X458 Forged Steel Chains 14-50mm Diameter with 800-1200 MPa Tensile Strength for Mining and Trolley Applications
Price:
$0.5-2
MOQ:
100pcs
Delivery Time:
30 days
Brand:
Qingdao Sande Tech Co.,Ltd
Product Description
Product Overview
X458 Forged Steel Chains deliver superior strength, wear resistance, and durability for demanding mining and trolley applications. Precision-forged from alloy steel and optimized through advanced heat treatment, these chains outperform standard welded chains in service life, safety, and total cost of ownership.
Key Features & Benefits
Premium Material & Construction
- Forged Alloy Steel: 42CrMo4 / 20MnCr5 (Custom Grades Available)
- Tensile Strength: 800-1,200 MPa (Heat-Treated)
- Fatigue Life: 3x Longer Than Welded Chains (ISO 1834 Certified)
Precision Manufacturing
- Closed-Die Forging: Optimized Grain Flow for Maximum Impact Resistance
- Dimensional Accuracy: ±0.2mm Pitch Tolerance (DIN 5685 Standard)
- Surface Hardness: HRC 50-55 (Induction Hardened Wear Surfaces)
Enhanced Durability
- Abrasion Resistance: Tungsten Carbide Overlay Option for Mining
- Corrosion Protection: QPQ Nitriding / Hot-Dip Galvanizing
- Temperature Range: -40°C to +200°C
Customization Options
- Attachments: Forks, Hooks, or Custom Links for Trolley Systems
- Surface Treatments: Black Oxide, Powder Coating, or Laser Marking
- Certifications: MSHA, CE, DNV, or OEM-Specific Standards
Applications
- Mining: Drag Chains, Scraper Chains, Conveyor Systems
- Trolley Systems: Overhead Cranes, Assembly Lines, Material Handling
- Heavy Industry: Steel Plants, Cement Mills, Port Equipment
Technical Specifications
| Parameter | Mining Chain Series | Trolley Chain Series | Custom OEM Options |
|---|---|---|---|
| Material Standard | DIN 17200/EN 10083-1 | DIN 5685/ISO 1834 | ASTM A391/AISI 4140+ |
| Chain Diameter | 14-50mm (±0.3%) | 10-32mm (±0.2%) | 8-60mm (±0.15%) |
| Pitch Length | 3-12×D (D=chain diameter) | 2-8×D | Custom pitch configurations |
| Tensile Strength | 800-1200 MPa (HT) | 700-1100 MPa (HT) | Up to 1400 MPa (Maraging) |
| Proof Load | 2×WLL* | 2.5×WLL | 3-4×WLL (safety critical) |
| Surface Hardness | 50-55 HRC (core) 55-60 HRC (wear faces) |
45-50 HRC (core) 50-55 HRC (contact areas) |
Custom zone hardening |
| Impact Toughness | 35J @ -20°C | 40J @ 0°C | 30J @ -60°C (arctic grade) |
| Temperature Range | -40°C to +250°C | -30°C to +150°C | -60°C to +400°C (special) |
| Wear Resistance | 300% vs. DIN 764 standard | 250% vs. ISO 1834 | Tungsten carbide overlay |
| Corrosion Protection | QPQ nitriding (30μm) | Zinc-nickel plating (15μm) | HVOF coating available |
| Testing Standards | ISO 15654 (fatigue) | DIN 685 (dynamic) | Customer-specified protocols |
| Certifications | MSHA, ATEX | CE, OSHA | DNV, ABS, Lloyd's Regi |
Frequently Asked Questions
Why choose forged chains over welded/rolled alternatives?
- 3× Longer Service Life: Directional grain flow resists crack propagation
- Higher Safety Factors: No weld seams (common failure points in drag chains)
- Proven in Mining: Withstand 50% more impact energy than DIN 764 standard
What makes the X458 series suitable for extreme conditions?
| Feature | Mining Benefit | Trolley Benefit |
|---|---|---|
| Material | 42CrMo4 alloy (850-1200MPa TS) | 20MnCr5 (optimized for fatigue) |
| Surface Treatment | QPQ nitriding (30μm) | Zinc-nickel plating (15μm) |
| Temperature Range | -40°C to +250°C | -30°C to +150°C |
Can you match our existing chain specifications?
- Dimensions: Provide samples or drawings for 1:1 reproduction
- Performance: Reverse-engineer failed chains to improve lifespan
- Certifications: Meet MSHA, CE, DNV, or OEM-specific standards
How do your lead times compare to industry standards?
- Standard Orders: 8-10 weeks (including heat treatment & testing)
- Emergency Production: 4-6 weeks (+20% fee, uses reserved billet stock)
Do you offer wear-resistant upgrades?
- Standard: Induction-hardened wear faces (55-60 HRC)
- Premium: Tungsten carbide overlay (+400% abrasion resistance)
- Custom: Hardfacing patterns for specific contact zones
What's your production capacity?
- Monthly Output: 500+ metric tons
- Max Single Piece: 150kg (hammer forged)
- Tooling Capability: 60+ die sets for quick changeovers
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Qingdao Sande Technology Co., LTD
Location
South Building, China-South Korea Maker Industrial Park, Chengyang District, Qingdao City, Shandong Province
Contact Person
tian