(1)   Product

Superior raw materials, advanced automated equipment, unique heat treatment technique and strict quality control system contribute to better performance for the general hardness of Shandong Iraeta grinding steel ball.

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

 

(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)   Equipment

Iraeta has 7 full automatic hot-rolling steel ball production lines. We are among the minority of suppliers who are able to directly produce balls with DIA80mm and the above size by hot-rolled technology.

 

(4)   Lab

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

 

(5) 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.

(6)  Packing

1.Container Bag(1000kg/bag)

2.Iron drum

3.According to your requirements