45 Steel 8.8 Ect Ball Mill Bolt and mill liner bolts and mill bolts Castings And Forgings
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The performance grade of ball mill bolts can be divided into 10 performance grades: 3.6, 4.6, 4.8, 5.6, 5.8, 6.8, 8.8, 9.8, 10.9, 12.9, among which the strength bolts above 8.8 grade (including) are made of medium carbon steel and alloy steel after heat ......
Luoyang Zhongtai Industries CO.,LTD
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