Alloy Steel Lifting Chain
When demanding lifting applications require unwavering reliability and strength, G80 Lifting Chain is the industry benchmark. This G80 Alloy Steel Lifting Chain is forged from specially heat-treated alloy steel, achieving a minimum tensile strength of 800 N/mm². This rigorous manufacturing process, combined with stringent quality control, delivers a chain designed for superior durability and a 4:1 design factor of safety. For the most extreme loads and punishing environments, our Heavy Duty G80 Alloy Steel Lifting Chain offers enhanced configurations with specialized treatments to resist wear, abrasion, and exposure to harsh chemicals, ensuring optimal performance and extended service life in critical operations.
The Alloy Steel Lifting Chain is engineered to meet and exceed the rigorous demands of material handling, construction, and industrial lifting. Its core strength lies in the precise engineering of its components and adherence to international standards. Below are the detailed specifications and configurations that define this premium lifting solution.
Key Features and Material Properties
- Material: High-grade, heat-treated alloy steel.
- Grade: G80 (ISO 3077, ASME B30.9).
- Tensile Strength: Minimum 800 N/mm² (116,000 psi).
- Safety Factor: 4:1 design working load limit (WLL).
- Surface Treatment: Electro-galvanized for corrosion resistance. Hot-dip galvanized and self-color (black) finishes also available.
- Temperature Range: Suitable for use from -40°C to +200°C (-40°F to +392°F).
- Proof Testing: Each chain is individually proof tested to 2.5 times its WLL.
Standard Working Load Limits (WLL) & Dimensions
| Chain Size (inch) | Chain Size (mm) | Approximate Weight | Working Load Limit (WLL) in tons (2000 lbs) | Minimum Breaking Force (tons) |
|---|---|---|---|---|
| 1/4" | 7 mm | 0.70 lbs/ft | 0.71 tons | 2.84 tons |
| 3/8" | 10 mm | 1.50 lbs/ft | 1.60 tons | 6.40 tons |
| 1/2" | 13 mm | 2.60 lbs/ft | 3.25 tons | 13.00 tons |
| 5/8" | 16 mm | 4.10 lbs/ft | 5.00 tons | 20.00 tons |
| 3/4" | 20 mm | 6.00 lbs/ft | 7.10 tons | 28.40 tons |
| 7/8" | 22 mm | 8.20 lbs/ft | 9.80 tons | 39.20 tons |
| 1" | 26 mm | 10.50 lbs/ft | 12.50 tons | 50.00 tons |
Available Configurations & Components
The Alloy Steel Lifting Chain is available in various configurations to suit specific application needs. Standard master links, coupling links, and hooks are manufactured from compatible alloy steel and are proof-tested. Common assembly types include:
- Single Leg with Hook
- Double Leg with Hooks (Equal or Unequal Length)
- Custom Slings with Master Links and Shackles
- Endless (Mechanical Splice) Slings
All fittings comply with grade requirements and are marked with their individual WLL for traceability and safety compliance.
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