B2, B3, B4, B6, #45, 60Mn, 65Mn, 50Mn BL, BG BU
Steel
>90%
Machinery, Chemical, Grind, Cement Plant
Forged and Hot Rolled
Middle
Black
Customized
Jinan Zent
Nylon Bags and Steel Drums
Diameter: 20mm- 150mm
Jinan, Shandong Province
73261100
Product Description
1. Products Information
General Information | |
Product Name | Forged Grinding Balls |
HS Code | 73261100 |
Size Range | 10-160mm |
Specification | 45#, 50Mn, 60Mn, 65Mn, B2, B3, B4, B6, BL, BG |
Surface Hardness | 55-66HRC |
Impact Value | >12J/cm2 |
Dropping Test | 10,000-20,000 times |
Packaging | Bags, Steel drums, Containers |
Chemical Composition (%) | ||||||
Steel Specification | C | Mn | Si | Cr | S | P |
60Mn | 0.57-0.65 | 0.70-1.00 | 0.17-0.37 | ≤0.25 | ≤0.035 | ≤0.035 |
65Mn | 0.62-0.72 | 0.90-1.20 | 0.17-0.37 | ≤0.25 | ≤0.035 | ≤0.035 |
B2 | 0.72-0.85 | 0.70-0.90 | 0.17-0.36 | 0.40-0.60 | ≤0.035 | ≤0.035 |
B3 | 0.52-0.65 | 0.40-1.00 | 1.33-1.85 | 0.78-1.20 | ≤0.030 | ≤0.030 |
B4 | 0.65-0.75 | 0.50-0.70 | 1.20-1.40 | 0.85-1.00 | ≤0.025 | ≤0.025 |
B6 | 0.75-0.90 | 0.80-1.02 | 0.17-0.37 | 0.88-0.98 | ≤0.035 | ≤0.035 |
BU | 0.95-1.05 | 0.95-1.05 | 0.15-0.35 | 0.45-0.55 | ≤0.035 | ≤0.035 |
BL | 0.55-0.75 | 0.65-0.85 | 0.15-0.35 | 0.70-1.20 | ≤0.035 | ≤0.035 |
BG | 0.90-1.05 | 0.35-0.95 | 0.15-0.35 | 1.0-1.70 | ≤0.035 | ≤0.035 |
Physical Features | ||||
Steel Specification | Impact Value (J/cm2) | Surface Hardness (HRC) | Core Hardness (HRC) | Diameter (mm) |
60Mn | ≥12 | 55-66 | 45-65 | 10-160 |
65Mn | ||||
B2 | ||||
B3 | ||||
B4 | ||||
B6 | ||||
BU | ||||
BL | ||||
BG |





2. Our Factory
About Us:
Jinan ZenTi Heavy Industry Co., Ltd., a high-tech heavy industry company, was established in 2010 with registered capital of 100 million (RMB). We have two plants, with an annual production capacity of 110,000 tons and more than 150 employees. Our company is a globally engaged forging industry company. In addition, we have participated in many mining exhibitions held in Dubai, Las Vegas, Santiago (Chile), Peru, showcasing our products and technologies. To ensure global product supply and support, we have opened an office in Santiago, Chile, and established multiple distributors worldwide. Our company has occupied the certification of TUV, ISO 9001, ISO 14001 and ISO 45001, and our products have passed the SGS Test.
We are not only a leading manufacturer of fasteners and grinding media, but a technology developer, focusing on R&D investment and industry upgrades.



1.Raw Materials Test→2.Raw Materials Prepare→3.Electric Furnace Heating→4.Forging / Hot Rolling→5.Isothermal Process→6.Quenching→7.Natural Cooling→8.Tempering→9.Products Quality Test→10.Packaging and Storage

About Us:
Jinan ZenTi Heavy Industry Co., Ltd., a high-tech heavy industry company, was established in 2010 with registered capital of 100 million (RMB). We have two plants, with an annual production capacity of 110,000 tons and more than 150 employees. Our company is a globally engaged forging industry company. In addition, we have participated in many mining exhibitions held in Dubai, Las Vegas, Santiago (Chile), Peru, showcasing our products and technologies. To ensure global product supply and support, we have opened an office in Santiago, Chile, and established multiple distributors worldwide. Our company has occupied the certification of TUV, ISO 9001, ISO 14001 and ISO 45001, and our products have passed the SGS Test.
We are not only a leading manufacturer of fasteners and grinding media, but a technology developer, focusing on R&D investment and industry upgrades.




3. Our Clients






4. Production Process







4. Production Process
1.Raw Materials Test→2.Raw Materials Prepare→3.Electric Furnace Heating→4.Forging / Hot Rolling→5.Isothermal Process→6.Quenching→7.Natural Cooling→8.Tempering→9.Products Quality Test→10.Packaging and Storage

5. Products Quality Test
We always place the greatest emphasis on product quality to ensure that our customers receive the best possible product experience. That's why we have developed an efficient and integrated risk control system to ensure that all products are of the highest quality and meet all safety standards. We strive to produce only the best products and services, and we keep up to date with the latest technological advances to ensure that our products are of the highest quality. Our risk control system includes rigorous testing throughout the production process, ensuring that all products meet the highest standards of quality before they reach our customers.
We always place the greatest emphasis on product quality to ensure that our customers receive the best possible product experience. That's why we have developed an efficient and integrated risk control system to ensure that all products are of the highest quality and meet all safety standards. We strive to produce only the best products and services, and we keep up to date with the latest technological advances to ensure that our products are of the highest quality. Our risk control system includes rigorous testing throughout the production process, ensuring that all products meet the highest standards of quality before they reach our customers.

6. Our Suppliers and Vendors

