|
Name
|
Niobium polished, mat bar/rod
|
|
Brand
|
MXC
|
|
Model number
|
MXC2011
|
|
Material
|
RO4200-1 RO4210-2
|
|
Standard
|
ASTM B-392
|
|
Specification
|
diameter 4-100mm * length
|
|
Technique
|
Cold/hot rolling
|
|
Purity
|
>=99.9% or 99.95%
|
|
Condation
|
R/M/Y
|
|
Origin place
|
Shaanxi,china
|
|
Color
|
silver
|
|
Delivery
|
Within 15-30 days
|
|
Packing
|
Wooden cases,plastic bag,gunny bag,or as customer’s request
|
Chemical composition :
|
Grade
|
Nb-01
|
Nb-1
|
Nb-2
|
|
|
Impurity
Content,
%,
Max
|
Ta
|
0.1
|
0.25
|
2
|
|
O
|
0.05
|
0.15
|
0.1
|
|
|
N
|
0.03
|
0.05
|
0.1
|
|
|
C
|
0.02
|
0.03
|
0.5
|
|
|
Si
|
0.005
|
0.006
|
0.03
|
|
|
Fe
|
0.005
|
0.03
|
0.1
|
|
|
W
|
0.005
|
0.01
|
-
|
|
|
Mo
|
0.005
|
0.005
|
-
|
|
|
Ti
|
0.005
|
0.01
|
-
|
|
|
Al
|
-
|
-
|
0.01
|
|
|
Cu
|
0.003
|
0.003
|
0.003
|
|
|
Cr
|
-
|
-
|
0.03
|
|
|
P
|
-
|
-
|
0.02
|
|
|
Size(mm)
|
≥14*14*300
|
≥14*14*300
|
20*20*(300-450)
|
|
|
The flexural tolerance along the length for Nb-01 and Nb-1 bars shall not be over 1% of the length.
|
-
|
|||
|
Application
|
For superalloys and electron-beam melting
|
|||
Mechanical requirements :
|
Grade
|
Tensile strength δbpsi (MPa), ≥
|
Yield strength δ0.2, psi (MPa),≥
|
Elongation in 1"/2" gage length, %, ≥
|
|
RO4200-1
RO4210-2
|
18000 (125)
|
10500 (73)
|
25
|
|
Special requirements to be agreed on by the supplier and buyer of negotiations
|
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