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Baoji Shengyuan Metal Material Co.,Ltd is one of the leading China niobium screw manufacturers and suppliers, equipped with a professional factory and company, welcome to wholesale quality niobium bolt, niobium nut products from us.
Specifications
Material: niobium flanged thermowell
Grade: RO4200,RO4210
Pruity: 99.95% or 99.99%
Shape: flange, thermowell
Niobium flanged thermowell
Material: RO4200-1, RO4210-2
Purity: >=99.9% or 99.95%
Mechanical Requirements (annealed condition)
|
Grade |
Tensile strength δbpsi (MPa), ≥ |
Yield strength δ0.2, psi (MPa),≥ |
Elongation in 1"/2" gage length, %, ≥ |
|
|
>=0.010 |
<0.010 |
|||
|
RO4200-1 RO4210-2 |
18000 (125) |
12000 (85) |
25 |
20 |
Special requirements to be agreed on by the supplier and buyer of negotiations
Chemical Composition
|
Chemistry % |
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|
Designation |
Chief component |
Impurities maxmium |
|||||||||||
|
Nb |
Fe |
Si |
Ni |
W |
Mo |
Ti |
Ta |
O |
C |
H |
N |
||
|
Nb1 |
Remainder |
0.004 |
0.003 |
0.002 |
0.004 |
0.004 |
0.002 |
0.07 |
0.015 |
0.004 |
0.0015 |
0.002 |
|
|
Nb2 |
Remainder |
0.02 |
0.02 |
0.005 |
0.02 |
0.02 |
0.005 |
0.15 |
0.03 |
0.01 |
0.0015 |
0.01 |
|