Structural Tiles

Silicon Carbide and Boron Carbide Tiles

Hexoloy® SA sintered silicon carbide tiles are available in sizes ranging from 50.8 mm to 177.8 mm with thicknesses from 2.54 mm to 19.05 mm. Norbide B4C hot pressed boron carbide tiles are available in sizes ranging from 200 mm to 432 mm and up to mm thick. 

One surface of the tiles can be polished. Hexagon shaped tiles are also available.

Features and Benefits

Benefits
  • Excellent thermal resistance
  • Mechanical and chemical stability
  • Ideal for use as small precision components
  • Excellent wear resistance
Application
  • Industrial and research equipment
  • Aerospace
  • Semiconductors
Material Properties

Typical Properties of Hexoloy® SA
 

Property Units Typical Value
Composition* - SiC
Grain Size µm 4.10
Density g/cm3 3.10
Hardness (Knoop)** kg/mm2 2800
Flexural Strength 4 pt @ RT***

MPa

x103 lb/in2

380

55

Flexural Strength 3 pt @ RT***

MPa

x103 lb/in2

550

80

Compressive Strength @ RT

MPa

x103 lb/in2

3900

560

Modulus of Elasticity @ RT

GPa

x106 lb/in2

430

62

Weibull Modulus (2 parameter)   10
Poisson Ratio   0.14

Fracture Toughness @ RT

Double Torsion & SENB

MPa x m1/2

x103 lb/in2 x in1/2

4.60

4.20

Coefficient of Thermal Expansion

RT to 700°C

x10-6 mm/mmK

x10-6 in/in ˚F

4.02

2.20

Maximum Service Temp. Air

°C

°F

1900

3450

Mean Specific Heat @ RT J/gmK 0.67

Thermal Conductivity @ RT

@ 200°C

@ 400°C

 

 

 

W/mK

Btu/ft h °F

W/mK

Btu/ft h °F

W/mK

Btu/ft h °F

125.6

72.6

102.6

59.3

77.5

44.8

Permeability @ RT to 1000°C Impervious to gases over 31 MPa

Electrical Resistivity @ RT****

@ 1000°C

ohm-cm

ohm-cm

102 - 108

0.01 - 0.2

Emissivity   0.9
Size
Dimensions Thickness
2" x 2"  0.250"
2" x 2" 0.500"
4" x 4" 0.100"
0.125"
0.160"
0.250"
0.375"
0.500"
0.750"
4" x 2" 0.260"
6.16" x 6.16" 0.160"
0.250"
0.500"
0.750"
7.1" x 7.1" 0.160"

2" x 2" Tiles 

Length & Width Thickness Camber
± 0.015 in ± 0.010 in 0.005 in/in

4" x 4" Tiles

Length & Width Thickness Camber
± 0.030 in ± 0.010 in 0.005 in/in

4" x 2" Tiles

Length & Width Thickness Camber
± 0.030 in ± 0.010 in 0.005 in/in

6.16" x 6.16" Tiles

Length & Width Thickness Camber
± 0.045 in ± 0.010 in 0.005 in/in

7.1" x 7.1" Tiles

Length & Width Thickness Camber
± 0.050 in ± 0.010 in 0.005 in/in

Documents

Data Sheets (TDS)
Specialty Ceramics Hexoloy SA Tile - Datasheet

Saint Gobain Specialty Ceramics' products allow customers to solve tough problems in thermal and chemical processing, industrial metrology, temperature

PDF | 168.87 KB
Specialty-Ceramics-Hexoloy-SA-Tile-Product-Information-web-202896