Jinan Zhongwei Casting And Forging Grinding Ball Co.,Ltd
Jinan Zhongwei Casting And Forging Grinding Ball Co.,Ltd 18 Years focus on development and production of grinding media Casting quality with strength, Forging glory with integrity
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High Chrome Casting Grinding Media Iron Balls :
THE PROCESS LINE OF PRODUCTION:
raw materilals----scientific proportioning----electric furnaxe smelting----assay before furnace----mould forming----polishing----Heat treament----Dimension test----Hardness test----Packing----Transportation----Sea freight
We are one of the largest factory specialized in producing Forging Grinding Media Ball, Rolling Grinding Media Balland Casting Grinding Media Ball in China. It was founded in 1988, located in Zhangqiu City, Shandong Province, China. Annual Production Capacity is 50,000 metric ton. There are 120 employees, covering an area of 15,000 square meters. Our products have been exported to more than 30 countries and got a lot of praise. We have large-scale production workshop, advanced production equipment and perfect quality assurance system. Our company has passed ISO9001:2000 quality system authentication and we always keep sincere service promise.
Process features of cast iron balls:
Heat treatment process---we have two sets of heat treatment production line.one is oil quenching,the other is air quenching.so that the grinding balls can be burning through andquenching through.and the grinding media has the characters of high hardness, good toughness,low wear rate,low break rate,wear-resistant etc through tempering.
Specifications of our products as follows:
Type and Chenical Composition of Cast Balls
|
Name |
Material
| Chemical Composition | ||||||
| C | Si | Mn | S/P | Cr | HRC | |||
| Cast ball | special hi-cr | 2.0-3.2 | ＜1.0 | 0.5-2.0 | ＜0.06 | ＞18 | 58-64 | |
| higt-cr
| 2.0-3.2 | ＜1.0 | 0.5-1.5 | ＜0.06 | ＞10 | 58-62 | ||
5.Package: Steel drums (850kg per drum) or Flexible Container Bags ( 1000kg per bag)
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