Tungsten Rod
Kemikari yakagadzirwa:
| Zvikamu zvikuru uye zviduku | Min.content(%) | ASTM B760 |
| W | 99.95 | balance |
| Kusachena | 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 uye kushivirira:
| Dhayamita (mm) | Kushivirira | |||
| Yakatwasuka | Forged | Akatendeuka | 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 | - |
Hurefu uye kutwasuka:
| Dhayamita (mm) | Urefu hwekugadzira (mm) | Kusimba/Meta (mm) | |
| Kucheneswa | 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 |
Kureba kushivirira:
| Diameter 0.50-30.0 mm | ||||||
| Urefu hwezita (mm) | ≥15 | 15-120 | 120-400 | 400-1000 | 1000-2000 | ＞2000 |
| Kureba kushivirira(mm) | ±0.2 | ±0.3 | ±0.5 | ±2.0 | ±3.0 | ±4.0 |
| Diameter ＞30.0 mm | ||||||
| Urefu hwezita (mm) | ≥30 | 30-120 | 120-400 | 400-1000 | 1000-2000 | ＞2000 |
| Kureba kushivirira(mm) | ±0.5 | ±0.8 | ±1.2 | ±4.0 | ±6.0 | ±8.0 |
Density: ≥19.1g/cm³
Nondestructive bvunzo: Yemadhayamita＞15.00 mm:100% ultrasonic bvunzo. Zvemadhayamita e0.50-50.0mm:Eddy curent bvunzo pamatanda ane pasi pevhu.
| Dhayamita(mm) | Kuoma (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:
| Dhayamita (mm) | Surface condition |
| 0.50-90.0 | Kemikari yakacheneswa |
| ≥40.0 | Yakashandura Ra ≤3.2μm |
| 0.50-30 | Centerless pasi Ra≤1.0μm |
| ≥40.0 | - Centerless pasi Ra≤1.2μm |
Nyora meseji yako pano ugotitumira
