What are the Differences in Industrial Chain Grades?
2020-6-29u2002·u2002However, it is not approved for overhead lifting applications. Grade 43 has a working load limit ranging between 2,600 to 13,000 lbs. Grade 43 is also commonly labeled as High-Test Chain or G-4 chain and is comprised of carbon steel, which is known for its high tensile strength and wear resistance.
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