High carbon G80 lifting chain , Iran

Short link chains are produced from carbon steel grade C50 or A8 with tensile strength of 800–900 N/mm². Wire diameter ranges from 6 to 30 mm with a pitch length approximately 3.5 times the wire diameter. Minimum breaking force varies from 25 to 500 kN depending on chain size. Working Load Limit is calculated with a 4:1 or 5:1 safety factor for general applications. These chains undergo quench and temper heat treatment to enhance tensile and wear resistance. Flexibility is defined by a minimum bending radius of 10 times the chain diameter.

The chain structure features resistance welding with full circumferential weld seams at the links. Links are oval-shaped with a 60-degree internal attachment angle for uniform load distribution. Surface hardness after heat treatment ranges from 30 to 35 HRC Rockwell C. Common surface coatings include hot-dip galvanizing 50–80 microns or epoxy powder coating. Suitable operating temperature ranges from –40°C to 150°C without significant strength reduction. Manufacturing complies with international standards ISO 1834 Grade 8 or DIN 5687-8 to ensure quality and safety.You can order and buy High carbon G80 lifting chain from Iran by contacting us through whatsaap and email.
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