Massive Selection for Tantalum Alloy Bar - OEM Customized Tungsten Darts Tungsten Barrel Blank Bar Per Kg In – Forged Tungsten
Massive Selection for Tantalum Alloy Bar - OEM Customized Tungsten Darts Tungsten Barrel Blank Bar Per Kg In – Forged Tungsten Detail:
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Chemical composition:
| Main and minor components | Min.content(%) | ASTM B760 |
| W | balance | balance |
| La | 0.77-0.94% | |
| La2O3 | 0.90-1.10% | |
| Impurities | Max.values (μg/g) | Max.values (μg/g) |
| Al | 15 | - |
| Cu | 10 | - |
| Cr | 20 | - |
| Fe | 30 | 100 |
| K | 10 | - |
| Ni | 20 | 100 |
| Si | 20 | 100 |
| Mo | 100 | - |
| C | 30 | 100 |
| H | 5 | - |
| N | 5 | 100 |
| Cd | 5 | - |
| Hg | 1 | - |
| Pb | 5 | - |
Diameter and tolerances:
| Diameter (mm) | Tolerance | ||
| Forged | Turned | Ground | |
| 1.20-1.99 | - | ±0.010 | |
| 2.00-2.99 | - | ±0.015 | |
| 3.00-15.9 | - | ±0.020 | |
| 16.0-24.9 | ±0.30 | ±0.030 | |
| 25.0-34.9 | ±0.40 | ±0.050 | |
| 35.0-39.9 | ±0.40 | ±0.30 | ±0.060 |
| 40.0-50.0 | ±0.40 | ±0.30 | ±0.20 |
| 50.0-80.0 | ±1.00 | ±0.40 | - |
Length and straightness:
| Diameter (mm) | Production length (mm) | Stiraightness/Meter (mm) | |
| Cleaned | Ground/turned | ||
| 1.20-10.0 | ≥500 | ＜2.5 | ＜2.5 |
| 10.1-50.0 | ≥300 | ＜2.0 | ＜1.5 |
| 50.1-80.0 | ≥100 | ＜2.0 | ＜1.5 |
Length tolerance:
|
Diameter 1.20-30.0 mm |
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| Nominal length (mm) | ≥15 | 15-120 | 120-400 | 400-1000 | 1000-2000 | ＞2000 |
| Length tolerance(mm) | ±0.2 | ±0.3 | ±0.5 | ±2.0 | ±3.0 | ±4.0 |
|
Diameter ＞30.0 mm |
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| Nominal length (mm) | ≥30 | 30-120 | 120-400 | 400-1000 | 1000-2000 | ＞2000 |
| Length tolerance(mm) | ±0.5 | ±0.8 | ±1.2 | ±4.0 | ±6.0 | ±8.0 |
Density:
| Diameter (mm) | Density (g/cm³) |
| 1.20-6.0 | 18.85 |
| 6.0-40.0 | 18.75 |
| 40.0-80.0 | 18.65 |
Nondestructive testing: For diameters＞15.00 mm: 100% ultrasonic testing. For diameters of 1.2-50.0mm: Eddy curent tests fro ground products visual inspection.
| Diameter(mm) | Hardness(HV 30) |
| 3.0-10.0 | ＞420 |
| 10.0-30.0 | ＞400 |
| 30.0-50.0 | ＞380 |
| ≥50 | ＞350 |
Surface condition:
| Diameter (mm) | Surface condition |
| ≤2.50 | ground Ra≤0.8μm |
| 2.50-30.0 | ground Ra≤1.0μm |
| 30.0-50.0 | ground Ra≤1.2μm |
| ≥50.0 | Turned Ra≤3.2μm |
Product detail pictures:
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We pursue the management tenet of "Quality is remarkable, Company is supreme, Name is first", and will sincerely create and share success with all clientele for Massive Selection for Tantalum Alloy Bar - OEM Customized Tungsten Darts Tungsten Barrel Blank Bar Per Kg In – Forged Tungsten , The product will supply to all over the world, such as: Angola , Spain , New Orleans , We've got won a good reputation among overseas and domestic clients. Adhering to the management tenet of "credit oriented, customer first, high efficiency and mature services", we warmly welcome friends from all walks of life to cooperate with us.
By Alan
from South Africa
- 2018.02.21 12:14
Factory equipment is advanced in the industry and the product is fine workmanship, moreover the price is very cheap, value for money!
By Dinah
from Yemen
- 2018.12.10 19:03
