Plak tengstèn
Konpozisyon chimik:
| Konpozan prensipal ak minè | Min.content (%) | ASTM B760 |
| W | 99.97 | balans |
| Enpurte | 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 | - |
Dimansyon ak tolerans:
Fèy woule frèt
| Epesè (mm) | Tolerans epesè (± mm) | ||
| Width≤200mm | Max.width 510mm | Tolerans lajè (± 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 |
Cho rooled dra
| Epesè (mm) | Tolerans epesè (± mm) | ||
| Width≤510mm | Max.width 1200 (mm) | Tolerans lajè (± 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 |
Tolerans longè: tolerans longè pou tout dimansyon se maksimòm +5/-0 mm.
Flatness: max.4% (mezire pwosedi sou baz ASTM B760)
Dansite: epesè＜10.00mm dansite＞19.2g/cm³
epesè (10.00-20.00mm) dansite ＞ 19.1g/cm³
Vickers dite:
≤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
Aparans: Materyèl la pral nan bon jan kalite inifòm, gratis nan matyè etranje, fann ak ka zo kase.
Dra kabann (pa taye) ka gen ti fant kwen.
Kalite sifas:
Fwad woule ≤ 0.30mm klere
Fwad woule 0.3-0.5 mm marinated
Cho woule ≥0.50 mm marinated
Ekri mesaj ou la a epi voye l ba nou
