Welded ring | A4 | M8229

In stock 251 items available
SKU: 101159
Regular price 6.00 kr Incl. VAT
Diameter (mm)
Ø - inner diameter (mm)
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Do you need a ring that functions reliably even in damp, salty, or chemically demanding environments? Polished A4 ring / AISI 316 acid-resistant stainless steel is built to withstand corrosion and maintain strength over a long period. It combines low weight with high breaking strength and is optimized to handle heavy mechanical loads and frequent use. The polished surface also provides extra protection against dirt and corrosion while enhancing the appearance.

FIELD OF APPLICATION

Perfect for connecting chains, ropes, or wires, as well as for attachment in marine environments, docks, boats, the food industry, or chemical plants. Its smooth, polished construction makes it easy to use without damaging ropes or wires. Easy to install by hand and requires minimal maintenance even during continuous operation.

TECHNICAL SPECIFICATIONS

  • Product type: Polished ring
  • Standard: Not specified (standard model)
  • Quality: A4 / AISI 316 (acid-resistant stainless steel)
  • Material class: Not specified (manufactured in acid-resistant quality)
  • Thread type: Not applicable
  • Surface treatment: Polished (stainless steel A4)
  • Head shape: Ring
  • Grip type: Not applicable

FREQUENTLY ASKED QUESTIONS (FAQ)

What characterizes a polished ring in acid-resistant A4 steel (AISI 316)?

A polished welded ring in A4 steel is an extremely versatile and robust connecting component for marine and industrial attachment points:

  • Fully molded/fully welded construction: The ring is seamlessly assembled and ground, providing consistent strength around the entire circumference without weak points.

  • High breaking strength and optimal force distribution: The round shape allows tensile forces from ropes, chains, shackles, or hooks to be distributed completely evenly regardless of the angle.

  • Highly polished surface finish: The mirror-like surface not only provides an aesthetically pleasing impression but also reduces friction and wear on ropes and canvas straps.

Why does the polished A4 surface provide superior corrosion protection?

The combination of A4 steel (1.4401 / AISI 316) and a polished finish offers exceptional resistance to harsh weather and chemical environments:

  • Molybdenum alloy against saltwater: Effectively protects against crevice corrosion and pitting in saltwater, brackish water, and harsh coastal climates.

  • Polishing repels dirt and salt: The smooth surface lacks the microscopic irregularities where salt crystals, dirt, or chemicals can become trapped and initiate corrosion attacks.

  • Resistant in tough environments: Withstands aggressive cleaning agents, ammonia in agricultural environments, and chemical rinsing in the food industry.

How are polished A4 rings best used in practice?

  1. Centering of mooring and rigging components: Perfect as a gathering point where several ropes, chains, or hooks meet at a single attachment point without rubbing against each other.

  2. Gentle on ropes and canvas: The rounded, polished profile prevents ropes and synthetic fibers from being chafed through during frequent movement or jerks.

  3. Combine with the right materials: Ensure that A4 steel is used for other connecting components (shackles, carabiners, eye bolts) to completely avoid the risk of galvanic corrosion.