- Iron Wire[1]
- Other Titanium[2]
- Metallurgy Machinery Parts[2]
- Titanium Sheets[2]
- Other Metals & Metal Products[10]
- Frame[1]
- Metal Crafts[8]
- Machining Services[1]
- Abrasives[8]
- Marine Hardware[1]
- Other Copper[1]
- Other Mechanical Parts[2]
- Chemical Transportation Equipment[1]
- Other Gifts & Crafts[2]
- Arts & Crafts Stocks[1]
- Tungsten Wire[1]
- Other Hardware[1]
- Rare Earth & Products[3]
- Springs[1]
- Refractory[4]
- Other Non-Metallic Minerals & Products[4]
- Testing Equipment[2]
- Other Lab Supplies[3]
- Fuses[1]
- Washers[1]
- Bag Making Machinery Parts[2]
- Professional Audio[1]
- Furniture Hinges[2]
- Chemical Product Machinery Parts[3]
- Instrument Parts & Accessories[1]
- Balustrades & Handrails[4]
- Other Electrical Equipment[1]
- Other Electronic Components[1]
- Cast & Forged[1]
- Zipper Making Machines[2]
- Nickel[3]
- Glass Product Making Machinery Parts[1]
- Copper Sheets[1]
- Chemical Storage Equipment[1]
- Metal Processing Machinery Parts[1]
- Special Bearings[1]
- Contact Person : Mr. Xu Tony
- Company Name : Baoji Chuangxin Metal Materials Co., Ltd.
- Tel : 86-0917-3381918
- Fax : 86-0917-3381187
- Address : Shaanxi,Baoji,No.128 Gaoxin Road
- Country/Region : China
- Zip : 721013
ASTM B392 Nb1 niobium bar
The allowable deviation of bar
Diameter/ Side | The allowable deviation of diameter or length |
Length | Scale length allowable deviation | |||
Forged bar | Crowded bar | Rolled bar | Fortson/Vehicle | |||
3.0~3.5 | ±0.05 | --- | ±0.05 | --- | 500~1500 | +5 |
>3.5~4.5 | ±0.07 | --- | ±0.07 | --- | 500~1500 | +5 |
>4.5~10.0 | ±0.10 | --- | ±0.10 | --- | 500~1500 | +5 |
>10~13 | ±0.15 | --- | ±0.15 | --- | 300~1200 | +5 |
>13~16 | ±0.20 | --- | --- | --- | 300~1200 | +5 |
>16~18 | ±1.0 | --- | --- | ±0.30 | 200~2000 | +20 |
>18~25 | ±1.5 | ±1.0 | --- | ±0.40 | 200~2000 | +20 |
>25~40 | ±2.0 | ±1.5 | --- | ±0.50 | 150~4000 | +20 |
>40~50 | ±2.5 | ±2.0 | --- | ±0.60 | 100~3000 | +20 |
>50~65 | ±3.0 | ±2.0 | --- | ±0.80 | 100~1500 | +20 |
Trademark | Interstitial content,% NMT | |||
O | C | H | N | |
Nb1 | 0.04 | 0.02 | 0.001 | 0.01 |
Nb2 | 0.05 | 0.03 | 0.005 | 0.05 |
FNb1 | 0.05 | 0.02 | 0.002 | 0.02 |
FNb2 | 0.08 | 0.05 | 0.005 | 0.05 |
Chemical Composition<bar>
Trademark | Nb1 | Nb2 | FNb1 | FNb2 | ||
Chemical Composition,% | principal component | Nb | OTHERS | OTHERS | OTHERS | OTHERS |
Impurity content,NMT | Fe | 0.005 | 0.03 | 0.01 | 0.04 | |
Si | 0.005 | 0.02 | 0.01 | 0.03 | ||
Mo | 0.01 | 0.05 | 0.01 | 0.02 | ||
W | 0.03 | 0.03 | 0.03 | 0.03 | ||
Ti | 0.002 | 0.005 | 0.005 | 0.01 | ||
Cr | 0.002 | 0.01 | 0.005 | 0.01 | ||
Ta | 0.25 | 0.5 | 0.25 | 0.5 | ||
Ni | 0.005 | 0.005 | 0.005 | 0.005 | ||
O | 0.02 | 0.03 | 0.04 | 0.08 | ||
C | 0.02 | 0.03 | 0.02 | 0.05 | ||
H | 0.001 | 0.005 | 0.002 | 0.005 | ||
N | 0.01 | 0.05 | 0.02 | 0.05 | ||
ASTM B392 Nb1 niobium bar