S-hook | Symmetrical | A4 | M8160

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SKU: 400121
Regular price 5.00 kr Incl. VAT
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Do you need a hook that functions safely even in damp, salty, or chemically demanding environments? The A4 S-hook / AISI 316 acid-proof stainless steel is built to withstand corrosion and maintain its strength for a long time. It combines low weight with high breaking strength and is optimized to handle heavy mechanical stress and frequent use.

AREA OF USE

Perfect for hanging, connecting chains, wire, or equipment in coastal areas, docks, boats, the food industry, and chemical plants. The open S-shape provides a simple and flexible solution without the need for additional fittings. Assembly is quick by hand without tools and requires minimal maintenance even during continuous operation.

TECHNICAL SPECIFICATIONS

  • Product type: S-hook
  • Standard: Not specified (standard model)
  • Quality: A4 / AISI 316 (acid-proof stainless steel)
  • Material class: Not specified (acid-proof quality)
  • Thread type: Not applicable
  • Surface treatment: Untreated (natural stainless steel)
  • Head shape: S-shaped hook
  • Grip type: Not applicable

FREQUENTLY ASKED QUESTIONS (FAQ)

What characterizes an S-hook made of acid-proof stainless steel A4 (AISI 316)?

An S-hook in A4 steel is a versatile, quick-attachment suspension component for heavy and demanding environments:

  • Open S-shape for quick connections: The symmetrical or asymmetrical S-shape makes it easy to quickly hook and unhook chains, loops, wire ropes, nets, or tools completely without tools.

  • High breaking strength relative to weight: The compact steel construction handles high mechanical tensile loads without bending or deforming at the opening.

  • Versatile applications: Perfect as a connecting link in the marine sector, food industry, chemical industry, agriculture, and industrial suspensions.

Why is acid-proof stainless steel A4 (AISI 316) crucial for this hook?

A4 steel (1.4401 / AISI 316) is alloyed with molybdenum, providing exceptional protection against tough chemical and corrosive stresses:

  • Maximum protection in marine environments: Withstands constant contact with saltwater, brackish water, and harsh coastal climates without suffering from pitting or crevice corrosion.

  • Resistant to chemicals and cleaning agents: Resists acids, salts, cleaning chemicals, and constant wash-downs – making it ideal for food handling and slaughterhouses/dairies.

  • UV and temperature resistant: Does not lose its mechanical load-bearing capacity or surface finish in strong sunlight, sub-zero temperatures, or high process temperatures.

What should be considered regarding the load and use of S-hooks?

  1. Straight pull in the hook base: Always load the S-hook directly at the bottom of the bend. Avoid side pulls or loading the outermost tip of the hook, as this significantly reduces the load-bearing capacity and can bend the opening.

  2. Not approved for personnel lifting: Just like standard accessory hooks, S-hooks should only be used for hanging goods and equipment, not for lifting people or as a primary component in certified personnel lifting systems.

  3. Permanent locking: If you want the S-hook to be permanently attached to a chain link, one of the bends can be carefully squeezed together with pliers or a vise after connection.