High Chrome Cast Grinding Ball Chrome Steel Ball for Industrial Use
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Product Highlights
- High Chrome Composition: Chromium content ranges from 12% to 28% for superior wear resistance.
- Customizable Specifications: Available in sizes 10-150mm with customizable heat treatment and hardness.
- Cost Effective: Offers the lowest cost per ton in high-chromium formulations (Cr > 18%).
- Long Service Life: Chromium carbides in martensitic matrix ensure excellent wear resistance.
- ISO 9001 Certified: Manufacturing process complies with international quality management standards.
- Versatile Applications: Ideal for cement clinker grinding and mining high-abrasion ores.
- Flexible Customization: Supports full customization from samples, designs, and minor adjustments.
Product Attributes
- Customization
- Available
- Material
- Stainless Steel
- Content
- 60% ~ 65%
- Model NO.
- RJ-2991
- Usage
- Grind
- Processing Type
- Rolling Type
- Size
- 10-150mm
- Color
- Black
- Customized
- Customized
- Heat Treatment
- Oil Quenching+Tempering
- Hardness
- 45-68HRC
- Advantage
- Long Service Life & Good Wear Resistence
- Certification
- ISO9001
- Transport Package
- Ton Bags or Steel Drums
- Specification
- 1.5-2.5mm, 1.1-1.5mm
- Trademark
- RONGJIAN
- Origin
- China
- Package Size
- 110.00cm * 100.00cm * 100.00cm
- Package Gross Weight
- 50.000kg
Shipping
- Shipping Cost:
- Contact the supplier about freight and estimated delivery time.
Online Trading Protection
- Payment Guarantee
-
Platform-protected payments with refund support for eligible order issues.
- Platform Logistics
- Clearer shipment tracking with platform-supported logistics.
- Inspection Service
- Optional pre-shipment inspection for quality and quantity checks.
- After-Sales & Dispute Handling
- Platform-assisted dispute resolution, including refunds or returns when applicable.
Only orders placed and paid through Made-in-China.com Secured Trading are eligible for payment protection and the corresponding platform services.
Product Images of High Chrome Cast Grinding Ball Chrome Steel Ball for Industrial Use
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High Chrome Cast Grinding Ball Chrome Steel Ball for Industrial Use -
High Chrome Cast Grinding Ball Chrome Steel Ball for Industrial Use -
High Chrome Cast Grinding Ball Chrome Steel Ball for Industrial Use -
High Chrome Cast Grinding Ball Chrome Steel Ball for Industrial Use -
High Chrome Cast Grinding Ball Chrome Steel Ball for Industrial Use -
High Chrome Cast Grinding Ball Chrome Steel Ball for Industrial Use
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Product Description
Primary alloy: Cr (12-28%)
Microstructure: Chromium carbides (Cr7C3) in martensitic/bainitic matrix
Properties:
Hardness: HRC 58-65 (surface)
Impact toughness: 3-8 J/cm²
Wear mechanism: Hard carbides resist abrasion
Applications:
Cement industry (clinker grinding)
Mining (high-abrasion ores like iron/copper)
Advantage: Lowest cost per ton in high-Cr formulations (Cr > 18%)
Model | Chemical Composition(%) | |||||
C | Si | Mn | Cr | S | P | |
45# | 0.42-0.50 | 0.17-0.37 | 0.5-0.8 | 0.25max | 0.035max | 0.035max |
50Mn | 0.48-0.56 | 0.17-0.37 | 0.6-1.0 | 0.25max | 0.035max | 0.035max |
60Mn | 0.57-0.65 | 0.17-0.37 | 0.7-1.0 | 0.25max | 0.035max | 0.035max |
65Mn | 0.62-0.70 | 0.17-0.37 | 0.9-1.0 | 0.4-0.7 | 0.035max | 0.035max |
B2 | 0.70-0.80 | 0.17-0.37 | 0.7-0.8 | 0.5-0.6 | 0.035max | 0.035max |
B3 | 0.58-0.66 | 1.60-1.90 | 0.65-0.8 | 0.7-0.9 | 0.035max | 0.035max |
Headquarters: Xiangdong District Industrial Park, Pingxiang City, Jiangxi Province, China
Core Capabilities
Advanced Manufacturing: Custom-designed towers and systems in ceramic, metal, and plastic materials.
Comprehensive Product Portfolio: 200+ specifications including:
• Ceramic/metal/plastic packing materials
• Molecular sieves & activated alumina
• Catalysts & petrochemical additives
• Activated carbon & eco-friendly filtration media
Turnkey Services: Full-scale pollution control and wastewater treatment projects.
Corporate Strengths
ISO 9001 Certified - Guaranteed quality management system compliance.
300+ Workforce - Including 100+ specialized engineers and technicians.
30-Acre Production Base - Integrated R&D and manufacturing facilities.
Awards & Innovations
National Science & Technology Achievement Award
Provincial Gold Medal & Famous Brand Product
17 Patented Technologies - Protecting proprietary advancements.
About the Supplier
This supplier has been audited by TÜV Rheinland. Verify the report on the official TÜV Rheinland website with ID "MIC-ASI249998". Items marked "
" are certified.
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Company Profile
Pingxiang Rongjian Environmental Protection Chemical Packing Co., Ltd.
Company Profile
Established in 2010, Pingxiang Rongjian Environmental Protection Chemical Packing Co., Ltd. is a high-tech enterprise specializing in the R&D, production, and sales of chemical packing and environmental protection materials. After 14 years of rapid development, the company has become a leading global supplier of industrial packing materials, with products exported to over 100 countries and regions. We employ more than 300 staff, including nearly 100 technical professionals, forming a highly skilled and experienced R&D and production team.
Corporate Strength & CertificationsAuthorized Certifications: Certified with ISO 9001 Quality Management System, ISO 14001 Environmental Management System, and ISO 45001 Occupational Health & Safety Management System.
Technological Leadership: Holds 17 national patents and has been awarded multiple national-level "High-Quality Product" titles.
Production Capacity: Modern manufacturing facilities with an annual output exceeding 10, 000 tons, capable of meeting large-scale global demand.
Core Products & ApplicationsOur main products include:
Ceramic Packing: Ceramic balls, structured ceramic packing, and random ceramic packing, featuring high-temperature resistance, corrosion resistance, and durability for harsh industrial conditions.
Adsorption & Catalytic Materials: Molecular sieves, catalysts, and activated alumina, widely used in petrochemical and gas purification industries.
Environmental Filtration Media: Activated carbon and filtration materials for wastewater and exhaust gas treatment.
Metal & Plastic Packing: Lightweight and corrosion-resistant structured/random packing for diversified industrial needs.
These products are extensively applied in domestic industries such as power generation, petroleum, chemical processing, metallurgy, environmental protection, and pharmaceuticals, as well as in high-end sectors including aerospace. They are also exported to Europe, North America, Southeast Asia, the Middle East, and other global markets, earning long-term trust from customers for their superior quality.
Quality & Service CommitmentAdhering to the principle of "Quality First, Innovation Driven, " we implement strict quality control from raw material selection to production, ensuring stable and reliable product performance. We provide customized solutions, technical consultation, and after-sales support to deliver lasting value to our clients.
Vision for the Future
Rongjian Environmental Protection will continue to innovate in the field of industrial packing materials, promoting sustainable industrial development through advanced technology, and striving to become the most trusted global partner for our customers.
About Our Factory & Business Background
- Address
- No. 1-269, Zone B, Xiangdong Industrial Park, Xiangdong District, Pingxiang, Jiangxi, China
-
Terms of Payment
- T/T, Western Union
- International Commercial Terms(Incoterms)
- FOB, EXW, CIF, DAP, FCA
- Average Lead Time
-
Peak Season Lead Time: within 15 workdays
Off Season Lead Time: within 15 workdays -
Nearest Port
- Shanghai Port
-
Minimum Order Quantity
- 1 Ton
-
Supply Chain Partners
- 1
Our Production Capability & Technical Expertise
- Main Products
- Ceramic Ball, Pall Ring, Molecular Sieve, Honeycomb Ceramic, Activated Alumina, Structured Packing, Metal Random Packing, Plastic Random Packing, Ceramic Random Packing
-
Production Lines
- 2
-
Production Machines
- Furance, Electric Kiln, Drying Furnace, Screening Machine
-
QA/QC inspectors
- 3 people
-
Inspection Type for Finished Products
- Random inspection(Visual inspection & Function inspection)
-
Inspection Method for Finished Products
- Have instruction but no written records
-
Customization Options
- Customization from Samples, Customization from Designs, Full Customization, Minor Customization, Flexible customization
-
OEM Service Available
- Yes
-
R&D Engineers
- 5 people
-
Traceability of Raw Materials
- Yes
Our Industry Experience & Global Business Record
-
Export Year
- 1 Years
- Main Markets
- North America, South America, Eastern Europe, Southeast Asia, Africa, Eastern Asia, Western Europe
-
Repeat Buyers Choice
- 50%~80%
-
Number of Foreign Trading Staff
- 5
-
Overseas Agent/Branch
- No
-
New Products Launched in Last year
- No
Our Certifications, Standards & Industry Recognition
-
Management System Certification
- ISO9001:2015, ISO14001, ISO45001:2018
FAQ
- What is the minimum order quantity?
- The minimum order quantity is 1 Ton.
- What are the available sizes for the grinding balls?
- The grinding balls are available in sizes ranging from 10mm to 150mm.
- Can the product be customized?
- Yes, we offer full customization, minor customization, and flexible customization from samples or designs.
- What is the lead time for production?
- The average lead time is within 15 workdays for both peak and off-peak seasons.
- What payment terms do you accept?
- We accept T/T and Western Union as payment terms.
- Which industries can use these grinding balls?
- They are widely used in the cement industry for clinker grinding and in mining for high-abrasion ores like iron and copper.
- What certifications does the company hold?
- The company is ISO 9001:2015, ISO14001, and ISO45001:2018 certified.
- What is the hardness range of the grinding balls?
- The hardness can be customized between 45-68HRC, with a standard surface hardness of HRC 58-65.
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