Pulvis griseus subtilis carburi tungsteni Cas 12070-12-1
| Carbidum Wolframii | |
| Numerus Cas. | 12070-12-1 |
| Formula chemica | WC |
| Massa molaris | 195.85 g · mol⁻¹ |
| Aspectus | Solidum nigrum-cinereum nitidum |
| Densitas | 15.63 g/cm³ |
| Punctum fusionis | 2785–2830°C (5045–5126°F; 3058–3103°K) |
| Punctum ebullitionis | 6 000°C (10 830°F; 6 270°K) ad 760 mmHg |
| Solubilitas in aqua | Insolubilis |
| Solubilitas | Solubilis in HNO₃, HF. |
| Susceptibilitas magnetica (χ) | 1·10⁻⁵ cm³/mol |
| Conductivitas thermalis | 110 W/(m·K) |
◆ Pulvis Carbidi WolframiiSpecificationes
| Typus | Magnitudo Particulae Mediae (µm) | Contentum Oxygenii (% Max.) | Ferri Contentum (% Max.) |
| 04 | SPONSIO: ≤0.22 | 0.25 | 0.0100 |
| 06 | SPONSIO: ≤0.30 | 0.20 | 0.0100 |
| 08 | SPONSIO: ≤0.40 | 0.18 | 0.0100 |
| 10 | Fsss: 1.01～1.50 | 0.15 | 0.0100 |
| 15 | Fsss: 1.51～2.00 | 0.15 | 0.0100 |
| 20 | Fsss: 2.01～3.00 | 0.12 | 0.0100 |
| 30 | Fsss: 3.01～4.00 | 0.10 | 0.0150 |
| 40 | Fsss: 4.01～5.00 | 0.08 | 0.0150 |
| 50 | Fsss: 5.01～6.00 | 0.08 | 0.0150 |
| 60 | Fsss: 6.01～9.00 | 0.05 | 0.0150 |
| 90 | Horae: 9.01–13.00 | 0.05 | 0.0200 |
| 130 | Horae: XIII.I~XX. | 0.04 | 0.0200 |
| ducenti | Fsss: 20.01～30.00 | 0.04 | 0.0300 |
| trecenti | Fsss: >30.00 | 0.04 | 0.0300 |
◆ Pulvis Carbidi WolframiiTypus
| Typus | UMTC613 | UMTC595 |
| Carbonium Totale (%) | 6.13±0.05 | 5.95±0.05 |
| Carbonium Coniunctum (%) | ≥6.07 | ≥5.07 |
| Carbonium Liberum | ≤0.06 | ≤0.05 |
| Contentum Praecipuum | ≥99.8 | ≥99.8 |
◆Impuritates Componentium ChemicorumPulvis Carbidi Wolframii
| Impuritates | Maximum % | Impuritates | Maximum % |
| Cr | 0.0100 | Na | 0.0015 |
| Co | 0.0100 | Bi | 0.0003 |
| Mo | 0.0030 | Cu | 0.0005 |
| Mg | 0.0010 | Mn | 0.0010 |
| Ca | 0.0015 | Pb | 0.0003 |
| Si | 0.0015 | Sb | 0.0005 |
| Al | 0.0010 | Sn | 0.0003 |
| S | 0.0010 | Ti | 0.0010 |
| P | 0.0010 | V | 0.0010 |
| As | 0.0010 | Ni | 0.0050 |
| K | 0.0015 |
Involucrum: In tympanis ferreis cum duplicibus saccis plasticis interioribus sigillatis, singuli 50kg netti.
Ad quid adhibetur pulvis carburi tungsteni?
Carbura WolframiiAmplam applicationis varietatem habent in multis sectoribus industrialibus, ut in machinatione metallorum, partibus detritionis pro industriis fodinis et olei, instrumentis formationis metallorum, cuspides secantes pro laminis serrarum, et nunc dilatatae sunt ut res consumptorias ut anulos nuptiales et capsas horologiorum, praeter sphaeram quae in multis calamis sphaericis invenitur, comprehendant.
Nuntium tuum hic scribe et nobis mitte.
