Processeur et fournisseur de sable de chromite, 50000 MT par an

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Coulée de sable de chromite

Casting Chromite Sand est compatible avec tous les procédés pour moules et noyaux. Actuellement, de grandes quantités de sable de chromite sont utilisées dans l’industrie de la coulée. Le sable de coulée de chromite est utilisé pour sa résistance thermique élevée, sa capacité de refroidissement rapide et sa résistance à la pénétration du métal liquide. Sa dilatation thermique est uniforme et petite ainsi, les problèmes de finning sont minimisés. Les pièces moulées préparées dans un moule en sable de chromite ont amélioré la résistance à la traction et augmenté l’allongement à l’emplacement à paroi mince. Il est supérieur à ceux de la mol de sable commune en termes de taille de grains et de DAS (espace de bras de dendrite secondaire). Le sable de chromite convient à la préparation des pièces à haute résistance. Le sable de chromite est compatible avec tous les systèmes de liaison et les moulages d’acier, principalement pour le moulage d’acier au chrome, au chrome-nickel et au manganèse.

$350.00 – $450.00 / MT

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PROPRIÉTÉS CHIMIQUES ET PHYSIQUES DU SABLE DE CHROMITE DE COULÉE

Chimie Indice Physique Indice
Cr2O3 ≥46.0% Densité en vrac 2,5-3g/cm3
SiO2 ≤1,0% PH 7.9
Fe2O3 26,5% Cr/Fe 1.55:1
CaO ≤0.30% Densité de remplissage 2,6 g/cm3
MgO ≤10% Pourcentage d’humidité 0.1
AI2O3 15,5% Le fritté 1600°C
P ≤0,003 % Température de frittage 2180°C
C ≤0,003 % Point de fusion ＞1800°C

TAILLES DISPONIBLES DE SABLE CHROMITE À COULÉE :

  • AFS 25-35 AFS25-30 AFS30-35 AFS35-40 AFS40-45 AFS40-50 AFS45-55 AFS45-50 AFS50-55 AFS55-60 AFS60-65
  • 0-1mm 200mesh 300mesh 400mesh

APPLICATIONS DE COULÉE AU SABLE CHROMÉ

  • Sable de chromite dans l’industrie de la fonderie
    Ses propriétés permettent au matériau d’être utilisé dans les fonderies de fonte grise et d’acier à haute résistance comme sable de fabrication de noyaux et de moules. Sa conductivité thermique élevée lui confère de bonnes propriétés réfrigérantes, sa faible dilatation thermique lui confère une bonne stabilité dimensionnelle. Sa basicité étant proche de la neutralité permet l’utilisation d’une large gamme de systèmes de liants résines et de liants inorganiques, il a un haut pouvoir réfractaire et une large répartition tamisée.
  • Sable de chromite dans l’industrie sidérurgique
    Dans la production d’acier, le sable de chromite est également utilisé comme charge pour la protection de la porte coulissante dans les grandes poches de rétention en acier.
  • Sable de chromite dans l’industrie du verre
    Lorsqu’il est broyé en une farine fine, le sable de chromite est utilisé pour la production de récipients pour boissons en verre vert.

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Zhengzhou Haixu Abrasives Co., Ltd, fondée en 1999, possédant 20 ans d’expérience dans la production et une équipe de vente expérimentée, spécifiée dans la production de sable de chromite d’Afrique du Sud.

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