How to avoid the appearance of white fracture blue on niobium rods?
To avoid the appearance of white fracture blue on niobium rods, the following points should be noted:
1. Control the high temperature environment. When using niobium rods, it is necessary to control the temperature of the environment and try to avoid the niobium rods from being in a high temperature and high pressure environment for a long time.
2. Take protective measures. When using niobium rods, some antioxidants can be added to reduce the impact of oxidation reactions on niobium rods.
3. Check niobium rods regularly. When using niobium rods, it is necessary to regularly check the surface state, shape and color changes of niobium rods. Once abnormal conditions are found, the niobium rods should be replaced in time.
Basic parameters of niobium rods
| Recrystallization | 95%min |
| Grain size | ASTM 4 or finer |
| Surface finish | 16Rms max. or Ra 0.4 ( RMS64 or better) |
| Flatness | 0.1mm or 0.15% max |
| Tolerance | +/-0.010" on all dimensions |
Introduction to the packaging and transportation of our metal products
We provide the material composition table and inspection report of the products.
First, pack with moisture-proof paper.
Second, pack with kraft paper.
Third, pack with foam plastic around the plywood box.
Finally, pack the product into the plywood box.
FAQ ABOUT US
Q: How to control and guarantee your shipment quality?
A: 1) All our factories are ISO9001, CE certified facility;
2) Ex factory inspection by our own laboratory.
3) SGS/BV Third party inspection before delivery.
Q: How about the MOQ? If my first order qty is small, will you accept?
A: We would like to do our best to support your trial order qty, so even 1 pc or 1 kg is ok to start cooperation; because we have confidence to move on second order with your esteemed company.
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