Kromit Kum Döküm

Döküm Kromit Kum, tüm kalıp ve maça proseslerine uyumludur. Şu anda döküm endüstrisinde büyük miktarlarda kromit kumu kullanılmaktadır. Döküm kromit kumu, yüksek termal direnci, hızlı soğutma kapasitesi ve sıvı metal penetrasyonuna karşı direnci nedeniyle kullanılır. Termal genleşmesi düzgün ve küçüktür, bu nedenle kanatçık sorunları en aza indirilir. Kromit kum kalıbında hazırlanan dökümler, ince duvarlı yerde çekme mukavemetini ve uzamayı arttırdı. Tane boyutu ve DAS (ikincil dendrit kol boşluğu) açısından yaygın kum molüne göre daha üstündür. Kromit kumu yüksek mukavemetli parçaların hazırlanması için uygundur. Kromit Kum, başta krom, krom-nikel ve manganlı çelik döküm olmak üzere tüm bağlama sistemleri ve çelik dökümlerle uyumludur.

$350.00$450.00 / MT

DÖKÜM KROMİT KUM KİMYASAL VE FİZİKSEL ÖZELLİKLERİ

KimyadizinFizikseldizin
Cr2O3≥46.0Kütle yoğunluğu2.5-3g / cm3
SiO2≤1.0%PH değeri7.9
Fe2O3≤26.5%Cr/Fe1.55:1
CaO≤0.30%Dolum Yoğunluğu2,6 g/cm3
MgO≤%10Yüzde Nem≤0.1
AI2O3≤%15,5sinterlenmiş1600°C
P≤0.003%Sinterleme Sıcaklığı2180°C
C≤0.003%Erime noktası>1800°C

DÖKÜM KROMİT KUM MEVCUT ÖLÇÜLER:

  • 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 200 mesh 300 mesh 400 mesh

DÖKÜM KROMİT KUM UYGULAMALARI

  • Döküm endüstrisinde kromit kumu
    Özellikleri, malzemenin maça ve kalıp yapım kumu olarak yüksek görev gri demir ve çelik dökümhanelerinde kullanılmasını sağlar. Yüksek ısıl iletkenliği ona iyi soğutma özellikleri verir, düşük ısıl genleşme iyi boyutsal kararlılık sağlar. Bazlığı nötre yakın olması, çok çeşitli reçine bağlama sistemleri ve inorganik bağlayıcıların kullanımına izin verir, yüksek bir refrakterliğe ve geniş bir elek dağılımına sahiptir.
  • Çelik endüstrisinde
    Kromit Kumu Çelik üretiminde Kromit Kumu, büyük çelik tutma potalarında sürgülü kapağın korunması için dolgu maddesi olarak kullanılır.
  • Cam endüstrisinde
    Kromit Kumu İnce bir un haline getirildiğinde, yeşil cam içecek kaplarının üretiminde Kromit Kumu kullanılır.

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