ASTM B392 99.95% pure niobium bars
Product description
Product Description
Niobium bar for niobium products
Specifications
Niobium bar
ASTM B 393-98
Size:Thk up to 0.1mm max*W up to 200mm max.*L
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Our company holds Tantalum ,Niobium as the dominant products in the scope of rare metal new materials, including many sorts and grades of their metals, sheet, tube, wire ,rod ,crucible , target ,alloy and so on.
Niobium is an associated metal of tantalum ,characterized in high strength ,high conductivity ,resistance to corrosion by liquid base metals ,section with low neutron capture ,etc ,widely used for steel ,ceramics ,electronics ,nuclear energy industries and superconductor technology.
Product Name: niobium alloy sheet for niobium products
Designation:RO4210-2,RO4261-4,C-103 Nb-Hf-Ti Alloy,Cb752 Nb-W-Zr Alloy;
Standard:ASTMB393;
Purity:Nb>99.95%;
State:Annealed(M) or Non-Annealed(Y)
Size:
Thickness(mm) | Width(mm) | Length(mm) |
| 0.10~0.20 | 30≤W≤200 | 30≤L≤1500 |
| 0.2~1.0 | 30≤W≤300 | 30≤L≤1500 |
| 1.0~10.0 | 30≤L≤1000 | 30≤L≤2000 |
| ≥10.0 | 30≤L≤1000 | 30≤L≤1000 |
1, Chemistry
Designation | RO4210-2 | RO4261-4 | C-103 | Cb752 | |
Impurities (%) | Zr | 0.02 | 0.8~1.2 | 0.7 | 2.0~3.0 |
Ti | 0.002 | 0.02 | 0.7~1.3 | 0.2 | |
C | 0.01 | 0.01 | 0.015 | 0.015 | |
N | 0.015 | 0.01 | 0.015 | 0.01 | |
O | 0.015 | 0.015 | 0.023 | 0.02 | |
H | 0.001 | 0.0015 | 0.002 | 0.0015 | |
Ta | 0.10 | 0.10 | 0.5 | 0.5 | |
Fe | 0.005 | 0.005 | - | - | |
Si | 0.005 | 0.005 | - | - | |
W | 0.03 | 0.03 | 0.5 | 9.0~11.0 | |
Ni | 0.005 | 0.005 | - | - | |
Mo | 0.010 | 0.01 | - | - | |
Cr | 0.002 | 0.002 | - | - | |
Hf | - | - | 9.0~11.0 | 0.2 | |
Nb | Bal | Bal | Bal | Bal | |
2,Tollerance
Thickness(mm) | Tollerance of Thickness(mm) | Width(mm) | Tollerance of Width(mm) | Length | Tollerance of Length (mm) |
>0.1~0.2 | ±0.015 | 30~200 | ±2.0 | 30≤L≤1500 | ±3.0 |
>0.2~0.3 | ±0.02 | 30~300 | ±3.0 | 30≤L≤1500 | ±3.0 |
>0.3~0.5 | ±0.03 | 30~300 | ±3.0 | 30≤L≤1500 | ±3.0 |
>0.5~0.8 | ±0.04 | 30~300 | ±3.0 | 30≤L≤1500 | ±3.0 |
>0.8~1.0 | ±0.06 | 30~300 | ±3.0 | 30≤L≤1500 | ±3.0 |
>1.0~1.5 | ±0.08 | 30~1000 | ±4.0 | 30≤L≤2000 | ±3.0 |
>1.5~2.0 | ±0.12 | 30~1000 | ±4.0 | 30≤L≤2000 | ±3.0 |
>2.0~3.0 | ±0.18 | 30~1000 | ±4.0 | 30≤L≤2000 | ±3.0 |
>3.0~4.0 | ±0.18 | 30~1000 | ±4.0 | 30≤L≤2000 | ±3.0 |
>4.0~6.0 | ±0.20 | 30~1000 | ±4.0 | 30≤L≤2000 | ±3.0 |
Note:The tolerance should be determined by the seller and buyer for special size products. | |||||
3,Physical Properies
Designation | State | Thickness (mm) | Tensile Strength σb /MPa | Elong A / % |
RO4210-2 | Annealed | 0.1~0.25 | ≥196 | ≥25 |
Annealed | ≥0.25~0.5 | ≥196 | ≥25 | |
Annealed | ≥0.5 | ≥196 | ≥25 |
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