我公司是专业生产热轧球磨钢球的企业．按ＧＢ８６４９标准生产ф20mm－ф150mm各种规格的球磨钢球．该产品球体表面光滑、圆整，破碎率低、硬度均匀、冲击韧性好等特点，受到用户的好评．广泛应用于大型矿山、电厂、水泥厂等行业！
Our company is the biggest production enterprise of hot rolling grind steel ball in china .We produce grind steel ball ofф20 mm－ф150 mm with various specifications according to the standard of GB8649. This product has following advantages: smooth surface, complte round, low broken rate, equal hardness and good striding tenacity, The product is appreciated by our customers. They are widely used if large scale mine, power plant, concrete factory and other industry.
产品规格（Specifications of products）
标准(standards):GB8649
|
公称直径
Nominal diameter
|
理论直径
Theoretical diameter
|
理论重量
Theoretical weight
|
表面硬度
Surface hardness
|
心部硬度
Core part hardness
|
|
(mm)
|
(mm)
|
(kg/perpiece)
|
(HRC)
|
(HRC)
|
|
40
|
41.6
|
0.296
|
61－64
|
60－63
|
|
45
|
46.8
|
0.421
|
|
50
|
52.0
|
0.578
|
|
55
|
57.2
|
0.769
|
|
60
|
62.4
|
0.999
|
|
65
|
67.6
|
1.270
|
60－63
|
59－62
|
|
70
|
72.8
|
1.586
|
|
75
|
78.0
|
1.951
|
|
80
|
83.2
|
2.367
|
|
规格
Specifications
|
理念重量
Theoretica weight
|
|
80
|
2.1045
|
|
85
|
2.5243
|
|
90
|
2.9964
|
|
95
|
3.5241
|
|
100
|
4.1103
|
|
105
|
4.7582
|
性能(Capabil
|
材质
material
|
表面硬度
Suface hardness
|
心部硬度
Core part ha
|
