Niobium Materials
| Standards | ASTM B393, ASTM B394, ASTM B392 |
| Available Grades | 1 grades (1 in stock) |
Available Grades for Niobium Materials
Click a grade to view its chemical composition and mechanical properties inline.
Niobium (Unalloyed)
NiobiumUNS: R04200
Unalloyed niobium for superconductors, electronics, aero engines, and chemical processing. Superior high-temp corrosion resistance vs tantalum.
Chemical Composition (wt%)
| Nb | 99.0 min |
| Ta | 0.10 max |
| W | 0.05 max |
| Mo | 0.02 max |
| Fe | 0.01 max |
| O | 0.025 max |
Mechanical Properties
| Tensile Strength | 195 MPa – 310 MPa |
| Yield Strength | 105 MPa – 205 MPa |
| Elongation (min) | 25% |
| Hardness | 80 HV |
| Elastic Modulus | 105 GPa |
In stock
In-Stock Dimensions
Niobium (Unalloyed)
0.2*200*1000
Niobium Materials Weight Calculator
Calculated Weight
Per piece17.397 kg
Imperial38.353 lbs
Cost Estimate (FOB Baoji)
Price tierPrototype / R&D
Unit price$75.6/kg
Estimated total$1,315.18
* Reference pricing only. Actual quote depends on specifications, tolerances, and certification requirements.
Grade 5 Properties
Density4.43 g/cm³Tensile895–1000 MPaYield828–910 MPaElongation10%
Quality & Certification
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Material Test Certificate
EN 10204 Type 3.1/3.2 MTC with every shipment. Full heat traceability.
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Testing & Inspection
UT, PMI, tensile test, hardness test. Third-party inspection available.
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ISO 9001:2015
All partner mills certified. ASTM / ASME / AMS / GJB compliant.
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Fast Delivery
Stock items: 3 days. Custom orders: 15–45 days. FOB Baoji / CIF worldwide.