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1x19 Wire Rigging

Stainless Steel 1 x 19 Wire Rope Rigging is the most popular solution for standing rigging on cruising yachts.

The strength, minimal elongation, excellent corrosion resistance and general performance of KOS 1x19 construction stainless steel wire is suitable for the majority of sailing yachts.

Higher performance compacted strand wire is available, but at a higher price which is not normally deemed justifiable for discerning cruising yachtsmen.

Jimmy Green Marine source stainless steel 1x19 wire rope up to and including 10mm diameter from Seago Yachting, one of the official UK distributors of KOS wire. 12mm diameter and larger is sourced from Petersen or Sta-Lok but is always KOS wire.

KOS Wire

KOS Stainless Steel Wire Rope manufactured using 316 marine grade stainless steel to 1.4401 is recognised throughout the world for its superior quality and has an outstanding reputation for suitability in a marine environment for Sailboat Standing Rigging.

Jimmy Green Marine operate a strict accountability process for every reel of wire that the Jimmy Green Rigging Team use and the corresponding batch number is recorded on every rigging order.

Traceability is an important feature of the Jimmy Green assurance policy: Stainless Steel Wire - Quality Control and Care

You can therefore be reassured that your rigging will only be made up from top quality fully accredited KOS wire.

All wire terminals are roller swaged onto the wire using Wiretechnik Roller Swaging Technology.

Swaging is available in wire diameters from 2.5mm up to 12mm diameter (up to 10mm on site).

All copper ferrule terminations are fitted onto the wire using Cabco Talurit Hydraulic Press Machines.

Wire Termination from 2mm up to 8mm diameter is carried out on site.

WireTechnik and Cabco Talurit are acknowledged throughout the marine industry as the leading manufacturers for top quality, reliable wire termination.

Jimmy Green Marine offer the full range of Sta-Lok, Petersen and Hamma Regatta swage terminals e.g. eye, forks, tees, strap toggles plus all manner of turnbuckle and backstay insulator options.

Terminals from Selden, Hasselfors, Bluewave, Navtec and OS/BSI are also available.

Custom Build Wire Rigging Prices include swaging onto the wire.

Custom Build Instructions

Manufacturer Minimum Break Load for stainless steel wire, showing the comparison between KOS 7x19, KOS 1x19 and Petersen Compacted Strand
2mm 2.5mm 3mm 4mm 5mm 6mm 7mm 8mm 10mm 12mm
KOS 1x19 Stainless Steel AISI 316 320 500 720 1280 2000 2880 3560 4640 7250 10400
KOS 7x19 Stainless Steel AISI 316 225 355 510 910 1420 2040 2780 3630 5670 7660
Petersen Compact Strand Stainless Steel AISI 316 440 690 1000 1780 2600 3600 5000 6300 10000 14500

The wire strength comparison chart illustrates that Compacted Strand wire has a higher break load than standard 1x19 wire making it suitable for racing or extended/performance cruising

Elongation Comparison for standard stainless steel 1x19 and Petersen Compacted Strand (also known as Dyform) Wire
Wire Diameter Type MBL Stretch in mm, per 100kg on 1mm Weight per 100m
2.5mm Standard 1x19 500kg 0.018535 3.05kg
Compact Dyform 1x7 690kg 0.014523 3.4kg
3mm Standard 1x19 720kg 0.012872 4.49kg
Compact Dyform 1x7 1000kg 0.010085 4.9kg
4mm Standard 1x19 1280kg 0.007378 7.81kg
Compact Dyform 1x7 1780kg 0.005673 8.80kg
5mm Standard 1x19 2000kg 0.004627 12.2kg
Compact Dyform 1x19 2440kg 0.003728 13.5kg
6mm Standard 1x19 2880kg 0.003224 17.6kg
Compact Dyform 1x19 3550kg 0.002589 19.4kg
7mm Standard 1x19 3550kg 0.002274 23.9kg
Compact Dyform 1x19 4910kg 0.001902 26kg
8mm Standard 1x19 4640kg 0.001883 31.2kg
Compact Dyform 1x19 6150kg 0.001456 34.5kg
10mm Standard 1x19 7250kg 0.001157 48.8kg
Compact Dyform 1x19 9770kg 0.000932 54kg
12mm Standard 1x19 10400kg 0.000806 70.3kg
Compact Dyform 1x19 14400kg 0.000647 80.7kg

Stretch is expressed (in mm) as the increase in length on 1mm for every 100kg tensile load applied

MBL = Manufacturer Break Load

N.B. Table figures courtesy of Petersen stainless

The Petersen stretch chart illustrates what most sailors know, that wire doesn't stretch very much. Standard 1x19 wire doesn't stretch enough to be of any concern for standing rigging on cruising yachts. However the table also demonstrates that Compact Strand is slightly heavier and stretches even less than standard 1x19 wire.

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7mm 1x19 Stainless Steel Wire Standing Rigging
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