Choosing the Right G80 Link Chain

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The first step in purchasing G80 link chains is determining the specifications that suit the intended application. G80 chains are rated for high strength and are often used for lifting, hoisting, and securing heavy loads. Therefore, selecting the right chain involves understanding the foll

The first step in purchasing G80 link chains is determining the specifications that suit the intended application. G80 chains are rated for high strength and are often used for lifting, hoisting, and securing heavy loads. Therefore, selecting the right chain involves understanding the following key factors:

Load Capacity: The primary consideration when choosing G80 link chains is the weight of the load they need to support. G80 chains are designed to handle significantly heavier loads than many other chain types, but it’s essential to choose a chain that matches the specific requirements. Manufacturers typically provide load capacity charts based on the chain’s diameter and length, which should be referenced when making a decision.

Material: G80 link chains are typically made from alloy steel, which provides the strength needed for heavy lifting. It’s important to choose chains made from high-quality steel to ensure long-term durability and resistance to wear. Furthermore, some chains may come with additional coatings to improve corrosion resistance, especially for use in harsh environments like marine or outdoor settings.

Size and Length: The size of the chain should also be carefully considered. G80 link chains come in a variety of sizes, and selecting the right diameter and length ensures both optimal performance and safety. Chains that are too large may be unnecessarily heavy, while chains that are too small may compromise safety standards.

Grade 43 High Test Welded Steel Chain (NACM96)

Zinc-plated finish

Produced to the NACM standards

Do not use in overhead applications

Grade 43 High Test Welded Steel Chain (NACM96) is a type of chain that is commonly used in applications where high strength and durability are required, but not as heavy-duty as those requiring Grade 70 or Grade 80 chains.

The "high test" designation indicates that the chain has undergone a specific heat treatment process that increases its strength and toughness. This process involves heating the steel to a high temperature and then quenching it in water or oil to harden the metal.

 

Nominal Size

Material Diameter

Inside Length (MAX.)

Inside Width (MIN.)

Work Load Limit (MAX.)

Proof Test (MIN.)

Breaking Force (MIN.)

IN

MM

IN

MM

IN

MM

IN

MM

LBS

KG

LBS

KN

LBS

KN

1/4

7.0

0.276

7.1

1.24

31.5

0.38

9.8

2600

1180

4300

19.1

7750

34.5

5/16

8.7

0.343

8.7

1.29

32.8

0.44

11.2

3900

1770

6400

28.5

11600

51.6

3/8

10.0

0.406

10.3

1.38

35.0

0.55

14.0

5400

2450

8900

39.6

16200

72.1

7/16

11.9

0.468

11.9

1.64

41.6

0.65

16.6

7200

3260

11900

52.9

21500

95.6

1/2

13.0

0.531

13.5

1.79

45.5

0.72

18.2

9200

4170

15300

68.1

27600

122.8

 

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