OEM Supply Seamless Niobium Pipe - Chine tungstène bâton de gros.Usine de vente directe de barres de tungstène, 99,95% pure barre de tungstène. – Forged Tungsten
OEM Supply Seamless Niobium Pipe - Chine tungstène bâton de gros.Usine de vente directe de barres de tungstène, 99,95% pure barre de tungstène. – Forged Tungsten Detail:
We’ve been convinced that with joint efforts, the enterprise between us will bring us mutual benefits. We could guarantee you item excellent and aggressive price tag for Chine tungstène bâton de gros.Usine de vente directe de barres de tungstène, 99,95% pure barre de tungstène., Our goal is always to enable clients comprehend their plans. We have been creating good endeavours to accomplish this win-win scenario and sincerely welcome you to join us.
We’ve been convinced that with joint efforts, the enterprise between us will bring us mutual benefits. We could guarantee you item excellent and aggressive price tag for 95% pure barre de tungstène., 99, Chine tungstène bâton de gros.Usine de vente directe de barres de tungstène, We care about every steps of our services, from factory selection, product development & design, price negotiation, inspection, shipping to aftermarket. We have now implemented a strict and complete quality control system, which ensures that each product can meet quality requirements of customers. Besides, all of our solutions have been strictly inspected before shipment. Your Success, Our Glory: Our aim is to help customers realize their goals. We’re making great efforts to achieve this win-win situation and sincerely welcome you to join us.
Chemical composition:
| Main and minor components | Min.content(%) | ASTM B760 |
| W | 99.95 | 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 | 100 | - |
| C | 30 | 100 |
| H | 5 | - |
| N | 5 | 100 |
| O | 20 | 100 |
| Cd | 5 | - |
| Hg | 1 | - |
| Pb | 5 | - |
Diameter and tolerances:
| Diameter (mm) | Tolerance | |||
| Straightened | Forged | Turned | 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 | - |
Length and straightness:
| Diameter (mm) | Production length (mm) | Stiraightness/Meter (mm) | |
| Cleaned | 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 |
Length tolerance:
| Diameter 0.50-30.0 mm | ||||||
| Nominal length (mm) | ≥15 | 15-120 | 120-400 | 400-1000 | 1000-2000 | ＞2000 |
| Length tolerance(mm) | ±0.2 | ±0.3 | ±0.5 | ±2.0 | ±3.0 | ±4.0 |
| Diameter ＞30.0 mm | ||||||
| Nominal length (mm) | ≥30 | 30-120 | 120-400 | 400-1000 | 1000-2000 | ＞2000 |
| Length tolerance(mm) | ±0.5 | ±0.8 | ±1.2 | ±4.0 | ±6.0 | ±8.0 |
Density: ≥19.1g/cm³
Nondestructive testing: For diameters＞15.00 mm:100% ultrasonic testing. For diameters of 0.50-50.0mm:Eddy curent tests on rods with ground surface.
| Diameter(mm) | Hardness (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:
| Diameter (mm) | Surface condition |
| 0.50-90.0 | Chemical cleaned |
| ≥40.0 | Turned Ra ≤3.2μm |
| 0.50-30 | Centerless ground Ra≤1.0μm |
| ≥40.0 | - Centerless ground Ra≤1.2μm |
Product detail pictures:
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We enjoy a very good reputation among our customers for our excellent product quality, competitive price and the best service for OEM Supply Seamless Niobium Pipe - Chine tungstène bâton de gros.Usine de vente directe de barres de tungstène, 99,95% pure barre de tungstène. – Forged Tungsten , The product will supply to all over the world, such as: Namibia , Armenia , Tanzania , In the new century, we promote our enterprise spirit "United, diligent, high efficiency, innovation", and stick to our policy"basing on quality, be enterprising, striking for first class brand". We would take this golden opportunity to create bright future.
By Esther
from Accra
- 2017.03.28 16:34
It's really lucky to find such a professional and responsible manufacturer, the product quality is good and delivery is timely, very nice.
By Emma
from Switzerland
- 2018.05.15 10:52
