Premium SiMn 6818 High-Performance Grade
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Premium SiMn 6818 High-Performance Grade

SiMn 6818 (Mn≥68%, Si≥18%) is a high-performance grade delivering superior deoxidation, cleaner steel and enhanced mechanical properties for demanding applications.
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Product Introduction

Products Description

 

Premium SiMn 6818​ (GB/T 4008 grade FeMn68Si18) is a high-performance silicomanganese alloy with Mn 65.0–72.0% and Si 17.0–20.0%, carbon controlled at ≤1.8%, phosphorus ≤0.25%, and sulfur ≤0.04% .

 

Chemical Composition

 

Element FeMn68Si18 Specification
Mn 65-72%
Si 17-20%
C ≤1.8%
P ≤0.25%
S ≤0.04%
Fe Balance

 

Standard particle sizes: 10–50 mm, 10–100 mm, 20–150 mm, or customized cuts.

 

Products Advantage

 

Mn7

1.Highest Mn/Si Ratio in Class: At Mn≥65% / Si≥17%, 6818 provides more manganese per ton than 6517 or 6014 - ideal for high-manganese steel grades (e.g., Hadfield steel, 200-series stainless).

2.Lower Carbon for Cleaner Steel: C≤1.8% minimizes carbon pickup in low-carbon and IF steel routes, meeting stricter impurity specs.

 

Packaging,Shipping & Certification

 

1.1MT FIBC with PE + Alu-Foil Liner​ - dual-layer moisture barrier for high-humidity ocean voyages (South America, Southeast Asia).

2.Ports of Loading : FOB Tianjin Port, Qingdao Port, or Shanghai Port, China

3.Lead Time : [10–20 days] after receiving L/C or T/T advance

4.Trade Terms : FOB, CFR, CIF, DAP, DDP (per Incoterms 2020)

5.Payment : T/T 30% deposit + 70% against B/L copy

 

Company Strength

 

Anyang Mingrui Silicon Industry Co., Ltd.​ - a comprehensive ferroalloy enterprise integrating R&D, production, and sales.

 

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