Product Description
1.metal sand features:
Metal sand is the use of special technology to produce stainless steel powder, using its own shape, physical properties, chemical properties developed with high filtering effect and heat transfer effect of the filter, is essential for the production of a fine denier kinds of fine filter material, whether under pressure or the ability to capture foreign bodies are superior to other filter materials.Its characteristics are: 1, irregular shaped and pressure more and more pore structure, so that the components can be reduced to a minimum, the discharge amount of the melt increases, there is a greater capacity to capture the melting body of impurities, thus extending the life of components;2, the sand having a sharp metal edges and propolis, can easily capture the impurities and to maintain a high filtering effect in the melt, but also for the melt to generate break agglomerated particles, which had a significant effect to improve the spinning ;3, metal sand quality stainless steel raw materials, has a high compressive strength, melt pressure when the state does not occur at the highest jump bad, does not form a fine powder breakdown filter clogging of orifices.Therefore, the use of metal components of sand under high pressure conditions even possible to have a very long life. Due to the combined effect of these features can improve the assembly from the largely spinning conditions, improve product quality and production efficiency. .
2.the chemical composition:
Ingredient |
Item |
Chemical(%) |
C |
Si |
Mo |
Cr |
Ni |
Fe |
Mn |
MW001 |
0.1-0.2 |
1.5-3 |
1-3 |
17-22 |
4-13 |
... |
0.4-0.7 |
3.the appearance of the test:
1. The packaging must be moisture-proof container;
2. Clean sand no rust, no soot particles;
3. loose sand, not wet, do not harden;
The sand under the microscope uniform size;
5. clean and free of sand and other impurities, inspection method: grasping a metal sand, then down and see ,No dust stick to your hands.
Four, do mesh standard sieve test: the sand has been poured into the corresponding stacking good automatic sieve uppermost sieve, the sieve is automatically working time of 10 minutes, transferred to a frequency specified location, working time to be automatic sieve each screen will automatically shut down in the sand, respectively, electronic weighing scales, write down the weight readings, inspection control corresponding data in the following table, beyond the standard range of the genus substandard sand, can be returned to the manufacturers
Standard |
MICRON |
MESH |
The bulk density |
G/CM2. |
1651-833 |
10~20 |
1.2-1.5 |
833-350 |
20~40 |
1.6-2.0 |
350-245 |
40~60 |
1.65-2.3 |
245-198 |
60~80 |
1.7-2.6 |
198-165 |
80~100 |
1.8-3.2 |
1. The standard test sieve: Ministry of Aerospace Industry fifth four zero factory screen. Take each sieve-like sand for 500g.
2. Sampling: amount of a bulk density of M = 1dm3 standard weight (natural pour).
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