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Introduction:
1. Ferro Manganese is an alloy of Iron and manganese, with manganese between 65.0%~90.0%, as deoxidizer and alloying element additive. Divided into furnace ferromanganese and blast furnace ferromanganese.
2. Main categories: high carbon ferromanganese (carbon 7%), medium carbon ferromanganese
(carbon 1.0~1.5%), low carbon ferromanganese (0.5% carbon), metal manganese, Spiegel, Silicon-manganese alloy.
3. International general standard for carbon ferromanganese containing mananese with 75 ~ 80%. To adapt to
theconditions of low grade raw ore, China provides manganese lower grades (furnace ferromanganese
manganese containing more than 65%, blast furnace ferromanganese manganese containing more than 50%).
Ferro Manganese Specification
Type | Brand | Chemical Compositions (%) | ||||||
Mn | C | Si | P | S | ||||
1 | 2 | 1 | 2 | |||||
≤ | ||||||||
Low-carbon ferromanganese | FeMn88C0.2 | 85.0-92.0 | 0.2 | 1.0 | 2.0 | 0.10 | 0.30 | 0.02 |
FeMn84C0.4 | 80.0-87.0 | 0.4 | 1.0 | 2.0 | 0.15 | 0.30 | 0.02 | |
FeMn84C0.7 | 80.0-87.0 | 0.7 | 1.0 | 2.0 | 0.20 | 0.30 | 0.02 | |
Medium-carbon ferromanganese | FeMn82C1.0 | 78.0-85.0 | 1.0 | 1.5 | 2.5 | 0.20 | 0.35 | 0.03 |
FeMn82C1.5 | 78.0-85.0 | 1.5 | 1.5 | 2.5 | 0.20 | 0.35 | 0.03 | |
FeMn78C2.0 | 75.0-82.0 | 2.0 | 1.5 | 2.5 | 0.20 | 0.40 | 0.03 | |
High-carbon ferromanganese | FeMn78C8.0 | 70.0-82.0 | 8.0 | 1.5 | 2.5 | 0.20 | 0.33 | 0.03 |
FeMn74C7.5 | 70.0-77.0 | 7.5 | 2.0 | 3.0 | 0.25 | 0.38 | 0.03 | |
FeMn68C7.0 | 65.0-72.0 | 7.0 | 2.5 | 4.5 | 0.25 | 0.40 | 0.03 | |
Application
1. Mainly used as alloy additives and deoxidizer in steelmaking.
2. Used as alloy agent ,widely applied to be widely applied to alloy steel, such as structural steel, tool steel, stainless and heat-resistant steel and abrasion-resistant steel.
3. It also has the performance that it can desulfurize and decrease the harmfulness of sulfur. So when we make steel and cast iron, we always need certain account of manganese.
