OEM&ODM Factory Forged Grinding Steel Media Ball for Mining and Cement

• Customization: Available
• Material: 60mn; B2;B3; B4
• Content: >90%
• Model NO.: 20-150mm
• Usage: Construction, Machinery, Grind, Refractory Material
• Processing Type: Forged
• Size: 20mm to 150mm
• Color: Black
• Customized: Non-Customized
• Product Name: Forged Steel Ball
• B2 Cr: 0.2-0.6
• Surface Hardness: Greater or Equal to 60 HRC
• Core Hardness: Greater or Equal to 55 HRC
• Packaging Details: Iron Drum/Ton Bag
• Standard: ISO9000
• Application 2: Cement Plant
• Application 3: Power Station
• Transport: Sea
• Experience: 17 Years
• Application3: Enegy Factory
• Business Type: Factory
• Transport Package: Drum/Ton Bag
• Specification: 20 25 30
• Trademark: JUNDA
• Origin: China
• HS Code: 7326110000
• Production Capacity: 5000tons/Month
• Package Size: 75.00cm * 75.00cm * 70.00cm
• Package Gross Weight: 1002.000kg

Product Description

Product Description

Forged Grinding Steel Media Balls for Mining and Cement Ball Chinese Company
Update:March 31st, 2026


Introduction of the Forged steel balls
Size: Dia20- 150mm
Material: C45, 60Mn, 65Mn, 40Cr 42 Crmo,B2,B3, B6
Hardness: C45:48-55HRC, 60Mn:57-61HRC,
                   B2:60-64HRC, B3:62-65HRC, B6:62-65HRC
JUNDA company produces φ20 to φ 150 forged steel balls ,select high quality round steel,low-carbon alloy ,high manganese steel,high carbon and high manganese alloy steel as raw material produced by air hammer forging process.
We select high-quality round steel as raw materials, and adopts advanced equipment, unique heat treatment process and strict quality control system to make our forged steel balls have a better performance in the overall hardness, surface hardness up to 58-65HRC, volume hardness up to 56-64HRC.
The hardness distribution is uniform, the impact toughness value is 12J/cm2,and the crushing rate is far less than 1%. Forged steel ball chemical composition: carbon content in 0.4-0.85, manganese content in 0.5-1.2, chromium content in 0.05-1 2.
We can product different size according to customer's request.

TECHNICAL PARAMETERS OF FORGING STEEL BALL

Technical parameters of forging steel ball

Inch

Size

T weight

Tolerance(mm)

Material

Surface hardness(HRC)

Volume hardness(HRC)

3/4"

D20mm

0.037+/-0.005

2+/-1

B2

63-66

63-66

1"

D25mm

0.072+/-0.01

2+/-1

B2

63-66

63-66

11/4"

D30mm

0.13+/-0.02

2+/-1

B2

63-66

63-66

11/2"

D40mm

0.30+/-0.04

2+/-1

B2

62-66

62-66

2"

D50mm

0.6+/-0.05

2+/-1

B2

62-65

61-64

21/2"

D60mm

1.0+/-0.05

2+/-1.5

B2

62-65

60-62

21/2"

D65mm

1.3+/-0.05

2+/-1.5

B2

61-64

60-62

21/2"

D65mm

1.3+/-0.05

2+/-1.5

B3

61-63

60-62

3"

D75mm

2.0+/-0.06

3+/-2

B3

61-63

60-62

3"(Hot rolled)

D80mm

2.0+/-0.06

3+/-2

B3

60-63

60-62

3"(Forged)

D80mm

2.1+/-0.06

3+/-2

B3

60-62

53-57

31/2"

D90mm

3.0+/-0.07

3+/-2

B3

60-63

59-62

4"

D100mm

4.1+/-0.15

3+/-2

B3

60-63

59-62

4.5"

D115mm

6.3+/-0.15

3+/-2

B3

60-63

57-60

5"

D125mm

8.1+/-0.3

3+/-2

B3

59-62

55-60

Chemical composition

C%

Si%

Mn%

Cr%

P%

S%

Ni%

B2

0.72-1.03

0.15-0.35

0.3-1.2

0.2-0.6

≤0.035

≤0.035

i≤0.25

B3

0.53-0.88

1.2-2.00

0.50-1.20

0.7-1.20

≤0.035

≤0.035

i≤0.25

TEST AND PACKAGE

COMPANY INTRODUCTION
Junda forged steel ball, relied on advanced equipment and production technology, our forged steel ball has the advantages of high hardness, good technology, our forged steel ball has the advantages of high hardness, good wear resistance, no fracture, uniform wear and so on.
The forged steel ball Mainly used in various mines, cement plants, power stations, chemical industry and other industries. In order to ensure the excellent performance of grinding ball, we have established a perfect quality testing system, advanced quality control and testing equipment.


Q1:What's the delivery time?
A : 5-10 work days after receiving client's payment
 
Q2: What's package?
A: wooden box packaging
 
Q3: Do you have any timely technology supports?
A: we have a professional technology supporting team for your timely services. We prepare the technical documents for you, also
you can contact us by telephone, online chat (whats, skype, phone).
 
Q4: What's the payment method?
A: T/T, WESTERN UNION, MONEY GRAM,LC...
 
Q5: How to ensure that I received the machine undamaged?
A: At first , our package is standard for shipping, before packing, we will confirm product undamaged, otherwise, please contact
within 2days. Because we've bought insurance for you, we or shipping company will be responsible!

If any need, please do not hesitate to contact us!
D20mm forging steel ball  D25mm forging steel ball  D30mm forging steel ball  D40mm forging steel ball
D50mm forging steel ball