Batang Tungsten
Komposisi kimia:
| Komponen utama dan kecil | kandungan min(%) | ASTM B760 |
| W | 99.95 | imbangan |
| kekotoran | Nilai maks (μg/g) | Nilai maks (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 dan toleransi:
| Diameter (mm) | Toleransi | |||
| Diluruskan | Dipalsukan | berpaling | tanah | |
| 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 | - |
Panjang dan lurus:
| Diameter (mm) | Panjang pengeluaran (mm) | Ketebalan/Meter (mm) | |
| Dibersihkan | Tanah/berpusing | ||
| 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 |
Toleransi panjang:
| Diameter 0.50-30.0 mm | ||||||
| Panjang nominal (mm) | ≥15 | 15-120 | 120-400 | 400-1000 | 1000-2000 | ＞2000 |
| Toleransi panjang (mm) | ±0.2 | ±0.3 | ±0.5 | ±2.0 | ±3.0 | ±4.0 |
| Diameter ＞30.0 mm | ||||||
| Panjang nominal (mm) | ≥30 | 30-120 | 120-400 | 400-1000 | 1000-2000 | ＞2000 |
| Toleransi panjang (mm) | ±0.5 | ±0.8 | ±1.2 | ±4.0 | ±6.0 | ±8.0 |
Ketumpatan: ≥19.1g/cm³
Ujian tidak musnah: Untuk diameter＞15.00 mm: 100% ujian ultrasonik. Untuk diameter 0.50-50.0mm: Ujian arus pusar pada rod dengan permukaan tanah.
| Diameter(mm) | Kekerasan (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 |
Keadaan permukaan:
| Diameter (mm) | Keadaan permukaan |
| 0.50-90.0 | Dibersihkan secara kimia |
| ≥40.0 | Bertukar Ra ≤3.2μm |
| 0.50-30 | Tanah tanpa pusat Ra≤1.0μm |
| ≥40.0 | - Tanah tanpa pusat Ra≤1.2μm |
Tulis mesej anda di sini dan hantarkan kepada kami
