Stainless steel leaf chains, including AL, BL, and LL Series, are robust and corrosion-resistant chains commonly used in heavy-duty applications, especially in environments exposed to moisture, chemicals, or extreme temperatures. They are constructed using high-quality stainless steel, which offers excellent strength, durability, and resistance to rust and wear. Unlike standard roller chains, leaf chains consist of interlocking plates and pins, making them ideal for lifting, balancing, and tensioning tasks. These chains are widely used in forklifts, material handling equipment, and outdoor machinery where reliability and longevity are essential under demanding conditions.
Stainless Steel Leaf Chain Dimensions
(1) AL Series Stainless Steel Leaf Chain Dimensions
| Chain No. | Pitch | Lacing | Plate thickness | Plate depth | Pin diameter | Pin length | Breaking load | Average tensile strength |
| ISO GB |
P(mm) | T(mm) | h2(mm) | d2(mm) | L(mm) | Q min(KN) |
Q0(KN) | |
| AL422SS | 12.7 | 2×2 | 1.52 | 9.7 | 3.96 | 8.5 | 9.87 | 11.9 |
| AL444SS | 12.7 | 4×4 | 1.52 | 9.7 | 3.96 | 14.9 | 19.74 | 24.78 |
| AL466SS | 12.7 | 6×6 | 1.52 | 9.7 | 3.96 | 20.8 | 29.61 | 37.1 |
| AL522SS | 15.875 | 2×2 | 2 | 12.9 | 5.08 | 10.7 | 15.568 | 19.32 |
| AL544SS | 15.875 | 4×4 | 2 | 12.9 | 5.08 | 19 | 31.136 | 38.29 |
| AL566SS | 15.875 | 6×6 | 2 | 12.9 | 5.08 | 27.1 | 46.704 | 57.54 |
| AL622SS | 19.05 | 2×2 | 2.4 | 15.5 | 5.94 | 12.5 | 25.9 | 31.29 |
| AL644SS | 19.05 | 4×4 | 2.4 | 15.5 | 5.94 | 22.4 | 44.8 | 53.9 |
| AL666SS | 19.05 | 6×6 | 2.4 | 15.5 | 5.94 | 32.1 | 70.7 | 85.12 |
| AL822SS | 25.4 | 2×2 | 3.2 | 20.5 | 7.92 | 16.5 | 39.69 | 47.74 |
| AL844SS | 25.4 | 4×4 | 3.2 | 20.5 | 7.92 | 29.4 | 79.38 | 94.71 |
| AL866SS | 25.4 | 6×6 | 3.2 | 20.5 | 7.92 | 42.4 | 119 | 142.03 |
| AL1022SS | 31.75 | 2×2 | 4 | 26 | 9.52 | 20.3 | 61.95 | 75.32 |
| AL1044SS | 31.75 | 4×4 | 4 | 26 | 9.52 | 36.7 | 123.9 | 142.94 |
| AL1066SS | 31.75 | 6×6 | 4 | 26 | 9.52 | 52.6 | 185.5 | 221.13 |
| AL1222SS | 38.1 | 2×2 | 4.9 | 31 | 11.1 | 25.4 | 88.9 | 106.12 |
| AL1244SS | 38.1 | 4×4 | 4.9 | 31 | 11.1 | 45.2 | 177.8 | 210.14 |
| AL1266SS | 38.1 | 6×6 | 4.9 | 31 | 11.1 | 65 | 266.7 | 298.69 |
| AL1422SS | 44.45 | 2×2 | 5.6 | 36.5 | 12.7 | 28.6 | 126.21 | 144.41 |
| AL1444SS | 44.45 | 4×4 | 5.6 | 36.5 | 12.7 | 50.6 | 260.89 | 289.8 |
| AL1466SS | 44.45 | 6×6 | 5.6 | 36.5 | 12.7 | 73.4 | 391.3 | 434.35 |
| AL1622SS | 50.8 | 2×2 | 6.4 | 41.6 | 14.27 | 32.5 | 161 | 184.87 |
| AL1644SS | 50.8 | 4×4 | 6.4 | 41.6 | 14.27 | 58 | 329.7 | 366.52 |
| AL1666SS | 50.8 | 6×6 | 6.4 | 41.6 | 14.27 | 84.4 | 494.2 | 549.43 |
(2) BL Series Stainless Steel Leaf Chain Dimensions
| Chain No. | Pitch | Lacing | Plate thickness | Plate depth | Pin diameter | Pin length | Breaking load | Average tensile strength | |
| ISO GB |
ANSI | P(mm) | T(mm) | h2(mm) | d2(mm) | L(mm) | Q min(KN) |
Q0(KN) | |
| LH0822SS | BL422SS | 12.7 | 2×2 | 2 | 12 | 5.08 | 10.7 | 15.568 | 1974 |
| LH0823SS | BL423SS | 12.7 | 2×3 | 2 | 12 | 5.08 | 12.8 | 15.568 | 19.74 |
| LH0834SS | BL434SS | 12.7 | 3×4 | 2 | 12 | 5.08 | 16.8 | 23.352 | 29.4 |
| LH0844SS | BL444SS | 12.7 | 4×4 | 2 | 12 | 5.08 | 19.2 | 31.136 | 39.69 |
| LH0846SS | BL446SS | 12.7 | 4×6 | 2 | 12 | 5.08 | 23 | 31.136 | 39.69 |
| LH0866SS | BL466SS | 12.7 | 6×6 | 2 | 12 | 5.08 | 27.1 | 46.704 | 57.47 |
| LH0888SS | BL488SS | 12.7 | 8×8 | 2 | 12 | 5.08 | 35.4 | 62.272 | 77.28 |
| LH1022SS | BL522SS | 15.875 | 2×2 | 2.4 | 15 | 5.94 | 12.5 | 23.352 | 30.1 |
| LH1023SS | BL523SS | 15.875 | 2×3 | 2.4 | 15 | 5.94 | 14.9 | 23.352 | 30.1 |
| LH1034SS | BL534SS | 15.875 | 3×4 | 2.4 | 15 | 5.94 | 20 | 34.251 | 44.94 |
| LH1044SS | BL544SS | 15.875 | 4×4 | 2.4 | 15 | 5.94 | 22.4 | 46.704 | 59.71 |
| LH1046SS | BL546SS | 15.875 | 4×6 | 2.4 | 15 | 5.94 | 27.4 | 46.704 | 59.71 |
| LH1066SS | BL566SS | 15.875 | 6×6 | 2.4 | 15 | 5.94 | 32.1 | 70.056 | 87.99 |
| LH1088SS | BL588SS | 15.875 | 8×8 | 2.4 | 15 | 5.94 | 42 | 93.408 | 119 |
| LH1222SS | BL622SS | 19.05 | 2×2 | 3.2 | 18.1 | 7.92 | 16.4 | 34.251 | 45.01 |
| LH1223SS | BL623SS | 19.05 | 2×3 | 3.2 | 18.1 | 7.92 | 19.7 | 34.251 | 45.01 |
| LH1234SS | BL634SS | 19.05 | 3×4 | 3.2 | 18.1 | 7.92 | 26.2 | 52.934 | 72.1 |
| LH1244SS | BL644SS | 19.05 | 4×4 | 3.2 | 18.1 | 7.92 | 29.4 | 68.502 | 85.96 |
| LH1246SS | BL646SS | 19.05 | 4×6 | 3.2 | 18.1 | 7.92 | 35.7 | 68.502 | 85.96 |
| LH1266SS | BL666SS | 19.05 | 6×6 | 3.2 | 18.1 | 7.92 | 42.4 | 102.753 | 133.84 |
| LH1288SS | BL688SS | 19.05 | 8×8 | 3.2 | 18.1 | 7.92 | 55.8 | 137.004 | 167.51 |
| LH1622SS | BL822SS | 25.4 | 2×2 | 4 | 24.1 | 9.52 | 20.3 | 59.164 | 76.09 |
| LH1623SS | BL823SS | 25.4 | 2×3 | 4 | 24.1 | 9.52 | 24.3 | 59.164 | 76.09 |
| LH1634SS | BL834SS | 25.4 | 3×4 | 4 | 24.1 | 9.52 | 32.6 | 90.3 | 100.87 |
| LH1644SS | BL844SS | 25.4 | 4×4 | 4 | 24.1 | 9.52 | 36.7 | 118.321 | 150.57 |
| LH1646SS | BL846SS | 25.4 | 4×6 | 4 | 24.1 | 9.52 | 44.7 | 118.321 | 150.51 |
| LH1666SS | BL866SS | 25.4 | 6×6 | 4 | 24.1 | 9.52 | 52.6 | 177.478 | 227.5 |
| LH1688SS | BL888SS | 25.4 | 8×8 | 4 | 24.1 | 9.52 | 69 | 236.642 | 303.24 |
| Chain No. | Pitch | Lacing | Plate thickness | Plate depth | Pin diameter | Pin length | Breaking load | Average tensile strength | |
| ISO GB |
ANSI | P(mm) | T(mm) | h2(mm) | d2(mm) | L(mm) | Q min(KN) |
Q0(KN) | |
| LH2022SS | BL1022SS | 31.75 | 2×2 | 4.9 | 30.1 | 11.1 | 25.1 | 80.962 | 103.11 |
| LH2023SS | BL1023SS | 31.75 | 2×3 | 4.9 | 30.1 | 11.1 | 30 | 80.962 | 103.11 |
| LH2034SS | BL1034SS | 31.75 | 3×4 | 4.9 | 30.1 | 11.1 | 40.2 | 127.911 | 162.33 |
| LH2044SS | BL1044SS | 31.75 | 4×4 | 4.9 | 30.1 | 11.1 | 45.2 | 161.91 | 204.33 |
| LH2046SS | BL1046SS | 31.75 | 4×6 | 4.9 | 30.1 | 11.1 | 55 | 161.91 | 204.33 |
| LH2066SS | BL1066SS | 31.75 | 6×6 | 4.9 | 30.1 | 11.1 | 65 | 242.865 | 301 |
| LH2088SS | BL1088SS | 31.75 | 8×8 | 4.9 | 30.1 | 11.1 | 84.8 | 323.82 | 388.43 |
| LH2422SS | BL1222SS | 38.1 | 2×2 | 5.6 | 36 | 12.7 | 28 | 105.868 | 134.61 |
| LH2423SS | BL1223SS | 38.1 | 2×3 | 5.6 | 36 | 12.7 | 33.7 | 105.868 | 134.61 |
| LH2434SS | BL1234SS | 38.1 | 3×4 | 5.6 | 36 | 12.7 | 44.8 | 171.248 | 216.02 |
| LH2444SS | BL1244SS | 38.1 | 4×4 | 5.6 | 36 | 12.7 | 50.6 | 211.729 | 267.19 |
| LH2446SS | BL1246SS | 38.1 | 4×6 | 5.6 | 36 | 12.7 | 61.7 | 211.729 | 267.19 |
| LH2466SS | BL1266SS | 38.1 | 6×6 | 5.6 | 36 | 12.7 | 73.4 | 317.59 | 380.03 |
| LH2488SS | BL1288SS | 38.1 | 8×8 | 5.6 | 36 | 12.7 | 96 | 423.458 | 507.71 |
| LH2822SS | BL1422SS | 44.45 | 2×2 | 6.4 | 42 | 14.27 | 31.7 | 133.889 | 158.34 |
| LH2823SS | BL1423SS | 44.45 | 2×3 | 6.4 | 42 | 14.27 | 38.2 | 133.889 | 158.34 |
| LH2834SS | BL1434SS | 44.45 | 3×4 | 6.4 | 42 | 14.27 | 51.2 | 221.067 | 260.47 |
| LH2844SS | BL1444SS | 44.45 | 4×4 | 6.4 | 42 | 14.27 | 57.5 | 267.771 | 315.49 |
| LH2846SS | BL1446SS | 44.45 | 4×6 | 6.4 | 42 | 14.27 | 70.5 | 267.771 | 315.49 |
| LH2866SS | BL1466SS | 44.45 | 6×6 | 6.4 | 42 | 14.27 | 83.3 | 404.768 | 478.03 |
| LH2888SS | BL1488SS | 44.45 | 8×8 | 6.4 | 42 | 14.27 | 109.5 | 535.542 | 632.31 |
| LH3222SS | BL1622SS | 50.8 | 2×2 | 7.5 | 48 | 17.46 | 36.8 | 202.384 | 239.19 |
| LH3223SS | BL1623SS | 50.8 | 2×3 | 7.5 | 48 | 17.46 | 44.4 | 202.384 | 239.19 |
| LH3234SS | BL1634SS | 50.8 | 3×4 | 7.5 | 48 | 17.46 | 59.4 | 308.252 | 364 |
| LH3244SS | BL1644SS | 50.8 | 4×4 | 7.5 | 48 | 17.46 | 67 | 404.768 | 476.49 |
| LH3246SS | BL1646SS | 50.8 | 4×6 | 7.5 | 48 | 17.46 | 82.4 | 404.768 | 476.49 |
| LH3266SS | BL1666SS | 50.8 | 6×6 | 7.5 | 48 | 17.46 | 97.6 | 600.152 | 700 |
| LH3288SS | BL1688SS | 50.8 | 8×8 | 7.5 | 48 | 17.46 | 128.1 | 809.536 | 954.8 |
(3) LL Series Stainless Steel Leaf Chain Dimensions
| Chain No. | Pitch | Lacing | Plate thickness | Plate depth | Pin diameter | Pin length | Breaking load | Average tensile strength |
| ISO GB |
P(mm) | T(mm) | h2(mm) | d2(mm) | L(mm) | Q min(KN) |
Q0(KN) | |
| LL0822SS | 12.7 | 2×2 | 1.3 | 10.9 | 4.45 | 7.6 | 12.46 | 14.49 |
| LL0844SS | 12.7 | 4×4 | 1.3 | 10.9 | 4.45 | 13.1 | 21.77 | 25.41 |
| LL0866SS | 12.7 | 6×6 | 1.3 | 10.9 | 4.45 | 18.4 | 31.15 | 36.12 |
| LL1022SS | 15.875 | 2×2 | 1.65 | 13.6 | 5.08 | 9.4 | 15.54 | 18.06 |
| LL1044SS | 15.875 | 4×4 | 1.65 | 13.6 | 5.08 | 16.2 | 31.15 | 37.03 |
| LL1066SS | 15.875 | 6×6 | 1.65 | 13.6 | 5.08 | 22.9 | 46.69 | 53.41 |
| LL1222SS | 19.05 | 2×2 | 1.8 | 16 | 5.72 | 10 | 20.23 | 23.66 |
| LL1244SS | 19.05 | 4×4 | 1.8 | 16 | 5.72 | 17.4 | 40.46 | 46.76 |
| LL1266SS | 19.05 | 6×6 | 1.8 | 16 | 5.72 | 25.1 | 60.69 | 70.14 |
| LL1622SS | 25.4 | 2×2 | 3.2 | 21 | 8.28 | 17 | 40.6 | 46.27 |
| LL1644SS | 25.4 | 4×4 | 3.2 | 21 | 8.28 | 29.4 | 81.2 | 90.86 |
| LL1666SS | 25.4 | 6×6 | 3.2 | 21 | 8.28 | 42.4 | 121.8 | 138.46 |
| LL2022SS | 31.75 | 2×2 | 3.6 | 26 | 10.19 | 18.7 | 66.5 | 76.23 |
| LL2044SS | 31.75 | 4×4 | 3.6 | 26 | 10.19 | 33.2 | 133 | 153.3 |
| LL2066SS | 31.75 | 6×6 | 3.6 | 26 | 10.19 | 47.8 | 199.5 | 227.5 |
| LL2422SS | 38.1 | 2×2 | 5 | 33 | 14.63 | 25.4 | 119 | 136.29 |
| LL2444SS | 38.1 | 4×4 | 5 | 33 | 14.63 | 45.5 | 238 | 266.14 |
| LL2466SS | 38.1 | 6×6 | 5 | 33 | 14.63 | 65.8 | 357 | 398.86 |
| LL2822SS | 44.45 | 2×2 | 6.4 | 36.7 | 15.9 | 32.4 | 140 | 157.29 |
| LL2844SS | 44.45 | 4×4 | 6.4 | 36.7 | 15.9 | 58.2 | 280 | 313.81 |
| LL2866SS | 44.45 | 6×6 | 6.4 | 36.7 | 15.9 | 84 | 420 | 470.75 |
| LL3222SS | 50.8 | 2×2 | 6.4 | 41.9 | 17.8 | 33.4 | 182 | 203.91 |
| LL3244SS | 50.8 | 4×4 | 6.4 | 41.9 | 17.8 | 59.2 | 364 | 408.03 |
| LL3266SS | 50.8 | 6×6 | 6.4 | 41.9 | 17.8 | 85 | 546 | 611.8 |
Types of Stainless Steel Leaf Chains
1. AL Series Stainless Steel Leaf Chains: AL Series stainless steel leaf chains are lightweight chains designed for moderate load applications. They feature smaller pin diameters and plates compared to the BL series, making them suitable for lighter-duty lifting tasks. These chains are commonly used in applications like small material handling equipment, low-capacity forklifts, and light-duty hoists where strength, corrosion resistance, and precision are required without the need for excessive load-bearing capacity.
2. BL Series Stainless Steel Leaf Chains: BL Series stainless steel leaf chains are heavy-duty chains built for high-strength applications. They have thicker plates and larger pin diameters than AL series chains, providing superior load capacity and durability. BL chains are ideal for demanding industrial applications such as heavy forklifts, cranes, and large material handling systems. Their robust construction ensures excellent performance in environments where strength, reliability, and resistance to harsh conditions like chemicals or extreme temperatures are critical.
3. LL Series Stainless Steel Leaf Chains: LL Series stainless steel leaf chains are European-standard chains designed for precision and reliability in moderate to heavy-duty applications. They are characterized by smaller pitch sizes compared to AL and BL series chains, offering smoother operation and enhanced flexibility. LL chains are used in specialized lifting systems, precision material handling applications, and outdoor machinery. Their stainless steel construction ensures resistance to rust, making them suitable for environments with high humidity or exposure to water.
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Common Applications of Stainless Steel Leaf Chains
1. Forklifts and Material Handling Equipment: Stainless steel leaf chains are widely used in forklifts and material handling equipment due to their strength, durability, and corrosion resistance. They provide reliable performance in lifting and lowering loads while withstanding harsh environmental conditions like moisture, chemicals, and heavy usage.
2. Cranes and Hoists: In cranes and hoists, stainless steel leaf chains ensure secure and efficient lifting of heavy loads. Their robust construction and resistance to wear make them ideal for industrial applications requiring precision, high load capacity, and long-term reliability, even in extreme environments.
3. Marine and Offshore Applications: Stainless steel leaf chains are essential in the marine and offshore industries where exposure to saltwater and moisture is constant. Their corrosion resistance and durability make them suitable for tasks like mooring, lifting, and handling equipment in harsh, high-humidity conditions.
4. Chemical and Food Processing Industries: In chemical plants and food processing industries, stainless steel leaf chains are used for applications requiring resistance to chemicals, high hygiene standards, and frequent exposure to corrosive substances. They ensure safe and efficient operation without compromising cleanliness or durability.
5. Elevators and Lifting Platforms: Stainless steel leaf chains are used in elevators and lifting platforms for their high strength and smooth operation. Their ability to handle heavy loads and resist wear ensures safety and reliability in vertical lifting systems, especially in commercial and industrial environments.
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Stainless Steel Leaf Chain FAQ
1. What are stainless steel leaf chains made of?
A: Stainless steel leaf chains are made from high-grade stainless steel, which provides exceptional strength, durability, and resistance to corrosion. The material composition typically includes chromium and nickel, ensuring the chains can withstand harsh environments, including exposure to moisture, chemicals, and extreme temperatures, without rusting or degrading.
2. What differentiates stainless steel leaf chains from regular chains?
A: Unlike regular chains, stainless steel leaf chains are specifically designed for high load-bearing tasks, using interlocking plates and pins instead of rollers. They offer superior resistance to rust, wear, and chemicals, making them ideal for environments where traditional chains may fail due to corrosion or heavy-duty demands.
3. How do I maintain stainless steel leaf chains?
A: To maintain stainless steel leaf chains, regularly inspect them for wear, proper lubrication, and alignment. Cleaning them with non-corrosive solutions helps prevent debris buildup. Avoid exposing them to extreme mechanical stress or incompatible chemicals to extend their lifespan and ensure reliable performance.
4. What are the differences between AL, BL, and LL series stainless steel leaf chains?
A: The AL series is designed for light-duty applications with smaller pin diameters and plates. The BL series is for heavy-duty, high-load tasks with thicker plates and larger pins. The LL series, based on European standards, offers precise operation with smaller pitch sizes and moderate load capacity.
5. Can stainless steel leaf chains be used in extreme environments?
A: Yes, stainless steel leaf chains are ideal for extreme environments. They perform exceptionally well in conditions involving high humidity, exposure to saltwater, chemicals, and extreme temperatures. Their corrosion resistance and robust construction make them a reliable choice for demanding applications in harsh settings.