Graphite Fluxing (Degassing) Tubes

Sialon alternative to graphite impregnated fluxing tubes for degassing inert gases or active gases.

We offer a wide range of Sialon-gas inlet tubes for metal working. In these sectors, they find their application in Aluminum production, Brass Manufacturing and Precious metal manufacturing.

Our silicon nitride gas inlet tubes offer excellent performance and a good service life. We also offer an additional machining of the pipes for gas thread, nozzles and blind holes. Fluxing the molten metal with nitrogen is a simple and cost-effective way to ensure that the metal is gas free and avoids gas porosity; reduces the number of pores and foggy phenomena on the surface of the metal.

10 in stock (can be backordered)

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Description

Fluxing the molten metal with nitrogen is a simple and inexpensive way to ensure that the metal is gas free and avoids gas porosity; reduces the number of pores and foggy phenomena on the surface of the metal.

Sialon data sheet

Material data sheet

Sialon (Si3Al3O3N5)

Typical Sialon grades

NVD-001

NVD-002

NVD-003

NVD-004

Bulk Density

g/cm3

3.2

3.1

3.3

3.2

Water Absorption

0

0

0

0

Flexural Strength

MPa

580

900

1,020

790

Vickers Hardness HV1

GPa

13.9

12.7

15.0

13.8

Fracture Toughness (SEPB)

MPam1/2

4 ~ 5

6 ~ 7

7

6 ~ 7

Young’s Modulus of Elasticity

GPa

290

270

300

290

Poisson’s Ratio

0.28

0.28

0.28

0.28

Coefficient of Linear Thermal (40 – 800 °C)

Expansion

×10-6/℃

3.2

3.4

3.3

3.5

Thermal Conductivity (20℃)

W/(m・k)

25

23

27

54

Specific Heat

J/(g・k)

0.64

0.66

0.65

0.66

Heat Shock Resistance

550

800

800

900

Volume Resistivity (20℃)

Ω・cm

>1014

>1014

>1014

>1014

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