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Sintering temperature of FAG imported bearings
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Prof. professional analysis: This is because P is once completely dissolved; on the high temperature side, because the solid solubility of the matrix is ​​reduced, the surface of the P liquid phase is attacked. The sintered Cu is sintered at 800 °C. 9Sn-a 0.4P alloy sample; investigated by EPMA; the appearance of a P-rich liquid phase along the grain boundary can be clearly seen. About 650-800 ° C; sintered sintered Cu-9Sn and sintered Cu-9Sn o. The microscopic arrangement of 4P alloy is marked; when the sintering temperature is higher than 700 °C; because of the increase of P; the change of pore structure; the sample of P is increased; the sinterability is very good; the fine pores are not seen; the coarse pores are coarsened. At 750 °C The sinter; the fine pores formed between the dendritic particles of the electrolytic Cu powder are almost completely absent. When sintered at 800 ° C; it can be seen that there are very large pores. Seemingly above; due to the P-rich phase in the grain boundary; sintered body The density increases; most of the pores become isolated pores.
Sintered Cu-9Sn alloy without increasing P; when sintering above 800 °C; as above; FAG imported bearing sintered body scale expansion. Even at 800 ° C sintering; some arrangements also present this appearance; on the photo The large pores seen; thought to be due to the eutectic reaction at 798 °C.
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Hexagonal boxes
are made of heavy galvanized wire / ZnAl (Galfan) coated wire / PVC or PE
coated wires, the mesh shape is hexagonal, with the quality of high corrosion
resistantance, high tensile strength. The gabion boxes are used widely in slope
protection, foundation pit supporting, mountain rock holding, river and dams
scour protection.
1.Material:Galvanized wire, Galfan Coated wire, PVC coated Galvanized Steel wire.
2. Weaving types:
normal twist, reverse twist, double twist.
3.Packaging:compressed and packed with pallets.
4. Feature:
Firm structure,
Flat surface, Great corrosion resistant, Oxidation resistant, Durable, High
intensity.
We follow the major international standard in our manufacturing process.
ASTM 975 Standards:
Style 1 Galvanized wire as per ASTM A 641, class 3 soft temper
Style 2 Same as style 1 with extra coating with PVC.
Style 3 Zn-5Al or Zn-10Al coated wire as per ASTM A 856, also known as Galfan wire.
EN 10223-3 Standard:
Galvanized wire meets EN 10244-2 and old BS 443
Wire tensile strength is between 380N/mm2 and 550N/mm2 as per BS 1052.
Our Tolerance Standard:
On the hexagonal double-twisted wire mesh, size of opening should not exceed +/-5% on the nominal dimension
Hexagonal Mesh Gabion Regular Sizes
|
Parameter |
Finish Type |
|
|
Galvanized |
PVC Coated |
|
|
Mesh |
60x80mm,80x100mm & 100x120mm |
60x80mm,80x100mm & 100x120mm |
|
Mesh Wire |
2.4/2.7/3.0mm |
2.4/2.7/3.0mm |
|
Selvage Wire |
3.0/3.4/3.8mm |
3.0/3.4/3.8mm |
|
Binding Wire |
2.2mm |
2.2mm |
Hexagonal Mesh Gabion Box,Extra-Safe Storm & Flood Barrier,Woven Gabion Baskets,Gabion Basket Mattress
Anping Enzar Metal Products Co.,Ltd. , http://www.enzarmetal.com