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To continually improve the management procedure by virtue in the rule of “sincerely, great religion and good quality are the base of company development”, we commonly absorb the essence of associated products and solutions internationally, and regularly build new solutions to meet the calls for of consumers for Pure Molybdenum Plate, Pure Tungsten Rod/ Sheet /plate/ Wire/pipe Per Kg, Reasonable Tungsten Plate, We’re your reliable partner in international markets with the best quality merchandise. Our advantages are innovation, flexibility and reliability which have been built during the last twenty years. We focus on providing service for our clients as a key element in strengthening our long-term relationships. Our continual availability of high grade items in combination with our excellent pre-sales and after-sales service ensures strong competitiveness in an increasingly globalized market.
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