Product Title

1. Product Overview

2. Core Advantages of Heavy Duty Roller Chains

1. Enhanced Structural Design

   Thickened inner & outer link plates, oversized solid pins, precision bushes and heavy-duty rollers greatly increase the chain’s load capacity, effectively resist stretching, deformation and fracture under sustained heavy pressure and frequent shock loads.

2. Professional Heat Treatment

   All key components adopt carburizing quenching and tempering integrated processing. High surface hardness ensures excellent wear resistance; the core maintains good toughness to avoid brittle cracking under sudden impact.

3. Superior Fatigue Performance

   Stable internal stress after precise machining and heat treatment. Long service life under cyclic heavy load operation, low elongation rate during long-term running.

4. Two End Connection Styles Optional

   Available in riveted type and cottered type. Cottered design allows convenient disassembly, length adjustment and on-site maintenance; riveted structure offers higher overall tightness for uninterrupted long-hour operation.

5. Customizable Surface Treatment

   Anti-rust oil dipping, hot-dip galvanizing, nickel plating, black oxide finishes are optional for dusty, wet, acidic and corrosive working surroundings.

3. Available Specifications

• Executive Standards: ISO 606, ANSI B29.1 Heavy Series Standard

• Arrangement: Simplex, Duplex, Triplex

• Complete Sizes: 80H, 100H, 120H, 140H, 160H and other heavy-duty models

• Pitch: 12.7mm ~ 50.8mm

• Surface Treatment: Anti-rust oil, galvanized, nickel-plated, blackening

• Packing: Plastic spool + export carton

• MOQ: Small orders & sample testing are acceptable for stocked items

4. Wide Application Range

• Mining machinery: Mine scraper conveyors, ore transporting equipment

• Construction machinery: Hoists, concrete mixers, engineering lifting devices

• Metallurgy & steel plants: High-temperature conveying lines, furnace transmission equipment

• Port & dock machinery: Bulk cargo handling machines, heavy-duty loading conveyors

• Agricultural heavy machinery, timber processing equipment, waste recycling conveying lines

• All kinds of heavy-load industrial transmission equipment

5. Our Factory Strength

1. Professional heavy-duty chain manufacturer with independent heat treatment workshop, full CNC production lines, direct factory competitive price without middlemen markup

2. Strict pre-delivery inspection: Ultimate tensile test, fatigue test and wear test are carried out for each batch to guarantee consistent quality

3. Large inventory of standard heavy chains for quick shipment; customized length, special materials and surface finishes are supported

4. Professional engineering team can select matched chain models according to your working load, speed and environment requirements

5. Products exported to Europe, America, Southeast Asia, Middle East and other global industrial markets

6. Frequently Asked Questions

1. When should I choose heavy duty roller chains instead of standard chains?

   Pick heavy-duty chains if your equipment bears large static load, frequent impact load, low running speed or works in dusty/gritty harsh environments.

2. Can you customize chains with special lengths?

   Sure, we can cut chains into any required length and equip matched connecting links according to your demands.

3. Which surface treatment suits outdoor humid environments?

   Hot-dip galvanized treatment is recommended for outstanding rust-proof performance outdoors.

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