UF-A Ultrafine Iron Powder

UF-A is an ultrafine iron powder grade mainly used for diamond tools, cutting segments and related bonding applications. It offers fine particle size, stable chemistry, high sintering activity and reliable bonding performance.

Product Overview

UF-A is an ultrafine iron powder grade designed for diamond tools, cutting segments and related bonding applications. It offers fine particle size distribution, stable chemical composition, high sintering activity and good bonding performance.

It can be reviewed as an alternative to carbonyl iron powder in applications requiring high strength, high hardness and improved tool wear resistance.

Technical Data Sheet

UF-A Typical Technical Data

Typical reference values for chemical analysis, physical properties and sintering physical properties. Full TDS and COA can be provided upon request.

Product Type UF-A Ultrafine Iron Powder
D50 Particle Size 4.8–5.5 μm
Best Sintering Range 700–800
Max. Bending Strength 932 MPa
01

Chemical Analysis

Main chemical composition and impurity control.

Test Name Unit Typical Value / Specification
Fe (Iron) wt% ≥98.8
O (Oxygen) wt% ≤0.60
C (Carbon) wt% ≤0.03
N (Nitrogen) wt% ≤0.01
02

Physical Properties

Typical particle size distribution and density properties.

Test Name Unit Typical Value
Particle Size Distribution D10 μm 2.3–3.1
Particle Size Distribution D50 μm 4.8–5.5
Particle Size Distribution D90 μm 8.0–10.0
Apparent Density g/cm³ 1.2–1.6
Tap Density g/cm³ 2.3–3.2
03

Sintering Physical Properties

Typical sintering performance under different sintering temperatures.

Sintering Temp Density Hardness Bending Strength
650 ℃ 87.86 % 67.7 HRB 477.3 MPa
700 ℃ 93.99 % 80.9 HRB 700.0 MPa
750 ℃ 97.29 % 85.8 HRB 866.7 MPa
800 ℃ 98.02 % 84.4 HRB 824.3 MPa
850 ℃ 97.20 % 73.6 HRB 745.2 MPa
Note: The best sintering range is 700–800℃. The minimum recommended temperature in use is 700℃. The maximum hardness is 89 HRB, and the maximum bending strength is 932 MPa. The above data is for general reference only. Actual values may vary by production batch. Detailed TDS and COA are available according to customer requirements.

Need UF-A Ultrafine Iron Powder?

Send us your diamond tool application, bonding formulation, target particle size, current supplier grade or required quantity. Our team will review your requirements and provide suitable technical support, sample options and quotation.

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