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Compacted Strand Wire Rigging

Compacted Strand stainless steel wire is designed for high performance shrouds, backstays and forestays on sailboats and yachts committed to racing or extended/performance cruising.

The dyformed compact strand structure delivers lower stretch and higher break loads per given diameter than standard 1x19 wire.

The increase in performance comfortably offsets the minimal weight increase.

2.5mm, 3mm and 4mm diameters are available in 1x7 construction ~ 5mm up to and including 12mm diameter is manufactured in 1x19 construction ~ 14mm diameter and larger is manufactured in 1x36

Jimmy Green Marine currently source all their Compacted Strand wire from Petersen Stainless and hamma™ Pro Strand

Jimmy Green Marine operate a strict accountability process for every reel of wire that the Jimmy Green Rigging Team use and record the corresponding batch number 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 Petersen Stainless 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

KOS compact strand wire will be available soon. Enquire via email for more details if it is not listed in the products below

Petersen Compacted Strand Stainless Steel Rigging Wire

Manufactured in Europe from high quality European AISI 316 stainless steel grade 1.4401

Polished in the fully austentic condition to give maximum corrosion resistance Dimensions and tensile grades conform to EN 12385 and EN 10264 which stipulate tolerances on nominal diameter and minimum tensile strength for wire sizes.

Petersen Compact Strand Facts and Features:

  • 2.5mm, 3mm and 4mm diameters = 1x7 construction
  • 5mm up to and including 12mm diameter = 1x19 construction
  • 14mm diameter and larger = 1x36 construction
  • Compacting process makes it denser, heavier 
  • Sleek, uniform, burnished finish
  • Superior corrosion resistance
  • Appreciably stronger than standard 1x19 construction
  • Increased strength means a greater safe working load factor - the load applied to the rig is a smaller percentage of the break load
  • Lower stretch characteristic than standard 1x19 wire
  • Compact Strand is generally acknowledges as a high performance rigging wire
  • Pre-stressing is not required
Manufacturer Minimum Break Load for stainless steel wire, showing the comparison between KOS 7x19, KOS 1x19, Petersen Compacted Strand and hamma™ Pro Strand (also compacted strand)
Wire Diameter 2mm 2.5mm 3mm 4mm 5mm 6mm 7mm 8mm 10mm 12mm
KOS 1x19 Stainless Steel AISI 316 320kg 500kg 720kg 1280kg 2000kg 2880kg 3560kg 4640kg 7250kg 10400kg
KOS 7x19 Stainless Steel AISI 316 225kg 355kg 510kg 910kg 1420kg 2040kg 2780kg 3630kg 5670kg 7660kg
Petersen Compact Strand Stainless Steel AISI 316 440kg 690kg 1000kg 1780kg 2600kg 3600kg 5000kg 6300kg 10000kg 14500kg
hamma™ Pro Strand 450kg 700kg 1025kg 1795kg 2600kg 3700kg 5100kg 6500kg 10250kg 14400kg

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 Construction MBL Stretch mm/mm 100kg 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 26.0kg
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 54.0kg
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 are 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.

hamma™ Pro Strand

The hamma™ brand is world renowned as a hallmark of quality for stainless steel rigging wire and components manufactured to withstand the rigours of modern day yachting.

The hamma™ manufacturing facility is a state of the art, modern factory located in Thailand with over 550 employees including 60 highly skilled engineers who specialise in the design and production of marine tensile stainless steel solutions.

hamma™ Strand stainless steel wire rope is all produced under strict quality control procedures in accordance with ISO9001:2008 quality control, complemented by ISO17025 certification.

hamma™ Pro Strand manufacture includes a special strand compaction engineering process that decreases the constructional stretch of the wire and increases the break load capacity.

hamma™ technologically advanced production techniques ensure that there is no need to pre-stress the wire before use.

hamma™ Pro Strand Facts and Features:

  • Compacted Strand 1x7 (up to 4mm) or 1x19 (5-12mm) construction
  • c 30% higher break load than conventional 1x19 wire
  • Lower stretch than standard 1x19 rigging wire
  • Smooth, clean aesthetically superior finish
  • Pre-stressing is not required

hamma™ Regatta components are available to match the superior performance of the wire

Diameter Construction MBL
2.5mm 1x7 700kg
3mm 1x7 1025kg
4mm 1x7 1795kg
5mm 1x19 2600kg
6mm 1x19 3700kg
7mm 1x19 5100kg
8mm 1x19 6500kg
10mm 1x19 10250kg
12mm 1x19 14400kg

MBL = hamma™ rated minimum break load

Read More
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5mm 1x19 Compact strand Compact Strand Stainless Steel Wire Rigging
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10mm 1x19 Compact strand Compact Strand Stainless Steel Wire Rigging
12mm 1x19 Compact strand Compact Strand Stainless Steel Wire Rigging
14mm 1x36 Compact Strand Stainless Steel Wire Rigging
16mm 1x36 Compact Strand Stainless Steel Wire Rigging
50 Metre Coil Deal - Compact strand stainless steel