Silicon Manganese Si17 Mn65 is a premium composite ferroalloy deoxidizer and alloying additive widely used in carbon steel, low alloy steel and stainless steel production, with balanced silicon and manganese content to improve deoxidation efficiency and steel mechanical properties. Available grade: standard Si17Mn65, low phosphorus/low sulfur custom grades for high quality steel production supported. Standard particle size: 10-50mm, 10-100mm, 0-3mm, 3-10mm, custom particle size distribution for different steelmaking processes accepted. Packaging: 1MT moisture-proof jumbo bags with PE inner liners, or 25kg/50kg small bags on fumigated wooden pallets, neutral packaging and OEM labels available. We keep 800MT regular stock of Si17Mn65 all year round to support fast delivery within 10 days, and can adjust chemical composition and particle size according to your steelmaking process requirements.