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Metal Powders for Diamond Specifications

Author:admin     Date :2012/7/23 12:27:57     Popularity:
1.Matrix Alloy Powder
Superfine pre-alloyed metal bonded powder, its main performance: low oxygen content; powder particle size; low temperature sintering; strong holding force; good wear resistance of the laser welding performance is good; low cost.
Steel Type Nominal Composition(wt%) Apparent Density (g/cm3)
Cu Sn Ni Fe Zn P Al Co
Cu-Sn CuSn10 Bal 10             2.8~4.0
CuSn15 Bal 15             2.8~4.0
CuSn20 Bal 20             2.8~4.0
CuSn10Ni Bal 10 2           2.8~4.0
CuSn10Co Bal 10 2           2.8~4.0
CuSn10Fe Bal 10   2         2.8~4.0
CuSn10Zn10 Bal 10     10       2.8~4.0
CuSn 6-6-3 Bal 6     6     Pb:3 3.0~4.2
CuSn 6-6-0 Bal 6     6       2.8~4.0
Cu-Zn CuZn20 Bal       20       2.5~3.5
CuZn30 Bal       30       2.5~3.5
Cu-P CuP7 Bal         7     2.2~3.5
CuP7Sn7 Bal 7       7     2.2~3.5
Cu-Ni CuNi50 Bal   50           3.0~4.5
CuNi29SiBFe Bal   29 0.8 Si:1.75 B:0.2     2.8~4.0
Fe-P FeP2        Bal   2     3.0~4.0
FeP4       Bal   4     3.0~4.0
Fe-Al FeAl10       Bal      10   1.5~2.5
Fe-Ti FeTi40AL19       Bal Ti:40   19   2.0~3.5
Cu-Mn-Ni CuMn24NiLi Bal Mn:24 5.5 1 Si:0.3 Li:0.2     2.8~4.0
CuNi29MnCo Bal Mn:28.5 29 1.25 Si:1 0.15 B:0.2 5 2.2~3.5

2.Pre-alloy powder
Diamond tools by pre-alloyed powder, used for cold hot diamond tools. And also be used in powder metallurgy, machinery and so on.
Type Composition(wt%) Particle Size
(Mesh)
Sintering Temperature
()
Theoretical Density
(g/cm3)
Remarks
RH-1 Cr5~7 B2.7~3.5
Si4~5Fe2~4 Ni bal.
-200
-300
970 3.0~4.0 Diamond has a strong gripping force, suitable for use as a drill-based binder, additives and the brazing material.
RH-2 Si2~3 B1~2Cu19~21Fe4~6Ni bal. -200
-300
960 3.0~4.3 Boron and silicon is added to make the improved wettability, m.p. drops, suitable for use as binders and additives used.
Si3~5 B2~ 3 C 0.2~0.4 Cr18~20 Fe2~3Ni28~30
Co bal.
-200
-300
980 3.0~4.0 Has a good wettability and high hardness, the hard phase can play a role in skeleton.
RH-4 Si2~4 Mn0.5~1.5
Re0.5~1.0 Cu bal.
-200
-300
920 3.0~4.0 Si, Mn added to improve wettability and improve the performance of the protrusion.
RH-5 Cr4~6 B3~4 Si3~5 Ni28~ 30
C 0.4~0.7Fe bal.
-200
-300
990 2.6~3.6 Good sharpness, high hardness, and can be partial substitution of the WC, suitable for use as additives.
RH-6 Cr4~6 B2~3 Si3~5 Ni2~4 W8~10 Mo2~ 3 C 0.5~0.7
Fe bal.
-200
-300
1050 2.8~4.2 A large number of brittle phase of the sharp high, good wettability, and suitable for use as additives.
RH-7 Cr12~15 B3~4Si3~4.5 Cu2~4 C0.4~0.6 Fe15~17 Ni bal. -200
-300
970 2.8~4.0 The gripping force is high, good wettability, and suitable for use as binders and additives.
RH-8 Sn4~6 Ni3~5 Mn1~2 Re0.5~1.0 Cu bal. -200
-300
930 2.8~4.0 Having better wettability and out blade, suitable for use as the binder.
RH-9 Cr16~18 Ni4~6
P2~3 C 0.5~0.7
Fe bal.
-200
-300
990 2.8~4.0 The P added mitigates Fe graphitization of the diamond, while lowering the melting point, to improve wettability, and additives can improve the sharpness.
RH-10 Ni24~26
Cu21~ 23
C 0.4~0.6
Ti0.5~1.0 Fe bal.
-200
-300
930 3.0~4.2 Diamond outcropping high, strong holding force on the diamond cutting the Granite performance, suitable for all kinds of diamond saw blades.
RH-11 Fe19~21Ni24~26 Sn4~6
Cu bal.
-200
-300
920 3.2~4.5 Diamond outcropping high, close to the wear properties of cobalt-based carcass the diamond holding strong, and applies to more than 500mm blade.
RH-12 Co24~26 Fe24~26
Cu bal.
-200
-300
930 2.8~4.3 The most widely used, the main ingredient in the processing of stone and concrete, mixed with additives to adjust its cutting ability.Diameter greater than 500mm blade can improve its efficiency.
RH-13 Co24~26Fe14~16
Cu bal.
-200
-300
920 2.8~4.3 The blade is extremely fine, high holding force on the diamond, recommended for diameter less than to 500mm diamond blade.
RH-14 Co24~26 Cu2~4
Fe bal.
-200
-300
950 2.5~4.0 Low copper content, specifically designed for laser welding, excellent toughness and impact resistance.
RH-15 Cu19~20Co3.8~4.0
Fe bal.
-200
-300
965 2.8~4.3 Dry cutting and stone polishing performance is excellent, good combination with conventional additives.
RH-16 Co9~11 Fe14~16
Cu bal.
-200
-300
940 3.0~4.5 Strong gripping force of the diamond, the diamond saw blade suitable for cutting hard granite 400mm.
RH-17 Ni3~5 Cr4~6 B3.5~4 Si6~6.5
Fe bal.
-200
-300
890 2.8~4.0 Sharp, wear-resistant diamond gripping force, excellent cutting ability, suitable for cutting hard granite greater than 400mm diamond saw.

3.Diamond catalyst metal powders
Iron base catalyst alloy powder is widely used in synthetic diamond.
Alloy Nominal Composition wt%
Fe Ni Mn Co O S C
FeNi30 BAL 30 0.5 0.3 0.05 0.02 0.1
FeNi25 BAL 25 0.5 0.3 0.05 0.02 0.1
FeNi29Co1 BAL 29 0.5 1 0.05 0.02 0.1
FeNi30Mn1 BAL 30 1 0.3 0.05 0.02 0.1