热轧钢球，耐磨钢球

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

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