Different argon inserts for preventing the molten steel from re-oxidating.
The canopy nozzle can prevent the steel from flowing upstream when start casting.
Long service life and Non-preheating LS: compound material for different steel grades and make the service life over 450 minutes.
Item项 目 \ Brand牌 号 |
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|
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酸 性 Acid |
碱 性 Basic |
中 性 Neutral |
Al2O3 %
|
≥40.0
|
≥45.0
|
|
|
|
ZrO2 % |
|
|
≥70.0 |
|
≥55.0 |
MgO % |
|
|
|
≥58.0
|
|
C+SiC % |
≥30.0
|
≥20.0
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≥15.0
|
≥15.0
|
≥25.0
|
Bulk Density体积密度 g/cm3 |
≥2.15
|
≥2.18
|
≥3.40
|
≥2.50
|
≥2.40
|
Apparent Porosity显气孔率 % |
≤19.0
|
≤19.0
|
≤18.0
|
≤18.0
|
≤18.0
|
耐压强度 Mpa Cold Crushing Strength |
≥18.0 |
≥19.0
|
≥20.0
|
≥18.0
|
|
抗折强度 Mpa Modulus of Rupture |
≥6.0 |
≥6.0 |
≥6.0 |
≥4.0 |
≥6.0 | | |