Chain
Your Professional Chain Supplier
As a leading chain manufacturer with 28+ years of experience, Huihuang Chains offers high-precision drive chains, conveyor chains, and custom industrial chains engineered for extreme wear resistance, high tensile strength, and demanding environments. Certified to ISO 9001, DIN, and ANSI standards.
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Product Features
High Tensile Strength & Load Capacity
Engineerd with high-grade alloy steel and optimized heat treatment, withstands extreme breaking loads and high shock loads.
Superior Wear & Fatigue Resistance
Precision-machined pins and bushings reduce friction, delivering extended operational service life under continuous operation.
Exceptional Corrosion & Heat Resistance
Optional surface treatments (Zinc-plated, Nickel-plated, Dacromet) and stainless steel options (304/316) for severe working environments.
Precise Pitch Consistency
CNC automated assembly ensures ultra-tight pitch tolerances, preventing chain elongation and sprocket wear.
Product Specification
|
Specification Parameter |
Standard Range / Capability |
|
Chain Standard |
ANSI, DIN, ISO, BS, JIS |
|
Material Options |
Carbon Steel (45Mn, 40Cr), Stainless Steel (304, 316, 310S), Alloy Steel |
|
Surface Treatment |
Shot Peening, Zinc Plated, Nickel Plated, Dacromet, Black Oxide |
|
Pitch Size Range |
6.35 mm to 200+ mm (Custom sizes available) |
|
Working Temperature |
-20°C to +400°C (High-temp options available) |
|
Attachment Types |
A1, A2, K1, K2, Extended Pins, Custom Attachments |
Applications
Heavy Industry & Mining
Heavy-duty drive and drag chains for conveyors, crushers, and bulk material handling systems.
01
Automotive & Manufacturing Lines
High-precision pitch timing and conveyor chains for automated assembly lines.
02
Agriculture & Harvesting
Durable, dirt-resistant chains designed for combine harvesters and balers operating in abrasive environments.
03
Food Processing & Packaging
Stainless steel, lube-free, and FDA-compliant chains engineered for high-hygiene applications.
04
Logistics & Material Handling
Reliable roller and elevator chains for warehouses, forklifts, and vertical lifts.
05
Craftsmanship Key Highlights
Precision Stamping & Forging
High-tonnage stamping presses ensure consistent plate dimensions and hole concentricity.
Advanced Heat Treatment
Continuous mesh belt furnaces provide uniform carburizing, quenching, and tempering for optimal core toughness and surface hardness.
Shot Peening Technology
Increases fatigue strength by generating compressive residual stress on chain plates and rollers.
Step-by-Step Process
Raw Material Inspection: Spectrochemical and tensile testing of steel coils/bars.
Precision Machining: CNC turning for pins, bushings, and rollers; automatic punching for link plates.
Heat Treatment: Controlled carburizing, hardening, and tempering.
Surface Finishing: Shot peening, tumbling, and anti-corrosion plating.
Automatic Assembly: Robotic insertion and riveting for perfect pitch consistency.
Pre-Stretching & Testing: 100% pre-loading to minimize initial elongation before packaging.
Why Choose Us vs. Standard Chains
|
Comparison Metric |
Standard Market Chains |
Huihuang Industrial Chains |
|
Material Quality |
Recycled or standard carbon steel |
Prime certified alloy/stainless steel |
|
Heat Treatment |
Basic batch heat treatment |
Computerized continuous mesh belt furnace |
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Wear Life |
Standard service cycle |
Up to 30-50% longer fatigue life |
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Customization |
Standard sizes only |
OEM/ODM custom attachments & pitch designs |
Maintenance & Precautions
Maintenance Tips
Lubrication: Regularly apply non-detergent petroleum-based or synthetic lubricants directly between link plates and over bushings.
Tension Adjustment: Check chain sag periodically; maintain acceptable mid-span slack (2–3% of center distance).
Alignment: Ensure sprockets are parallel and coplanar to avoid uneven side plate wear.
Precautions for Use
Do not exceed the maximum allowable load (MAL) to prevent sudden fatigue failure.
Avoid mixing old and new chains on the same drive setup, as mismatched pitch will accelerate wear.
Use specialized corrosion-resistant or stainless steel chains when working in acidic, saline, or ultra-high-temperature environments.
How To Cooperate With Us
Inquiry & Requirement Analysis
Send us your drawings, CAD files, or technical specs.
01
Technical Proposal & Quote
Our engineering team provides optimized solutions within 24 hours.
02
Sample Verification
Prototype manufacturing and laboratory testing.
03
Batch Production
Automated production with full quality control tracking.
04
Global Logistics & Delivery
Flexible Shipping terms (FOB, CIF, DDP) with custom export packaging.
05
Our Services: Pre-sales, After-sales & Support
Pre-Sales Consulting
Free technical analysis, CAD drawing confirmation, and material selection support.
Custom OEM/ODM
Tailored attachment designs, non-standard pitch engineering, and custom branding/packaging.
After-Sales Support
Installation guidelines, operational troubleshooting, and a 12-month quality guarantee.
Certifications
ISO 9001:2015 Quality Management System, CE Certificate, RoHS Compliance, DIN/ANSI Standard Verification.
Factory & Equipment Showcase
We own advanced precision production and testing equipment：
Mesh Belt Heat Treatment Lines
Automatic Chain Assembly Machines
High-Precision CNC Machining Centers
Digital Tensile Strength & Hardness Testers
FAQ
Q: Are you a direct chain manufacturer or a trading company?
A: We are a direct industrial chain manufacturer with our own forging, machining, heat treatment, and assembly workshops.
Q: Can you manufacture chains according to ANSI, DIN, or ISO standards?
A: Yes, all our chains strictly comply with international standard dimensions and breaking load specifications, including ANSI, DIN, ISO, and BS.
Q: Do you offer custom chain design and OEM services?
A: Yes, we specialize in OEM/ODM production, developing custom pitches, specialized attachments, and unique material alloys based on your drawings.
Q: What materials are available for your industrial chains?
A: We utilize high-grade carbon steel, alloy steel (e.g., 40Cr, 20CrMnTi), and stainless steel (SUS304, SUS316, SUS310S).
Q: How do you guarantee the quality and fatigue strength of your chains?
A: We implement strict raw material inspection, computerized heat treatment, shot peening, and 100% pre-stretching testing prior to delivery.
Q: What surface treatments can you apply to resist rust and corrosion?
A: Options include natural oiled, black oxide, zinc plating, nickel plating, Dacromet coating, and specialized anti-rust treatments.
Q: What is the typical lead time for standard and custom orders?
A: Standard chains are shipped within 7–15 days; custom OEM orders typically take 30–45 days depending on tooling requirements.
Q: Do you provide samples for technical evaluation before bulk orders?
A: Yes, we provide sample pieces and material test reports (MTRs) for client approval before full-scale manufacturing.
Q: What is your Minimum Order Quantity (MOQ)?
A: We offer flexible MOQs: standard chains usually require 100 meters, while trial orders for custom chains can be negotiated.
Q: How do I select the right chain for my heavy-duty conveyor system?
A: Our engineers evaluate your operating speed, load weight, environmental temperature, and corrosive factors to recommend the optimal chain specification.
Q: Why is pre-stretching important during the chain manufacturing process?
A: Pre-stretching eliminates initial run-in elongation, ensuring tight pitch tolerances and minimizing system adjustments after installation.
Q: Can your chains operate in high-temperature or corrosive environments?
A: Yes, we offer heat-resistant alloy chains and stainless steel chains suitable for extreme temperatures up to 400°C and chemical exposure.
Q: How are your chains packaged for international sea freight export?
A: Chains are packed in anti-rust oiled bags, placed inside sturdy plywood cases or reinforced steel reels to prevent shipping damage.
Q: Do you supply matching sprockets alongside your industrial chains?
A: Yes, we manufacture precise matching sprockets in hub, plate, and custom designs to ensure seamless chain-sprocket engagement.
Q: How can I identify the wear status and replacement timing for my chain?
A: A chain should be replaced when elongation due to pin/bushing wear reaches 1.5% to 2% of its original total length.
Q: What type of chain lubrication do you recommend for heavy-duty setups?
A: We recommend high-viscosity mineral or synthetic oils that can penetrate the pin-bushing joints, applied via drip or bath methods.
Q: Can you provide third-party inspection reports before shipment?
A: Yes, we cooperate with third-party testing agencies like SGS, BV, and TÜV upon client request.
Q: What are your accepted international payment terms?
A: We accept T/T, L/C at sight, D/P, and Western Union for sample orders.
Q: How do you handle after-sales quality claims?
A: In the rare event of a quality defect, our engineering team responds within 24 hours to provide free product replacement or technical compensation.
Q: How can I get a fast and accurate quote for custom chains?
A: Send your pitch dimensions, attachment drawings, required quantity, and operating conditions directly to our engineering team via our online form or email.
Anhui Huihuang Chain Transmission Co., Ltd. is one of the most professional chain manufacturers and suppliers in China, also supports high quality customized service. Please feel free to buy discount chain made in China here from our factory. Welcome to contact us for pricelist and free sample.