hardness 60-65 grinding steel ball for grinding iron ore mill grinding ball - Exportimes.com

Supplier Details

Chengde Rong Mao Cast Steel Co., Ltd.  

Year Established:

Business Type:Business Service

Management Certifiation:

Operational Address:
Xindian Village, Yuerya Town, Kuancheng Manchu Autonomous County, Chengde, Hebei, China (Mainland)

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hardness 60-65 grinding steel ball for grinding iron ore mill grinding ball

hardness 60-65 grinding steel ball for grinding iron ore mill grinding ball
  • hardness 60-65 grinding steel ball for grinding iron ore mill grinding ball
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FOB Price:US $ 500 - 1,300 / Ton | Get Latest Price Min.Order Quantity:10 Ton/Tons Supply Ability:6000 Ton/Tons per Month Port:Tianjin Payment Terms:L/C,T/T

Product Details


Model Number : 80
Brand Name : Rongmao
Place of Origin : China (Mainland)
Material : Steel


  hardness 60-65 grinding steel ball for grinding iron ore mill grinding ball

Austenite-bainite grinding ball is a kind of grinding ball, superior to the present widely used low-chromium ball, high-chromium ball, and variuos forged ball. The balls can be used in fields such as metallurgy mine, ore dressing, coal-grinding and cement production , and are manufactured by Chengde Rongmao Cast Iron Company Ltd. Its product size is 60mm, 80mm, 100mm, 120mm, 130mm, and especially the biggest size of 150mm. Our annual output is about 50,000 tons for the balls.

Chemical Composition (%)






















AB Grinding Ball


Surface Hardness (HRC)



Metallographic Structure

Falling Ball Impact Fatigue Life

7.3 T/m3


7-10 J/cm2







High hardness, good wear-resistance, light in weight, energy saving, neat appearance, external hard inside tough, not broken.




Company Profile


Chengde Rong Mao Cast Steel Co., Ltd., founded in 1980s, and located in historic and cultural city - Chengde China, is a large-scale casting enterprise. For thirty years Rong Mao has produced Austempered Ductile Iron (ADI) grinding ball, ball mill liner, various models of jaw crusher tooth plate, hammer crusher liner, castor-oil plant section, high-chromium alloy combined hammer and all kinds of high manganese steel castings and low chrome alloy grinding ball . The company has 400 staff, including technical management personnel of 80 and 30 with senior and medium professional titles, and its plant covers an area of 36,000 square meters, with workshop area of 26,000 square meters and fixed assets of 5 million yuan. The annual output of castings is 26, 000 tons. 

Faced with fierce market competition, the company relys on advanced production equipment, perfect detection technology, standard casting process, innovative heat treatment experience and scientific testing means, and an accurate analysis of the chemical composition to produce good wear resistance and low broken rate products, which are sold throughout the country. "Rong Mao" brand is known nationwide; In 2007 Chengde Rong Mao Cast Steel Co., Ltd successfully passed the ISO9001 quality system certificate and ISO14000 environment system certification. With stable development, excellent product quality and honest services, the company stands out from the domestic foundry industry, and becomes a key member of China Foundry Association, and in successive years has been awarded as " honor contract and keep promise" company by provincial and municipal government . 
Our company has been adhering to high-quality, low-cost, timely business policy to won the recognition of mining, cement, and metallurgical enterprises. Our products are sold to Hebei, Liaoning, Shandong, Shanxi, Henan, Inner Mongolia, Jilin and North Korea, and South Korea. We will insist the business philosophy of "science and technology as the driving force, survival on quality, and good faith striving for the development", dedicate to provide you with first-class products and quality service, and welcome new and regular customers to come and give guidance . 
Let 's meet in Chengde, China

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