Process Tantalum Standard Parts Tantalum Bolts Screws Nuts
Process Tantalum Standard Parts Tantalum Bolts Screws Nuts
1. Specifications Of Tantalum Standard Parts Ta Bolts Screws Nuts:
Tantalum has a series of excellent properties such as high melting point, low vapor pressure, good cold working performance, high chemical stability, strong resistance to liquid metal corrosion, and large dielectric constant of the surface oxide film. Therefore, tantalum has important applications in high-tech fields such as electronics, metallurgy, steel, chemical industry, cemented carbide, atomic energy, superconducting technology, automotive electronics, aerospace, medical health and scientific research.
Tantalum bolts screws nuts gasket
Purity:99.95%(min),99.99%
Density: 16.6g/cm3
Size: M2,M2.5,M3,M4,M5,M12,M14 etc. Or custom as per customer's drawing.
| Item No. | DIN-Stabdard | Desciption in English | ISO-Standard | GB-Standard |
| 1 | DIN 1 | Taper pins | ISO2339 | GB117 |
| 2 | DIN7 | Parallel pins | ISO2339 | GB119-86 |
| 3 | DIN84 | Slotted cheese head screw | ISO1207 | GB65-85 |
| 4 | DIN125-A | Plain washers | ISO7089 | GB97.1-85 |
| 5 | DIN125-B | Medium washers | ISO7090 | GB97.2-85 |
| 6 | DIN126 | Plain washers | ISO7091 | |
| 7 | DIN558 | Hexagon screws | ISO4018 | |
| 8 | DIN601 | Hexagon blots | ISO4016 | |
| 9 | DIN923 | Slotted pan head screw with shoulder | GB830-88 | |
| 10 | DIN931 | Hexagon head screws | ISO4014 | GB5782-86 |
| 11 | DIN933 | Hexagon head screws | ISO4017 | GB5783-86 |
| 12 | DIN934 | Hexagon full nuts | ISO4032 | GB6170-86 |
| 13 | DIN935 | Hexagon slotted and castle nuts | ISO7035 | GB6178-86 |
| 14 | DIN7972 | Countersunk flat head tapping screws with slot | ISO1482 | GB5283-85 |
| Etc. | ||||
2.Characteristics of Tantalum Bolts,Screws,Nuts,Gasket:
1). high melting point, high strength,
2). outstanding thermal conductivity,
3). excellent resistance to oxidation at high temperatures,
4). excellent resistance to electrochemical corrosion
3. Chemical composition of Tantalum Bolts,Screws,Nuts,Gasket:
| Grade | Main elements | Impurity content less than % | |||||||||||
| Ta | Nb | Fe | Si | Ni | W | Mo | Ti | Nb | O | C | H | N | |
| Ta1 | Remain | —— | 0.005 | 0.005 | 0.002 | 0.01 | 0.01 | 0.002 | 0.04 | 0.02 | 0.01 | 0.0015 | 0.01 |
| Ta2 | Remain | —— | 0.03 | 0.02 | 0.005 | 0.04 | 0.03 | 0.005 | 0.1 | 0.03 | 0.01 | 0.0015 | 0.01 |
| TaNb3 | Remain | ＜3.5 | 0.03 | 0.03 | 0.005 | 0.04 | 0.03 | 0.005 | —— | 0.03 | 0.01 | 0.0015 | 0.01 |
| TaNb20 | Remain | 17.0～23.0 | 0.03 | 0.03 | 0.005 | 0.04 | 0.03 | 0.005 | —— | 0.03 | 0.01 | 0.0015 | 0.01 |
| Ta2.5W | Remain | 0.005 | 0.005 | 0.002 | 3 | 0.01 | 0.002 | 0.04 | 0.02 | 0.01 | 0.0015 | 0.01 | |
| Ta10W | Remain | 0.005 | 0.005 | 0.002 | 11 | 0.01 | 0.002 | 0.04 | 0.02 | 0.01 | 0.0015 | 0.01 | |
4. Application of Tantalum Bolts,Screws,Nuts,Gasket:
High temperature vacuum furnace,link parts on machine.
We can also make the various screw and nut according to the customer’s require,also can make square and fabricated parts.
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