high quality superconducting niobium ring
Product Name | high quality superconducting niobium ring |
Material | Pure niobium |
Grade | RO4200.RO4210,R04251,R04261 |
Standard | ASTM B392 |
Surface | Polished |
Characteristic | Melting point : 2468℃ / Boiling point : 4744℃ |
Density | 8.6 g/cm3 |
Product Features | Excellent Corrosion Resistance , Good resistance to effect of heat |
TABLE 1. Chemical Requirements:
Content, Max, Weight % | ||||
Element | Grand: R04200 | Grand:R04210 | Grand:R04251 | Grand:R04261 |
Unalloyed Niobium | Unalloyed Niobium | (Reactor grade niobium-1% Zirconium) | (Commercial grade niobium-1% Zirconium) | |
C | 0.01 | 0.01 | 0.01 | 0.01 |
O | 0.015 | 0.025 | 0.015 | 0.025 |
N | 0.01 | 0.01 | 0.01 | 0.01 |
H | 0.0015 | 0.0015 | 0.0015 | 0.0015 |
Fe | 0.005 | 0.01 | 0.005 | 0.01 |
Mo | 0.01 | 0.02 | 0.01 | 0.05 |
Ta | 0.1 | 0.3 | 0.1 | 0.5 |
Ni | 0.005 | 0.005 | 0.005 | 0.005 |
Si | 0.005 | 0.005 | 0.005 | 0.005 |
Ti | 0.02 | 0.03 | 0.02 | 0.03 |
W | 0.03 | 0.05 | 0.03 | 0.05 |
Zr | 0.02 | 0.02 | 0.8~1.2 | 0.8~1.2 |
Nb | Remainder | Remainder | Remainder | Remainder |
TABLE 2.Mechanical Requirements:
| Grade(UNS) | Annealed | ||
| Tensile strength min, psi (MPa) | Yield strength min,psi (MPa)(2%) | Elongation min, % (1 inch gage length) | |
| R04200, R04210 | 18000 (125) | 10500 (73) | 15~20 |
| R04251, R04261 | 28000 (195) | 18000 (125) | 15~20 |
| R04220(RRR grade) | 14000 (95) | 7200 (50) | 30 |
Packaging details:
1. Packing with moisture-proof paper;
2. Packing with Kraft paper;
3. Packing with foam plastics in all sides;
4. Packing products in standard wooden cases.
Shipping terms :
We could offer shipping by sea ,and shipping by air ,such as Fedex, UPS, TNT, DHL etc.
Many express companies cooperated with our company for many years , They will provide the lowest freight .
And we will compare the offer and choose the best one for you
Q1 : Do you offer the free sample? A1 : Yes,Our company can offer free sample but we wish our customer to pay the freight. When you put us the batch order,we will return the sample freight to you. |
Q2 : What is the MOQ of your product? A2: Our MOQ is 1KG . If in stock ,all we can communicate in advance. |
Q3 : What is your Payment Terms? A3 : Our company payment terms is by T/T,L/C,Paypal,Western Union. All will be talked with you before your order. |
Q4 : What is quality of your product ? A4 : Quality is our culture. You needn’t worry about the quality.If the product we supplied for you has problems in quality. We will deal with the problems at the first time and give you a satisfied result. |
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