Our progress depends on the highly developed products ,great talents and repeatedly strengthened technology forces for Hot sale Factory Wolfram Tungsten Sheet/plate Per Kg In, “Making the Products and solutions of Large Quality” may be the everlasting aim of our organization. We make unremitting efforts to recognize the intention of “We Will Always Keep in Pace with all the Time”.
Our progress depends on the highly developed products ,great talents and repeatedly strengthened technology forces for Wolfram Tungsten Sheet/plate, Wolfram Tungsten Sheet/plate Per Kg, We seriously promise that we provide all the customers with the best quality products, the most competitive prices and the most prompt delivery. We hope to win a resplendent future for customers and ourselves.
Chemical composition:
| Main and minor components | Min.content(%) | ASTM B760 |
| W | 99.97 | 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 | 300 | - |
| C | 30 | 100 |
| H | 5 | - |
| N | 5 | 100 |
| O | 20 | 100 |
| Cd | 5 | - |
| Hg | 1 | - |
| Pb | 5 | - |
Dimensions and tolerances:
Cold rolled sheets
| Thickness(mm) | Thickness tolerance(±mm) | ||
| Width≤200mm | Max.width 510mm | Width tolerance(±mm) | |
| 0.025 | 0.003 | ||
| 0.025-0.03 | 0.004 | 0.5 | |
| 0.03-0.04 | 0.005 | 0.5 | |
| 0.04-0.05 | 0.006 | 0.5 | |
| 0.05-0.06 | 0.008 | 0.5 | |
| 0.06-0.08 | 0.010 | 0.5 | |
| 0.08-0.10 | 0.015 | 0.5 | |
| 0.10-0.15 | 0.025 | 0.045 | 0.5 |
| 0.15-0.30 | 0.035 | 0.060 | 1.0 |
| 0.30-0.40 | 0.05 | 0.085 | 1.6 |
| 0.40-0.50 | 0.06 | 0.110 | 1.6 |
Hot rooled sheets
| Thickness(mm) | Thickness tolerance(±mm) | ||
| Width≤510mm | Max.width 1200(mm) | Width tolerance(±mm) | |
| 0.05-0.60 | 0.110 | 1.6 | |
| 0.60-0.80 | 0.140 | 2.0 | |
| 0.08-1.00 | 0.200 | 2.0 | |
| 1.00-2.00 | 0.250 | 2.0 | |
| 2.00-8.00 | 0.300 | 2.0 | |
| 8.0-20.00 | 5% | 5% | 2.0 |
Length tolerance: the length tolerance for all dimensions is maximal +5/-0 mm.
Flatness: max. 4% (measuring procedure on the basis of ASTM B760)
Density: thickness＜10.00mm density＞19.2g/cm³
thicknes（10.00-20.00mm）density＞19.1g/cm³
Vickers hardness:
≤0.10 mm ≥550 HV
0.10-0.05 mm ≥500 HV
0.50-1.50mm ≥470 HV
1.50-10.00mm ≥450 HV
10.00-20.00mm ≥420 HV
Appearance: The material will be of uniform quality, free from foreign matter, splits and fractures.
Bed sheet (not trimmed) may have small edge cracks.
Surface quality:
Cold rolled ≤ 0.30mm bright
Cold rolled 0.3-0.5 mm pickled
Hot rolled ≥0.50 mm pickled