We are one of the largest manufacturers and exporters of grinding
steel balls and grinding rod in China. The annual output is 150,
000 metric tons. Our products export to more than 40 countries and
areas in the world such as INDONESIA, JAPAN ,KOREA, CANADA,
SOUTH-AFRICA, USA, BRAZIL etc, and has obtained a high reputations
from the customers. for example, BHP, Rio Tinto, South Africa
Copper Mine, Brazil Vale, Mongolia OT Mine, Indonesia Freeport.
Our company has obtained ISO9001 International Quality System
Authentication, ISO14001 International Environmental System
Authentication, High-tech Enterprise of Shandong Province, Famous
Brand of Shandong Province etc.
We hold the only automatic roll grinding line in China, which is
developed and researched by ourselves. As the raw material in
producing steel balls is high quality alloy steel, we can assure
the high hardness and good wear resistance of the products. The
quality of the products can meet the demand of client in different
countries and areas.
We would like to introduce our products as below for your
reference.
1. Forged steel grinding balls
Size: 20mm -150mm
Hardness: HRC50-65
Chemical elements: C: 0.52-0.80; Si: 0.15-0.37; Mn: 0.6-1.2; S
& P: 0.035Max; Cr: 0.25Max.
2. High chrome casting balls
Size: 20mm -120mm
Hardness: HRC58-65;
chemical elements:Cr:11-14%,C:2.5-3.2,Si≤1.0
Mn:0.5-1.5,Mo:0-3.0,Cu:0-1.0,Ni:0-1.5,P≤0.10, S≤0.06
3. Low chrome casting balls
Size: 20mm -120mm
Hardness: HRC45-55; Chrome content: 1-3.5%
Packing: 1. Container Bags 2. Steel Drums
4. Grinding rod
Type A:
Diameter: 60mm - 90mm
Length: 3 Meter-6 Meter
Hardness: 45-55
Chemical Elements: (%)
C:0.52~0.65 Mn: 0.6-1.20; Si: 0.17-0.37; P: 0.035 Max, S:0.035 Max;
Cr: 0.04 Max
Type B:
Diameter: 60mm - 90mm
Length: 3 Meter-6 Meter
Hardness: 45-55
Chemical Elements (%):
C: 0.72-0.82; Mn: 0.7-0.8; Si: 0.17-0.37; P: 0.035 Max, S:0.035
Max; Cr: 0.28-0.60
Should any of these items be of interest to you, please let us
know. We will be happy to give you a quotation upon receipt of your
detailed requirements.
shandong huamin forged grinding steel ball joint-stock co.,ltd