Home  >  Industrial Supplies  >  Cleaning Equipment Parts

Advantage: High temperature resistance, Abrasion-resistance, light unit weight, working life much longer than tradition mat - details see: https://www.machineto.com/boron-carbide-b4c-ceramic-sand-blast-spray-nozzle-insert-10212490

-------- Boron Carbide Nozzles, Spray pipes

Main application: widely used in Industrial production machines such as Sandblasting machines, hydraulic cutters, power plant boilers etc.

Advantage: High temperature resistance, Abrasion-resistance, light unit weight, working life much longer than tradition material.

B4C specifications:

Density: 2.50-2.65 g/cm3

Elastic modulus: 510 Gpa

Knoop Hardness: 3300

Flexural strength:400-650 Mpa

Compressive strength: 4100 Mpa

Fracture toughness: 4.5-7.0 Mpa.m1/2

Coefficient of thermal expansion: 4.5x106

Thermal Conductivity:29 m0k

Maximum permissible service temperature in air:1500C

Item	Al2O3	SiC	B4C
Density	3.5g/cm3	3.1g/cm3	2.4-2.65g/cm3
Hardness	HV1650	HV2750	HV3300
Flexural strength	290 Mpa	380 Mpa	400-650 Mpa
Compressive strength	850 Mpa	3970 Mpa	4100 Mpa
Fracture toughness	4.8 Mpa.m1/2	4.0 Mpa.m1/2	4.5-7.0 Mpa.m1/2
Thermal Conductivity	20 m0k	120m0k	29 m0k
Coefficient of thermal expansion	7.2x106	4x106	4.5x106