Sialon Galvanizing Hooks

Silicon Nitride galvanizing hooks have found extensive use in non-ferrous molten metal handling

Particularly aluminum and its alloys, including metal feed tubes for aluminum die casting, burner and immersion heater tubes, injector and degassing for nonferrous metals, thermocouple protection tubes, crucibles and ladles.

31 in stock (can be backordered)

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Strong Sialon II ™ (or silicon nitride like) hot dip galvanizing hooks are typically used in the non-ferrous industry during aluminium galvanizing. This method modifies the surface properties of e.g. aluminum and steel. This technique is generally applied to piston rings.

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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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