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Genghong
Product Description
The vacuum granulation technology improves the homogeneity and compact ability of materials, and enhances the products’ stability in use.
The use of Al2O3-C stopper tip has a superior performance in corrosion resistance to plain carbon steel and aluminum killed steel.
ZrO2 stopper tip with special surface treatment technology has strong adaptability of high-manganese and high-oxygen content of steel.
MgO-C stopper is dedicated to cast steel with Ca(Ca%≥20ppm).
ZrO2-C slag line has a superior performance in corrosion resistance
High standard Al2O3-C body materials have good thermal shock stability in use.
Chemical Properties
Items | Body | Tip | ||
Al2O3 | ≥60.0 | ≥71.0 | Zr | |
MgO | ≥70.0 | (ZrO2) ≥ 85 | ||
C+SiC | ≥27.0 | ≥14.0 | ≥12.0 | ≥5 |
BD, g/cm3 | ≥2.45 | ≥2.65 | ≥2.50 | ≥3.8 |
AP, % | ≤17.0 | ≤17.0 | ≤18.0 | ≤18.0 |
CCS, MPa | ≥20.0 | ≥22.0 | ≥18.0 | ≥18.0 |
MOR, MPa | ≥6.5 | ≥6.5 | ≥6.0 | ≥10 |
Production
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