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Quick Details

Dimensions: 25-150 mm
Material: Steel
Application: mining
Brand Name: Shandong Iraeta
Place of Origin: China (Mainland)
Technology: Forged
Surface hardness: 57hrc- 67hrc
impact toughness: >12J/CM2
Breakage rate: <0.5%
Lost round rate: <1%
Standard: YB/T091-2005
Certification: ISO9001 ISO14001 ISO18001
Packing: Big bags 1000kg/bag

Specifications


                                                          casting and forging solid steel ball for ball mill
1. Grinding ball parameters
1) Production Standard      YB/T091-2005


2) Size: 25-150 mm

3) Surface Hardness   HRC57-67 HRC

4) Volume Hardness   HRC56-64

5) Breakage Rate <0.57%

6) Lost Round Rate     <1%

7) Impact Toughness  12 j/cm2

8) Material : Customized raw material, B2,B3,BU Chrome

9) Forging way: hydraumatic

10)  Core Hardnes  ≥50;≥55;≥58;≥60

11) Dropping test: ≥12000

2. Raw Material

 With the purchase of 400 thousand tons of steels each year, we are able to provide customizable raw materials and get VIP service from steel plants. All raw materials are purchased directly from standard steel enterprises such as Laiwu Steel Group, Shijiazhuang Steel, Huaiyin Steel, etc. The quality of different batches of raw materials is quite stable.


3. Lab

A national certified laboratory in accordance with the international standard ISO17025 was established in Iraeta.


4. Specialist



1) Customized raw material. ( The formal steel material factory)

 

2) High automatic equipment.( automatic hot-rolling production lines )

 

3) The unique heat treatment.  ( introducing Spainsh technology)

 

4) Strict quality control. ( equipped with national approved laboratory meeting requirements of ISO17025)

 

5) ISO9001, ISO14001 ,OHSAS18001, etc.