G80 Forged Oblong Master Link A342: Strength, Safety, and Reliability in Heavy-Duty Rigging

In the world of lifting, towing, and load securement, the right hardware can mean the difference between a safe operation and a catastrophic failure. Among the most trusted components in high-strength rigging systems is the G80 Forged Oblong Master Link A342—a compact yet powerful connector engineered for demanding industrial applications.

What Is a G80 Forged Oblong Master Link A342?

The G80 Oblong Master Link (A342) is a forged, heat-treated steel link designed to serve as a central connection point in multi-leg slings, chain assemblies, and lifting configurations. It meets or exceeds standards set by the US Department of Transportation (DOT) and complies with industry specifications such as ASTM A342—hence the designation “A342.”

Key features include:

• Grade 80 (G80) Alloy Steel: Offers a tensile strength approximately 2.5 times that of standard carbon steel, with a typical working load limit (WLL) up to 13,200 lbs (6,000 kg), depending on size.
• Oblong (Rectangular) Shape: Provides two distinct attachment points—ideal for connecting multiple chains, hooks, or slings at optimal angles without excessive bending or stress concentration.
• Forged Construction: Ensures superior grain structure, durability, and resistance to impact and fatigue.
• Smooth, Rounded Edges: Minimize wear on chains and synthetic slings during use.

How Is It Used?

The G80 oblong master link serves as the central hub in complex rigging setups. Common applications include:

• Multi-leg chain slings: Connecting 2, 3, or 4 chain legs to a single crane hook or lifting point.
• Transport securement: Linking chains to binders or anchor points on trailers when hauling heavy equipment.
• Recovery and towing: Acting as a reliable junction in winch or snatch block systems.
• Industrial lifting: Used in manufacturing, oil & gas, and construction for safe, balanced load handling.

Its oblong shape allows for better load distribution and easier assembly compared to round master links, especially when using wide hooks or multiple attachments.

Why Choose G80 Over Other Grades?

• Grade 80 is specifically designed for lifting and overhead applications (unlike Grade 70, which is typically for transport only).
• It offers a 4:1 safety factor (breaking strength is 4 times the WLL), meeting OSHA and ASME B30.9 standards for lifting hardware.
• Clearly marked with grade, WLL, manufacturer ID, and traceability codes for compliance and safety verification.

Safety & Inspection Tips

• Never use if cracked, twisted, stretched, or corroded.
• Ensure the master link is properly seated and not subjected to side-loading.
• Always verify that the WLL of the entire assembly is based on the weakest component.
• Use only with compatible Grade 80 chains and fittings to maintain system integrity.

The G80 Forged Oblong Master Link A342 is more than just a metal link—it’s a critical safety component that ensures strength, balance, and reliability in the most demanding lifting and hauling operations.

Trusted by professionals across industries, it embodies the perfect blend of engineering precision, material excellence, and regulatory compliance. When your job depends on holding thousands of pounds securely overhead, the G80 oblong master link isn’t just an option—it’s a necessity.

WORKING LOAD LIMIT IS BASED ON A DESIGN FACTOR OF 5:1 FOR WIRE ROPE
SLINGS AND A DESIGN FACTOR OF 4:1 FOR GRADE 80 CHAIN SLINGS