产品说明
牌号：Nb-1.Nb-2
标准：GB/T14842-2007
规格：Φ3.0~Φ100mm
状态：退火态(M) 或 硬态(Y)；
化学成分
|
牌号 |
Nb1 |
Nb2 |
|
|
元素含量 (质量分数%) |
Zr |
0.02 |
0.02 |
|
Ti |
0.002 |
0.005 |
|
|
C |
0.01 |
0.02 |
|
|
N |
0.015 |
0.05 |
|
|
O |
0.015 |
0.025 |
|
|
H |
0.001 |
0.005 |
|
|
Ta |
0.10 |
0.25 |
|
|
Fe |
0.005 |
0.03 |
|
|
Si |
0.005 |
0.02 |
|
|
W |
0.03 |
0.05 |
|
|
Ni |
0.005 |
0.01 |
|
|
Mo |
0.010 |
0.05 |
|
|
Cr |
0.002 |
0.01 |
|
|
Hf |
- |
- |
|
|
Nb |
余量 |
余量 |
|
公差范围
|
直径或边长 |
直径或者边长允许偏差 |
长度 |
定尺长度 允许偏差 |
|||
|
锻棒 |
挤棒 |
轧棒 |
磨棒 |
200~1500 |
+5 |
|
|
3.0~4.5 |
±0.05 |
—— |
±0.05 |
—— |
200~1500 |
|
|
4.5~6.5 |
±0.10 |
—— |
±0.10 |
—— |
200~1500 |
|
|
6.5~10.0 |
±0.15 |
—— |
±0.15 |
—— |
200~1500 |
|
|
10.0~16.0 |
±0.20 |
—— |
±0.20 |
—— |
200~2000 |
+20 |
|
16.0~18.0 |
±1.0 |
—— |
—— |
±0.30 |
200~2000 |
|
|
18.0~25.0 |
±1.50 |
±1.0 |
—— |
±0.40 |
200~2000 |
|
|
25.0~40.0 |
±2.0 |
±1.5 |
—— |
±0.50 |
200~2000 |
|
|
40.0~50.0 |
±2.50 |
±2.0 |
—— |
±0.60 |
200~2000 |
|
|
50.0~65.0 |
±3.00 |
±2.0 |
—— |
±0.80 |
200~2000 |
|
|
65.0~150 |
±4.00 |
±3.0 |
—— |
±1.00 |
200~1000 |
|
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