Stainless Steel Wire Rope, Wire Strand, Stainless Cable - Marine Grade 316
Stainless Steel Wire Rope
General Information
Stainless Steel Wire Rope, Strand, Cable - Marine Grade 316
Stainless Steel Solutions provide stainless steel wire rope and cable in a variety of different constructions and sizes.
Stainless Steel Cable & Stainless Wire Rope is highly corrosion resistant & decorative. Excellent for marine rope rigging, stainless steel cable railing, architectural cables, cable balustrading, cable display systems.
Available from stock in
Wire rope and Strand manufactured from high tensile, high quality AISI 316 stainless steel grade 1.4401 in fully austenitic condition to give maximum corrosion resistance.
Dimensions and tensile grades conform to BS MA 29 which stipulates tolerances on nominal diameter and minimum tensile strength for wire rope sizes amd minimum breaking forces for strands and ropes.
Stainless steel wire rope can be provided cut to length, as full reels or made up into full wire rope assemblies to meet customer requirements.
Technical Information
Stretch in Stainless Steel Wire Ropes
Stretch is a characteristic of all stainless wire ropes; constructional stretch initially (as the individual wires 'bed down') and then as conventional elastic stretch. This permanent stretch can be as much as 0.1% for a 1x19 strand.
Elastic Stretch
Once a stainless steel cable has bedded down it will obey Hookes Law; elastic stretch will be proportional to the load applied. Resistance to this stretch is determined by the modulus of elasticity.
Pre-Stressing
Where stretch is critical to the application, constructional stretch can be eliminated by pre-tensioning or pre-stressing the wire rope. This can be carried out during manufacture or swaging.
Pre-stressing is usually only applicable on large bridge structures and is not necessarily appropriate on structures where rigging screws and tensioning devices are used to take up any stretch.
Elastic stretch can be calculated by the following formula: Elastic Stretch = (W x L) / (E x A)
W = Applied Load ( kN ) L = Cable length ( mm ) E = Strand Modulus ( kN/mm2) A = Area of Cable = (D2 x pi) / 4 (where D= Dia of cable mm)
Typical values for E are: 1x19 = 107.5 kN / mm 2 7x7 = 57.3 kN / mm 2 7x19 = 47.5 kN / mm 2 Dyform = 133.7 kN / mm2
Factors of Safety
Factors of safety should always be applied when calculating maximum loading conditions for wire rope assemblies. In cases of doubt, an engineer should be consulted to assess the loading and advise on suitable factors of safety to ensure that overloading cannot occur.
To convert kN to KgF divide by 0.009807. To convert kN to LbF divide by 0.004448.
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