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K7 Low Relaxation steel PC strand
Seven-wire GOST R 53772-2010
Manufacturer:
ARMASTEEL INDUSTRIES JSC, Murom
ARMASTEEL INDUSTRIES JSC, Murom
Technical specifications
Type: Seven-wire low relaxation
Diameters: from 9.3mm to 15.2mm
Breaking Tension: 1860; 1960 n/mm 2 (strength class)
Types of packaging
Open
Weight of the coil from 0.5 t to 3 t with strapping steel tape
Sizes
Height: 300mm — 800mm
Inner diameter: 800mm
Outer diameter: 1000-1200mm
Closed
Weight of the coil from 0.5 t to 3 t with strapping steel tape, wrapped in synthetic material
Sizes
Height: 300mm — 800mm
Inner diameter: 800mm
Outer diameter: 1000-1200mm
Sizes
Height: 600mm-800mm
Inner diameter: 800mm
Outer diameter: 1000-1200mm
Classification of K7 rope
The K7 rope is classified according to the nominal diameter dk7, which corresponds to the diameter of the circumscribed circle around the rope section
The K7 rope is classified according to the nominal diameter dk7, which corresponds to the diameter of the circumscribed circle around the rope section
Standard sizes
and characteristics of K7
|
Designation K7-dk7 |
Cross section Sk10, мм2 |
Temporary tear resistance n/mm2 |
|---|---|---|
| K7 — 9,3 | 52 | 1860, 1960 |
| K7 — 12,5 | 93 | 1770, 1860 |
| K7 — 12,7 | 98,7 | 1770, 1860 |
| K7 — 15,2 | 139 | 1770, 1860 |
| K7 — 15,7 | 150 | 1770, 1860 |
Example
of a rope symbol
K7 when ordering
We recommend the use of 10-wire reinforcement rope K10, which has significant economic andtechnical advantagesover K7
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