Dia 20mm - 200mm Grinding Balls for Mining

Size:

Dia 20mm-40mm hardness 63-66HRC

Dia 50mm-70mm hardness 61-64HRC Impact Toughness7-15 J/cm2

Dia 80mm-100mm hardness 60-63HRC Impact Toughness 12-25 J/cm2

Above Dia 100mm hardness 59-62HRC Impact Thoughness above 20J/ cm2

process:

Steel rod→heating→ skew rolling &formig(steel ball)→high strength quenching→tempering→natural cooling→package

Specification:

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Packing:
1.Bags:1000KG polypropylene bags which are highly resistant to UV rays and secure bag straps to reduce time ?and effort in loading and unloading.
2.Drums:Recyeled drums can also be supplied. The drums have a removable lid and compression ring for secure storage.Drums are more efficient for some modes of transportation and can also be delivered on wooden pallets.
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Shipping:
1.Port of Loading:?Qingdao Port,China
2.Partial shippment allowed
3.By DHL/TNT express for samples order.Door to door to delivery;
4.Appointed freight forwarder by customers is acceptable

Question:?

Q1. What is the advantage of your company?

a. We are a professional steel ball manufacturers, which have 10 years of production experience.

b. Original manufacturer, real existed factory.
c. Hi-Tech and capable production line.

d. High quality, reasonable price, timely full service.

Q2. In which countries are your products sold?

Our products are exported to over 30 countries and regions including USA, Republic of Korea, Japan, Malaysia, Australia, Canada and South Africa, etc., well and universally received by clients.

In order to better serve customers, we have set up the office in Malaysia, Chile, United States and Spain.

Q3. How to ensure the quality of your product?

b. Every batch of steel ball must be detect the size, weight, hardness, chemical composition. And we will test other items according to the c