bfe is the strong deoxidizer and boron element addition in steel making process. the main effect of boron in the steel is that it can significantly improve the hardenability and replace a large amount of alloy elements just using trace, it can also improve the mechanical properties, cold deformation properties, welding properties and high temperature properties.
physical and chemical index
| sort | brand | technical index％ | ||||||||
| b | c | si | al | s | p | cu | ||||
| min | ||||||||||
| lc | feb23c0.05 feb22c0.1 feb17c0.1 feb12c0.1 | 20.o～25.0 19.0～25.o 14.0～19.o 9.0～<14.o | o.o5 0.1 0.1 0.1 | 2.0 4.0 4.0 4.0 | 3.0 3.o 6.o 6.0 | 0.01 o.01 0.01 0.0l | 0.015 o.03 o.1 0.1 | 0.o5 — — — | ||
| mc | feb20c0.5 | a | 19.0～21.o | 0.5 | 1.o | 0.05 | o．0l | 0.1 |
| |
| b | o.5 | 4.0 | 0.5 | 0.01 | 0.2 |
| ||||
| feb18c0.5 | a | 17.0～<19.0 | o.5 | 4.0 | 0.05 | 0.01 | o.1 |
| ||
| b | o.5 | 4.0 | o.5 | o.01 | 0.2 |
| ||||
| feb16c1.0 | 15.0～17.0 | 1.o | 4.0 | o.5 | o.01 | 0.2 |
| |||
| feb14c1.o | 13.o～<15.o | 1.o | 4.o | o.5 | o.01 | 0.2 |
| |||
| feb12c1.o | 9.o～<13.o | 1.o | 4.o | o.5 | o．01 | o.2 |
| |||
| dameter：13+0.6mm；powder of weight：≥480g/m | ||||||||||
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