What is the impact value of the grinding balls?

The impact value exceeds 14j/cm2, making them suitable for heavy-duty applications.

How are the products packaged?

They are securely packed in steel drums (850-930kgs/drum) or flexible container bags (1ton/bag).

What manufacturing processes are used?

Forged balls use air hammer techniques, while hot rolling balls use skew rolling technology with automated production lines.

20mm30mm50mm60mm70mm80mm90mm110mm120mm130mm140mm150mmhot Rolling and Forged Steel Grinding Balls for Mining

Name: 20mm30mm50mm60mm70mm80mm90mm110mm120mm130mm140mm150mmhot Rolling and Forged Steel Grinding Balls for Mining
Brand: Shandong Jinchi Heavy Industry Joint-Stock Co., Ltd
SKU: 2091975052

Shandong, ChinaShandong Jinchi Heavy Industry Joint-Stock Co., Ltd

US$449.00-549.00

1 Ton

Sample price:US$0.10/piece.Request sample

Product profile

Customization

Available

Material

Steel

Content

Steel

Model NO.

1 inch to 5.5 inch

Usage

Grind, Mining

Processing Type

Forged or Hot Rolling

Size

1 Inch to 5.5 Inch

Color

Black

Customized

Hardness

60-65HRC

Breakage

Below 1%

Impact Value

14j Above

Heat

Heat Treated

Density

7.85g

Transport Package

Bag or Drum

Specification

1"-5.5"

Trademark

JINCHI

Origin

Shandong, China

HS Code

7326110000

Production Capacity

100000 Tons Per Year

Key features

Customized Specifications: Customized size from 1 to 5.5 inch and hardness 60-65HRC available.

High Impact Resistance: Impact value exceeds 14j/cm2 for heavy-duty mining applications.

Low Breakage Rate: Breakage rate below 1% ensures durability and reliability.

Extended Service Life: High grinding resistance extends use life by 10-30%.

SGS Certified Quality: Inspection services available before shipment to ensure quality.

Fast Delivery: Delivery within 15-25 days after receipt of prepayment or LC.

Uniform Hardness: Consistent 60-65HRC hardness for stable performance.

Advanced Manufacturing: Produced via air hammer and skew rolling with automated QC.

Company profile

In-stock CapacityFast DeliveryCustomization from SamplesFull Customization

Shandong Jinchi Heavy Industry Joint-Stock Co., Ltd

Shandong, China

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2006-07-07Nearest Port: qingdao tianjinAverage Response Time: ≤7.87h

AI-Powered supplier vetting

SummaryThe supplier is a diversified manufacturer covering mechanical and electrical equipment, metal structures, auto parts, doors and windows, fasteners, metal materials, rubber products, and related sales and import-export activities. It demonstrates broad customization, ODM and OEM capabilities, reported new products within the past year, and maintains quality-control procedures, traceability, complaint-handling procedures, and an independent laboratory. ISO9001, ISO14001, and occupational health and safety certifications are reported. Export activity is substantial, with 90% of total sales from exports and 19 years of exporting experience. However, the supplier has no overseas warehouse, showroom, or overseas agent/branch, no available SDK, and no overseas services reported. Financial information is represented only by years, without sufficient evidence to assess financial credibility.

Supplier typeThe supplier operates as a manufacturer and trader across mechanical and electrical equipment, metal structures, auto parts, doors and windows, fasteners, metal and rubber products, and related import-export activities. Its 19 years of exporting experience and 90% export-sales share indicate an export-oriented manufacturing supplier.

CertificationsThe supplier reports ISO9001 quality certification, ISO14001 environmental certification, and occupational health and safety certification, including ISO45001:2018 in the certification record. These certifications explicitly support formal quality, environmental, and safety management capabilities.

After-Sales capabilityThe supplier has written procedures and records for supplier-service assessment, complaint handling, and corrective and preventive actions, with 11 qualified service-capability suppliers. However, it reports no overseas warehouse, showroom, or overseas agent/branch, and no overseas services, so its international after-sales infrastructure is limited.

R&D capabilityThe supplier reports new products within the past year, provides ODM services, and maintains an independent laboratory with advanced and accurate equipment. However, it has no available SDK, so the evidence supports product-development capability but not software-development integration capability.

Production capacityThe supplier lists multiple manufacturing activities, including mechanical and electrical equipment, metal structures, auto parts, doors and windows, fasteners, and metal daily necessities. Its laboratory, quality assurance, raw-material traceability, and documented quality-control practices support production capability across these categories.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization. It also reports ODM services and OEM services for well-known brands, providing direct evidence of broad customization and contract-manufacturing capability.

Client casesThe supplier states that it provides OEM services for well-known brands and identifies customers in Australia, South Africa, Ghana, Korea, Canada, and the United States. These statements demonstrate international customer exposure, although no specific customer names, projects, or performance details are provided.