Tantalum plate welding process requirements
Material selection requirements
Tantalum plate material is a common corrosion-resistant material with excellent chemical stability and mechanical properties. It is widely used in aviation, metallurgy, chemical industry and other fields. When selecting tantalum plate materials, the following points should be noted:
1. Tantalum plate materials with high purity and low impurity element content should be selected to ensure welding quality;
2. If the thickness of the tantalum plate material to be welded is large, a lower hardness and yield strength should be selected to avoid deformation or cracking during welding.
Before welding tantalum plates, preheating is required. The preheating temperature should generally be controlled at around 300°C for no less than half an hour to evenly heat the tantalum plate and make the welding quality more stable and reliable.
Mechanical properties of tantalum plates
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Available Sizes for Tantalum Sheet & Plate |
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Thickness |
Maximum Width |
Common Specifications |
Available Alloys |
Available Purities: |
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.001″ |
6″ |
ASTM B708 R05200 |
Tantalum |
Commercial Grade ( ASTM ) |
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.002" to .009" |
12″ |
» Electron Beam Melted (Unalloyed) |
Tantalum 2.5% Tungsten |
3N 99.90% | 3N5 99.95% |
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.010″ to .090″ |
25″ |
ASTM B708 R05400 |
Tantalum 7.5% Tungsten |
4N 99.99% | 4N5 99.995% |
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.100″ and up |
39″ |
» Powder Metallurgy Grade (Unalloyed) |
Tantalum 10% Tungsten |
5N 99.999% |
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ASTM B708 R05252 |
Tantalum 40% Niobium |
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» Tantalum 2.5% Tungsten Alloy |
Furnace Grade Tantalum |
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ASTM B708 R0255 |
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» Tantalum 10% Tungsten Alloy |
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AMS 7849 Rev E |
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» Electron Beam Melted |
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FAQ
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.
Q: What is your payment terms ?
A: Commonly two payment term for new customers: 1) 30% T/T as deposit , 70% balance against B/L copy; 2) 100% Irrevocable L/C at sight;If you need any other terms, pls feel free to contact us too, we will try our best.
Q: How long is your delivery time?
A: Our daily inventory is more than 8000 tons, so for common product size, just need 5 days from stocks; if the special size from new production, delivery 7 days.
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