Military material boron carbide sand B4C powder high hardness

Size

boron carbide F#60-220

Chemical

Composition(%)

B

75-81

C

17-22

Fe2O3

0.1-0.9

B+C

90-99

Physical

Properties

Appearance

Black powder

Molecular Weight (g/mol.)

55.25515

Specific Heat (cal-mol-c)

12.5

Knoop Hardness

2750

Mohs Hardness

9.3

Micro Hardness

4950kgf/mm2

Density & phase

2.52 g/cm (Solid)

Melting point

2350 °C (2623.15 K)

Boiling point

>3500 °C (>3773.15 K)

Solubility In Water

Insoluble

Application

· Abrasives for lapping and ultrasonic cutting

· Anti-oxidant in carbon-bonded refractory mixes

· Armor

· Nuclear applications such as reactor control rods and neutron absorbing shielding

· Wear parts such as blasting nozzles, wire-drawing dies, powdered metal and ceramic forming dies, thread guides

Available

Sizes

#60 #70 #80 #90 #100 #120 #150 #180 #220 #240 #280 #320 #360 #400# #500 #600 #700 #800 #1000 #1200 #1500 #2000 #2500 #3000 #4000 #6000 #8000

F60 F70 F80 F90 F100 F120 F150 F180 F220 F230 F240 F280 F320 F360 F400 F500 F600 F800 F1000 F1200 F1500 F2000