BASIC INFO
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pure niobium bar specification |
1.Standard ASTM B392
2.Niobium unalloyed bar
3.Niobium alloy bar
4.Rare metal
5.Niobium bar
6.Grade: R04200-1 type
R04210-2 type
R04251-3 type
R04261-4 type.
7.Spec.: ASTM B392, ASME SB392
8.Size: dia. 3.0mm-65mm x 3000mm lL.
9.Mechanical requirements (annealed condition)
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Grade |
Tensile strength δbpsi (MPa), ≥ |
Yield strength δ0.2, psi (MPa),≥ |
Elongation in 1"/2" gage length, %, ≥ |
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RO4200-1 |
18000 (125) |
10500 (73) |
25 |
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Special requirements to be agreed on by the supplier and buyer of negotiations |
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