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Product Description
Niobium rods
(1). Chemical composition
|
Grade |
Chemical composition, %, not greater than |
||||||||||||
|
Fe |
Yes |
Mo |
W |
Ti |
Cr |
They |
Ni |
O |
C |
H |
N |
Note |
|
|
Nb1 |
0.005 |
0.005 |
0.010 |
0.010 |
0.002 |
0.002 |
0.10 |
0.005 |
0.020 |
0.020 |
0.001 |
0.01 |
Margin |
|
Nb2 |
0.01 |
0.005 |
0.010 |
0.020 |
0.005 |
0.005 |
0.25 |
0.005 |
0.040 |
0.030 |
0.005 |
0.025 |
Margin |
Note: User has special requirements; both parties shall negotiate and agree accordingly.
(2). Size/tolerance (mm, maximum)
|
Diameter |
Diameter tolerance Dia tolerance |
Length |
Length tolerance |
||
|
Forged bar As forged |
Drawbar As rolled |
Car rod As machined |
|||
|
3.0~3.5 |
-- |
±0.05 |
-- |
500~1500 |
±2 |
|
>3.5~4.5 |
±0.15 |
-- |
-- |
500~1500 |
±2 |
|
>4.5~10 |
±0.15 |
-- |
-- |
400~1500 |
±2 |
|
>10~13 |
±0.15 |
-- |
-- |
300~1200 |
±2 |
|
>13~16 |
±0.20 |
-- |
-- |
200~1500 |
±2 |
|
>16~18 |
±0.20 |
-- |
±0.50 |
≤600 |
±2 |
|
>18~25 |
-- |
-- |
±0.50 |
≤600 |
±2 |
|
>25~40 |
-- |
-- |
±0.60 |
≤600 |
±2 |
|
>40~50 |
-- |
-- |
±0.70 |
≤600 |
±2 |
|
>50~60 |
-- |
-- |
±0.70 |
≤600 |
±2 |
Note: User has special requirements; both parties shall negotiate and agree accordingly.
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FIR Metals&resource., Ltd.
Service Hotline:
Shayuanli Road, Jiulong Industrial Park, Yanling County, Zhuzhou City, Hunan Province
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