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How to verify SGS or ISO certification of Silicon Metal?

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How to verify SGS or ISO certification of Silicon Metal?

January 28, 2026
Latest company case about How to verify SGS or ISO certification of Silicon Metal?
Silicon Metal for Steel and Alloy Production | ZhenAn

Grade: 99.9%+
Application: Steelmaking, Alloy Production, Chemical Industry
Form: Granules, Chunks, Customized Sizes


Why High-Purity Silicon Metal Matters for Steel and Alloy Producers

In steel and alloy manufacturing, the quality of raw materials directly impacts product performance, cost efficiency, and compliance with industry standards. Impurities in silicon metal, such as iron, aluminum, or other trace elements, can cause casting defects, reduce corrosion resistance, and compromise mechanical properties in high-strength steels.

For alloy producers and steel mills, sourcing silicon metal with verified high purity is critical to:

  • Achieve consistent melt quality in electric arc furnaces (EAF) or induction furnaces.
  • Minimize slag formation and improve silicon yield.
  • Ensure compliance with national and international quality standards.

ZhenAn Silicon Metal is specifically produced for high-demand industrial applications, with impurity levels strictly controlled to meet your process requirements.


Key Specifications of ZhenAn Silicon Metal
Parameter Typical Value
Silicon Content (Si) 99.9% min
Iron (Fe) ≤0.05%
Aluminum (Al) ≤0.03%
Particle Size 10–50 mm, 50–100 mm, or custom
Moisture Content ≤0.1%
Packaging 1 MT bag, bulk, or as requested

Note: Custom sizing and packaging solutions are available to optimize melting efficiency and reduce furnace energy consumption.


SGS and ISO Certification Verification

ZhenAn Silicon Metal is fully certified under ISO 9001 quality management systems. Additionally, our products can be verified through SGS third-party testing to confirm purity, trace elements, and compliance with international standards.

How to verify our certification:

  1. ISO 9001 Certification: Request the official ISO certificate from ZhenAn and cross-check the registration number on the ISO official database.
  2. SGS Reports: Each batch can be accompanied by an SGS test report. Customers can verify reports directly with SGS using the report number and production batch on the SGS online verification portal.
  3. Third-Party Testing: Buyers are welcome to arrange independent laboratory verification to ensure the product meets process-specific requirements.

Applications in Steel and Alloy Manufacturing

ZhenAn Silicon Metal is ideal for:

  • Electric Arc Furnace (EAF) Steelmaking: Improves molten steel quality and reduces slag formation.
  • Alloy Production: For ferrosilicon and other silicon-based alloys, ensuring uniform chemical composition.
  • High-Performance Steel: Critical for low-alloy and stainless steel where silicon content must be tightly controlled.

Our silicon metal’s controlled particle size and low impurity content help reduce furnace wear, improve energy efficiency, and maintain consistent alloying performance.


Why Choose ZhenAn
  • Industry Expertise: Over 30 years supplying high-purity silicon metal to global steel mills and alloy producers.
  • Traceability: Full batch documentation ensures quality control from production to delivery.
  • Customized Solutions: Particle size, packaging, and chemical specifications tailored to industrial requirements.
  • Verified Quality: ISO 9001 certification and SGS verification give confidence in every shipment.

Ordering & Inquiry:
ZhenAn ensures your silicon metal supply meets exacting industrial standards. Contact our sales team to discuss your batch requirements, size specifications, and delivery schedule.

Contact Details
Zhenan Metallurgy Co., Ltd

Contact Person: Mr. xie

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