Qingdao Sande Technology Co., LTD
| Payment Terms | D/P,T/T,Western Union |
| Supply Ability | 10000PCS/month |
| Delivery Time | 30 days |
| Packaging Details | Wooden case |
| Customized Support | OEM |
| Shape | Customer Required |
| Process | Forging |
| Usage | For Overhead Conveyor |
| Heat Treatment | Quenching and Tempering |
| Standard Or Nonstandard | Standard |
| Brand Name | Qingdao Sande Tech Co.,Ltd |
| Model Number | OEM |
| Certification | ISO, DIN, AISI, ASTM, BS, JIS, etc. |
| Place of Origin | Qingdao, China |
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Product Specification
| Payment Terms | D/P,T/T,Western Union | Supply Ability | 10000PCS/month |
| Delivery Time | 30 days | Packaging Details | Wooden case |
| Customized Support | OEM | Shape | Customer Required |
| Process | Forging | Usage | For Overhead Conveyor |
| Heat Treatment | Quenching and Tempering | Standard Or Nonstandard | Standard |
| Brand Name | Qingdao Sande Tech Co.,Ltd | Model Number | OEM |
| Certification | ISO, DIN, AISI, ASTM, BS, JIS, etc. | Place of Origin | Qingdao, China |
| High Light | Forged Scraper Chain ，Conveyor X348 Chain ，Trolley X348 Chain | ||
X348 Heavy-Duty Forged Scraper Chain - High-Performance Conveyor & Trolley Chains
The X348 Forged Scraper Chain series represents the pinnacle of heavy-duty material handling technology, engineered to withstand the most demanding mining, bulk handling, and industrial trolley applications. Manufactured through precision closed-die forging from premium alloy steels, these chains deliver 3-5× longer service life compared to conventional welded chains while maintaining 30% higher load capacity at equivalent weights.
✅ Superior Material Science
Alloy Options: 42CrMo4 (Standard), 20MnCr5 (High-Toughness), Custom Maraging Steels
Tensile Strength: 900-1,400 MPa (Heat-Treated)
Impact Resistance: 50J Charpy V-Notch @ -20°C
✅ Advanced Forging Technology
Directional Grain Flow: Optimized metal fiber structure for fatigue resistance
Near-Net Shape: Minimizes machining waste (±0.3mm dimensional accuracy)
Surface Enhancement: Shot peening + induction hardening (HRC 55-60 wear surfaces)
✅ Engineered for Extreme Service
Abrasion Resistance: Tungsten carbide overlay available (400% wear life extension)
Corrosion Protection: QPQ nitriding (30μm) or HVOF coating for acidic environments
Temperature Range: -50°C to +300°C (special alloys available)
✅ Smart Configuration Options
Attachment Styles: Universal cleats, flight bars, or custom brackets
Maintenance Features: Self-lubricating bushings, quick-release links
IoT Ready: RFID or strain gauge embedded versions
| Parameter | X348-S (Scraper) | X348-T (Trolley) |
|---|---|---|
| Chain Diameter | 18-60mm | 14-38mm |
| Pitch Length | 50-200mm | 40-150mm |
| Working Load | Up to 400kN | Up to 250kN |
| Wear Rate | <0.1mm/1,000hrs (standard) | <0.05mm/1,000hrs (premium) |
| Certifications | MSHA, ISO 18643 | CE, OSHA, DNV-GL |
Mining: Underground coal scraper conveyors, mineral processing plants
Bulk Handling: Cement/powdered material conveyors, grain elevators
Trolley Systems: Overhead assembly lines, automotive production conveyors
Heavy Industry: Steel mill transfer systems, port loading equipment
Product advantages
1. Unmatched Durability & Longevity
✅ 5-8× Longer Service Life vs. standard welded chains in abrasive mining applications
✅ Directional Grain Flow from closed-die forging prevents crack propagation
✅ Tungsten Carbide Overlay Option delivers 400% wear resistance in high-abrasion zones
2. Superior Load Performance
⚡ 1,400 MPa Tensile Strength (42CrMo4 heat-treated alloy)
⚡ 50J Impact Resistance at -20°C for Arctic/underground operations
⚡ 5:1 Safety Factor exceeds DIN 22258 requirements
3. Precision Engineered Reliability
Company Details
Business Type:
Manufacturer,Exporter,Trading Company,Seller
Year Established:
2018
Employee Number:
>63
Ecer Certification：
Verified Supplier
Qingdao Sande Technology Co., Ltd. is located in Qingdao. We are specialized in manufacturing forging, CNC machining and various surface treatments. We have over 16 years of experience.We have a professional and experienced team of engineers, advanced production and testing equipment, a powerful qua... Qingdao Sande Technology Co., Ltd. is located in Qingdao. We are specialized in manufacturing forging, CNC machining and various surface treatments. We have over 16 years of experience.We have a professional and experienced team of engineers, advanced production and testing equipment, a powerful qua...
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