A Type Steel Agricultural Chains


| CHAIN NO. | Pitch | Roller diameter | Width between | Pin diameter | Pin length | Plate dimension | Ultimate tensile strength | Average tensile strength | Weight per meter |
| Cadena No | Paso | Diámetro rodillo | Ancho interior | Diámetro pasador | Longitud pasador | Dimensiones de las placas | Resis. rotura | Resis. media tracción | Peso por metro |
| P | d1 max | b1 min | d2 max | L max | Lc max | h2 max | T max | Q min | Qp | q |
| mm | mm | mm | mm | mm | mm | mm | mm | KN/LB | KN | kg/m |
| A550 | 41.40 | 16.87 | 19.81 | 7.19 | 35.0 | 38.0 | 19.3 | 2.80 | 39.10/8886 | 51.2 | 1.79 |
| A555 | 41.40 | 16.87 | 12.70 | 7.19 | 29.1 | 32.0 | 19.3 | 3.10 | 39.10/8886 | 56.0 | 1.60 |
| A557 | 41.40 | 17.78 | 20.24 | 8.00 | 37.4 | 40.6 | 23.1 | 3.10 | 55.61/12639 | 74.3 | 2.45 |
| A620 | 42.01 | 17.91 | 24.51 | 7.19 | 41.8 | 45.2 | 20.2 | 3.25 | 39.10/8886 | 55.1 | 2.18 |
Our A Type Steel Agricultural Chains are purpose-built transmission solutions engineered to excel in the harsh, high-load operating conditions of modern farming and agricultural machinery. Crafted from high-strength carbon steel or alloy steel, these chains deliver exceptional tensile strength, wear resistance, and fatigue durability, making them the ideal choice for critical agricultural applications where reliability is non-negotiable.
Designed in strict compliance with international standards including ISO 606 and ANSI B29.1, the A-type structure features precision-stamped link plates, heat-treated pins, and hardened rollers. This optimized design ensures smooth, low-friction meshing with sprockets, minimizing power loss during operation and extending the service life of both the chain and mating components. Whether driving the mechanisms of combine harvesters, grain elevators, hay balers, seeders, or manure spreaders, these chains maintain consistent performance even when exposed to abrasive soil, dust, moisture, and fluctuating temperatures.
To enhance adaptability to diverse agricultural environments, we offer a range of surface treatment options. Zinc plating provides cost-effective corrosion resistance for mild indoor or covered storage conditions; black oxide coating boosts wear protection for dry, high-friction applications; and hot-dip galvanization delivers long-lasting defense against rust and corrosion for outdoor, humid, or chemically exposed settings.
Available in a full spectrum of standard pitch sizes and custom lengths, our A Type Steel Agricultural Chains can be tailored to match the exact specifications of different farm machinery models. Each chain undergoes rigorous quality control inspections—including dimensional accuracy checks, tensile load testing, and fatigue endurance trials—before leaving the factory, ensuring compliance with the strictest industry performance benchmarks.
What sets our A Type Steel Agricultural Chains apart is their balance of ruggedness and cost-effectiveness. They reduce maintenance downtime, lower replacement costs, and maximize the operational efficiency of agricultural equipment, helping farmers and agricultural machinery operators boost productivity during critical planting, harvesting, and processing seasons.
Choose our A Type Steel Agricultural Chains for a robust, standards-compliant transmission solution that stands up to the toughest challenges of the farming industry.