Products

Grinding balls

Grinding balls

Grinding balls

HS code / Customs
732611

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

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

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