鉻鐵礦砂加工商和供應商，每年 50000 噸

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鑄造鉻砂

鑄造鉻鐵礦砂適用於模具和型芯的所有工藝。目前，鑄造行業使用了大量的鉻鐵礦砂。鑄造鉻鐵礦砂因其高耐熱性、快速冷卻能力和抗液態金屬滲透而被使用。其熱膨脹均勻且小，因此翅片問題被最小化。在鉻鐵礦砂型中製備的鑄件提高了薄壁部位的抗拉強度和伸長率。它在晶粒尺寸和DAS（二次枝晶臂間距）方面優於普通砂摩爾。鉻鐵礦砂適用於製備高強度零件。鉻鐵礦砂與所有粘結系統和鑄鋼件兼容，主要用於鉻鋼、鉻鎳鋼和錳鋼鑄件。

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鑄造鉻鐵礦砂的 化學和物理特性

化學 指數 身體的 指數
三氧化二鉻 ≥46.0% 堆積密度 2.5-3g/cm3
二氧化矽 ≤1.0% 酸鹼度 7.9
Fe2O3 ≤26.5% 鉻/鐵 1.55:1
CaO ≤0.30% 填充密度 2.6 克/立方厘米
氧化鎂 ≤10% 水分百分比 ≤0.1
三氧化二鋁 ≤15.5% 燒結的 1600°C
磷 ≤0.003% 燒結溫度 2180℃
C ≤0.003% 熔點 ＞1800℃

鑄造鉻鐵砂可用尺寸：

  • 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目 300目 400目

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鄭州海旭磨料磨俱有限公司成立於1999年，擁有20年的生產經驗和一支經驗豐富的銷售團隊，專業生產南非鉻鐵礦砂。

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