Products
Grinding balls
Grinding balls
Packing: 1’000 KG net UN-approved PP/PE big bags / drums
Origin: Ukraine
Application:
Steel balls are grinding bodies who are used in mills for crushing ore and non-metallic minerals and other materials
TECHNICAL DATA SHEET
FOR BALLS 30 mm
1. DESCRIPTION OF THE PRODUCT
Specifications |
Indicators |
Type of balls |
30 mm |
Size - diameter (mm) |
31.5 ±2.0 |
Weight (kg) ±5% |
0,128 |
Sort |
rolled |
Surface hardness (HRC) |
60-64 |
Volume hardness (HRC) |
60-64 |
2. CHEMICAL COMPOSITION
The chemical composition of the steel for balls with a diameter of 100 mm is presented in Table
Weight percentage of the chemical elements, % |
|||||
C |
Mn |
Si |
Cr |
S |
P |
0,60-0,80 |
0,60-0.70 |
0.17 - 0.37 |
up to 0.50 |
max 0.04 |
max 0.035 |
3. TESTING RESULTS
Hardness tests are carried out on the device HRA-2 No0018. Hardness tests are carried out in accordance with GOST 9013-59 on a scale "C" on the surface of the samples on two parallel platforms, remote from the surface of the ball to the depth of the radius. The range of hardness that we produce balls is presented in table
No |
Name |
mm |
Average hardness of the batch, HRC |
Volume, HRC |
||||
Surface |
0,25R |
0,5R |
0,75R |
center |
||||
1 |
Ball |
31.5±2.0 |
60-64 |
60-64 |
60-64 |
60-64 |
60-64 |
60-64 |
TECHNICAL DATA SHEET
FOR BALLS 50 mm
1. DESCRIPTION OF THE PRODUCT
Specifications |
Indicators |
Type of balls |
50 mm |
Size - diameter (mm) |
52 ±3.0 |
Weight (kg) ±5% |
0,58 |
Sort |
rolled |
Surface hardness (HRC) |
55-65 |
Volume hardness (HRC) |
55-65 |
2. CHEMICAL COMPOSITION
The chemical composition of the steel for balls with a diameter of 100 mm is presented in Table
C |
Mn |
Si |
Cr |
S |
P |
0,54-0,60 |
0,70-1.00 |
0.17 - 0.37 |
up to 0.50 |
max 0.04 |
max 0.035 |
3. TESTING RESULTS
Hardness tests are carried out on the device HRA-2 No0018. Hardness tests are carried out in accordance with GOST 9013-59 on a scale "C" on the surface of the samples on two parallel platforms, remote from the surface of the ball to the depth of the radius. The range of hardness that we produce balls is presented in table
No |
Name |
mm |
Average hardness of the batch, HRC |
Volume, HRC |
||||
Surface |
0,25R |
0,5R |
0,75R |
center |
||||
1 |
Ball |
52±3.0 |
55-65 |
55-65 |
55-65 |
55-65 |
55-65 |
55-65 |
TECHNICAL DATA SHEET
FOR BALLS 80 mm
1. DESCRIPTION OF THE PRODUCT
Specifications |
Indicators |
Type of balls |
80 mm |
Size - diameter (mm) |
83 ±3.0 |
Weight (kg) ±5% |
2,35 |
Sort |
rolled |
Surface hardness (HRC) |
52-58 |
Volume hardness (HRC) |
51-56 |
2. CHEMICAL COMPOSITION
The chemical composition of the steel for balls with a diameter of 80 mm is presented in Table
Weight percentage of the chemical elements, % |
|||||
C |
Mn |
Si |
Cr |
S |
P |
0,54-0,60 |
0,70-1.00 |
0.17 - 0.37 |
up to 0.50 |
max 0.04 |
max 0.035 |
3. TESTING RESULTS
Hardness tests are carried out on the device HRA-2 No0018. Hardness tests are carried out in accordance with GOST 9013-59 on a scale "C" on the surface of the samples on two parallel platforms, remote from the surface of the ball to the depth of the radius. The range of hardness that we produce balls is presented in table
No |
Name |
mm |
Average hardness of the batch, HRC |
Volume, HRC |
||||
Surface |
0,25R |
0,5R |
0,75R |
center |
||||
1 |
Ball |
83±3.0 |
52-58 |
50-56 |
43-53 |
42-44 |
40-43 |
51-56 |
TECHNICAL DATA SHEET
FOR BALLS 100 mm
1. DESCRIPTION OF THE PRODUCT
Specifications |
Indicators |
Type of balls |
100 mm |
Size - diameter (mm) |
104±4.0 |
Weight (kg) ±5% |
4.620 |
Sort |
rolled |
Surface hardness (HRC) |
55-60 |
Volume hardness (HRC) |
45-60 |
2. CHEMICAL COMPOSITION
The chemical composition of the steel for balls with a diameter of 100 mm is presented in Table
Weight percentage of the chemical elements, % |
|||||
C |
Mn |
Si |
Cr |
S |
P |
0,60-0,80 |
0,60-1.2 |
0.17 - 0.37 |
up to 0.50 |
max 0.04 |
max 0.035 |
3. TESTING RESULTS
Hardness tests are carried out on the device HRA-2 No0018. Hardness tests are carried out in accordance with GOST 9013-59 on a scale "C" on the surface of the samples on two parallel platforms, remote from the surface of the ball to the depth of the radius. The range of hardness that we produce balls is presented in table
No |
Name |
mm |
Average hardness of the batch, HRC |
Volume, HRC |
||||
Surface |
0,25R |
0,5R |
0,75R |
center |
||||
1 |
Ball |
104±4.0 |
55-60 |
42-45 |
42-45 |
40-45 |
40-45 |
45-60 |