Products
Ferroboron
Ferroboron it is widely applied for alloyage and modifyings of steel. Pig-iron and alloys of nonferrous metals Boron steel are also rather perspective constructional in aircraft industry and tractor industry.
The boron as alloying element even at its small maintenances in steel renders the big influence on a complex of mechanical properties and promotes economy of scarce and dear alloying elements. The pine forest influences on hardness penetration steel, and it is shown most considerably at its concentration in a firm solution within the limits of 0,0001-0,0004 % B
Chemical composition
| Марка | Химический состав, % | ||||||
| B | Si | Al | C | S | P | Cu | |
| не менее | не более | ||||||
| ФБ 20 | 20,0 | 2,0 | 3,0 | 0,05 | 0,01 | 0,02 | 0,05 |
| ФБ 17 | 17,0 | 3,0 | 5,0 | 0,20 | 0,02 | 0,03 | 0,10 |
| ФБ 12 | 12,0 | 10,0 | 10,0 | - | - | - | - |
| ФБ 6 | 6,0 | 10,0 | 10,0 | - | - | - | - |
Gravimetric composition
| Класс крупности | Размер кусков, мм | Максимальная массовая доля продукта, % | Максимальный размер надрешетного продукта, мм | |
| надрешетного | подрешетного | |||
| 1 | 3,2-100 | 10 | 6 | 120 |
| 2 | 3.2-50 | 10 | 8 | 60 |
| 3 | 3,2-10 | 10 | 10 | 12 |
| 4 | до 3,2 | 10 | - | 4 |
Used in lumps of 2-100 mm, packed in soft- dags.
Density 5,86-6,67 g/cm3.
Melting point 1627-1780 oC.