We support our purchasers with ideal premium quality products and substantial level company. Becoming the specialist manufacturer in this sector, we’ve acquired rich practical working experience in producing and managing for OEM Manufacturer Density Hot Sale Cuw Product 80/20 Tungsten Copper Alloy Tube, We’re keeping durable business associations with much more than 200 wholesalers during the USA, the UK, Germany and Canada. Should you be interested in almost any of our items, you should truly feel no cost to get in touch with us.
We support our purchasers with ideal premium quality products and substantial level company. Becoming the specialist manufacturer in this sector, we’ve acquired rich practical working experience in producing and managing for Tungsten Copper Alloy, Tungsten Copper Alloy Tube, Tungsten Copper Tube, We focus on providing service for our clients as a key element in strengthening our long-term relationships. Our continual availability of high grade solutions in combination with our excellent pre-sale and after-sales service ensures strong competitiveness in an increasingly globalized market.
Chemical composition:
| Main and minor components | Min.content(%) | ASTM B760 |
| W | 99.95 | balance |
| 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 |
| O | 20 | 100 |
| Cd | 5 | - |
| Hg | 1 | - |
| Pb | 5 | - |
Diameter and tolerances:
| Diameter (mm) | Tolerance | |||
| Straightened | Forged | Turned | Ground | |
| 0.50-0.99 | - | - | ±0.007 | |
| 1.00-1.99 | - | - | ±0.010 | |
| 2.00-2.99 | ±2.0 % | - | ±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 |
| 40.0-49.9 | - | ±0.40 | ±0.30 | ±0.20 |
| 50.0-90.0 | - | ±1.00 | ±0.40 | - |
Length and straightness:
| Diameter (mm) | Production length (mm) | Stiraightness/Meter (mm) | |
| Cleaned | Ground/turned | ||
| 0.50-10.0 | ≥500 | ＜2.5 | ＜2.5 |
| 10.1-50.0 | ≥300 | ＜2.0 | ＜1.5 |
| 50.1-90.0 | ≥100 | ＜2.0 | ＜1.5 |
Length tolerance:
| Diameter 0.50-30.0 mm | ||||||
| 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 | ||||||
| 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: ≥19.1g/cm³
Nondestructive testing: For diameters＞15.00 mm:100% ultrasonic testing. For diameters of 0.50-50.0mm:Eddy curent tests on rods with ground surface.
| Diameter(mm) | Hardness (HV 10) |
| 0.50-2.99 | — |
| 3.00-9.99 | 420-500 |
| 10.0-29.9 | 420-480 |
| 30.0-49.9 | 380-460 |
| ≥50 | ＞350 |
Surface condition:
| Diameter (mm) | Surface condition |
| 0.50-90.0 | Chemical cleaned |
| ≥40.0 | Turned Ra ≤3.2μm |
| 0.50-30 | Centerless ground Ra≤1.0μm |
| ≥40.0 | - Centerless ground Ra≤1.2μm |