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Forged Steel X458 Chains ANSI/ASME Standard for Mining / Trolley Chains

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Qingdao Sande Technology Co., LTD
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Province/State:shandong
Country/Region:china
Contact Person:Mstian
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Forged Steel X458 Chains ANSI/ASME Standard for Mining / Trolley Chains

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Brand Name :Qingdao Sande Tech Co.,Ltd
Model Number :OEM
Certification :ISO, DIN, AISI, ASTM, BS, JIS, etc.
Place of Origin :Qingdao, China
MOQ :100pcs
Price :$0.5-2
Payment Terms :D/P,T/T,Western Union
Supply Ability :10000PCS/month
Delivery Time :30 days
Packaging Details :Wooden case
Link Length :2.5 inches
Standard :ANSI/ASME
Link Width :1.5 inches
Tensile Strength :Strong, Strong
Application :Mine Machinery
Link Diameter :0.5 inches
Usage :For Overhead Conveyor
Service :investment casting, machining,finishing
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X458 Forged Steel Chains - Professional Manufacturer Of Mining & Trolley Chains

Product Overview

As a leading manufacturer of industrial forged chains, our X458 Series delivers 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

X458 Forged Chain 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) 45-50 HRC (core) Custom zone hardening
55-60 HRC (wear faces) 50-55 HRC (contact areas)
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

Forged Steel X458 Chains ANSI/ASME Standard for Mining / Trolley Chains

Forged Steel X458 Chains ANSI/ASME Standard for Mining / Trolley Chains

FAQ

1. 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

2. 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

3. Can you match our existing chain specifications?

Yes, we replicate:

  • 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

4. 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)

5. 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

6. 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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