with silicon as the main element, and all other components are strictly restricted as impurities. It belongs to the silicon-based ferroalloys.

 

 

Grade 牌号	Si (%) ≥	Fe (%) ≤	Al (%) ≤	Ca (%) ≤	P (ppm) ≤
97​	97.0	1.5	0.5	0.7	-
98​	98.0	1.2	0.6	0.2	-
553​	98.5-98.7	0.5	0.5	0.3	-
551​	98.9	0.5	0.5	0.1	-
441​	99.0-99.1	0.4	0.4	0.1	-
411​	99.0-99.4	0.4	0.1	0.1	≤50
421​	99.0-99.3	0.4	0.2	0.1	-
3303​	99.0-99.37	0.3	0.3	0.03	≤50
2502​	99.48	0.25	0.25	0.02	≤40
2202​	99.0-99.58	0.2	0.2	0.02	≤40
1501​	99.69	0.15	0.15	0.01	≤40
1101​	99.79	0.1	0.1	0.01	≤40

 

 

 

1.Full Grade Coverage​ - From Si 97% (97) to Si 99.79% (1101), one supplier, one logistics channel, simplified procurement.

2.Optimal Dissolution Profile​ - Mix of large (50-100mm) and small (10-30mm) pieces balances rapid sinking and fast dissolution, minimizing melting time and energy use.

3.Stable Composition, Batch After Batch​ - Si fluctuation controlled within ±0.3% (±1% for 97 grade); MTC documented for every shipment.

 

 

 

 

 

Monthly Capacity:​ 3000-5000+ MT Silicon Metal (all grades, 10-100mm lump format)

Production:​ Submerged arc furnace smelting + multi-stage crushing & screening lines; 5 × 12500 KVA silicon furnaces, 50,000 MT annual capacity

QC Lab:​ In-house spectrometer, XRF, carbon-sulfur analyzer - real-time Si/Fe/Al/Ca/P monitoring

Grades in Stock:​ 97, 98, 553, 551, 441, 411, 421, 3303, 2502, 2202, 1501, 1101 - full grade coverage

Export Experience:​ 10+ years, serving clients in SEA, Middle East, Africa, Europe, South America, North America

Global Footprint:​ Exported to 20+ countries; long-term contracts with major steel mills and smelters in East and South Asia

Quality System:​ Full ISO 9001 compliance; pre-production sample approval + final inspection before shipment

Certifications:​ ISO 9001, SGS Testing Report, CNAS, CCC

 

    

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