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Eyehook

The forged steel hook is manufactured from medium carbon steel, typically AISI 1040 or equivalent. The ultimate tensile strength of this steel ranges between 650 to 750 MPa. The hook undergoes a quench and temper heat treatment process. This process achieves a final hardness between 32 to 38 Rockwell C HRC. All hooks are subject to certified load testing. The proof load test is typically 150% of the working load limit. The ultimate failure test is performed at 300% to 350% of the nominal capacity. The design incorporates a minimum operational safety factor of 4 to 1. This factor is calculated based on the steels minimum yield strength.

The hook shape follows a circular geometry with a gradual curve in the stress-bearing area. The hook surface is coated via hot-dip galvanizing or zinc spraying. The coating thickness is between 60 to 80 microns for corrosion protection. Depending on the type, hooks may feature a safety latch. This latch prevents accidental disengagement of the rope or attachment. Standard capacities are available from 0.5 tons to 50 tons. The shank or mounting section diameter is precision-machined. Magnetic particle or ultrasonic inspection for internal defects is mandatory.


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dracoboksel

Iran

021-55409906

Eyehook

A hook is a steel mechanical component used for connecting and lifting heavy loads in cranes and hoists. Working capacity ranges from 0.5 to 50 tons, designed according to standards such as Crosby or DIN. The body is made of hardened alloy steel with tensile strength of 800 to 1200 MPa to prevent bending or cracking. The tip often includes a groove for secure attachment of a latch or chain, and the connecting pin is torsion-resistant steel. Surface coating with galvanization or industrial anti-rust paint ensures corrosion protection in humid or industrial environments.

Structurally, the hook consists of a solid body, connection eye, and locking pin. Standard hook lengths range from 100 to 400 millimeters, with connection diameters from 20 to 80 millimeters. Geometric design ensures uniform distribution of tensile and bending stresses. Safety factor is typically 4 to 6 times the working load to guarantee maximum operator safety. Hooks are widely used in overhead, mobile, and manual cranes.


dracoboksel	021-55409906

takinboksel

Iran

021-55422784

Eyehook

An industrial hook is a critical tool for connecting and moving loads in hoists, cranes, winches, and lifting equipment. It is made of alloy steel or stainless steel grade 304/316, with tensile strength ranging from 500 to 800 MPa. Load capacity varies from 250 kg to 5 tons depending on size and type. The hook opening is designed for fast and secure attachment, with a spring-loaded or screw safety latch to prevent accidental load release. The surface is polished or coated for corrosion and rust resistance.

Structurally, the industrial hook features a forged body with controlled heat treatment to enhance strength and durability. The connecting pin and internal axis are precision machined to minimize play and stress concentration. It operates reliably in temperatures from −40°C to +300°C and is compatible with wire ropes, chains, and lifting slings. It is widely used in marine, construction, oil and gas, and production lines, ensuring safe and stable performance.