轧机用碳化钨辊环

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英国一家公司制造了一种轧钢机用碳化钨辊环。这种辊环材料的成分及性能为:碳化钨80%~85%,钴15%~20%;洛氏硬度(HRA)84,密度为每立方厘米13.5~14克,抗弯强度2400兆帕,抗压强度3100兆帕。每
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