Reduced Iron Powder

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What’s reduced iron powder?

Reduced iron powder contains more than 98% iron. First, sponge iron is made from mill scale or iron ore concentrate by reducing agent, then reduced through crushing and magnetic separation, and finally through crushing, magnetic separation, screening and mixing to be made into powder.

Yanshan Precision Machinery co., Ltd has an annual production capacity of 30,000 tons of reduced iron powder with various particle size, such as 40 mesh, 80 mesh, 100 mesh, 200 mesh, 300 mesh and 400 mesh.

Application of reduced iron powder

The reduced iron powder produced by Yanshan Precision Machinery co., Ltd could be used in the field of powder metallurgy parts. At the same time, to meet the needs of different industries, we produce different reduced iron powder to guarantee the most suitable powder for each part and process.

Powder metallurgical parts casted by reduced iron powder

Welding: improve the welding performance and welding quality by adding reduced iron powder into coating or flux core.

Chemical and metallurgical industries: plastic production, fortifier in metal production, etc.

Friction material: as key components of semi-metal brake sleeve to improve the reliability and durability of the product.

Performance test and application of reduced iron powder1. Iron powder for powder metallurgy and others

Iron powder type	Performance	Application
FHY80.23	Sponge type surface, irregular shape, good molding performance	Oil impregnated bushings, low density and thin-wall parts.
FHY80.25	Irregular shape, high apparent density, high compressibility and high fluidity.	Medium density auto parts, motorcycle parts.
FHY100.25	Sponge type surface, irregular shape, good molding performance and high compressibility	Medium and low density mechanical parts.
FHY100.27	Sponge type surface, irregular shape, good molding performance.	High density mechanical parts.
FHY100.29	Regular shape, good molding performance, high purity, high compressibility and high electromagnetic performance.	Place atomized iron powder

2. Iron powder for welding electrode

Iron powder type	Performance	Application
H40.29	Moderate particle size and irregular shape can improve welding process performance and welding deposition efficiency.	Alkaline and acidic welding electrode.
H40.37	Larger particle size and compact spherical shape can improve welding deposition efficiency.	High performance welding electrode.

Technical parametersTable 1. Chemical composition

Chemical composition, %
Total iron content	Impurity, %
Total iron content	Mn	Si	C	S	P	Hydrochloric acid insoluble	hydrogen loss
≥98.0	≤0.45	≤0.15	≤0.07	≤0.030	≤0.030	≤0.40	≤0.25

Table 2. Apparent density, fluidity, compressibility

Specification	Apparent density g/cm³	Fluidity s/50g	Compressibility g/cm³
40	2.30～3.00
60	240～3.00
80.230	2.20～2.45	≤35	≥6.60
80.255	2.45～2.65	≤35	≥6.55
100.230	2.00～2.30	≤45	≥6.55
100.255	2.45～2.65	≤35	≥6.60
100.290	2.80～3.00	≤30	≥6.75
200	2.30～2.80
300	0.80～2.50
400	0.80～1.20