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1×7 structural galvanized steel strand is a single stranded metal product manufactured by twisting 7 hot-dip galvanized steel wires in the same direction or alternately using advanced twisting processes. Compliant with YB/T 5004-2012 standard, this product features a steel wire strength range of 1175-1570MPa and offers exceptional high strength, corrosion resistance, and easy installation characteristics.
Technical Specifications
YB/T 5004-2012 Standard Specifications
Structure
Wire Diameter (mm)
Wire Strand Diameter (mm)
Cross Section Area (mm²)
Nominal Tensile Strength/MPa
Approx. weight (kg/km)
1270
1370
1470
1570
1670
1x7
1.00
3.00
5.50
6.43
6.93
7.44
7.94
8.45
43.70
1x7
1.20
3.60
7.92
9.25
9.98
10.71
11.44
12.17
62.90
1x7
1.40
4.20
10.78
12.60
13.59
14.58
15.57
16.56
85.60
1x7
1.60
4.80
14.07
16.44
17.73
19.03
20.32
21.62
112.00
1x7
1.80
5.40
17.81
20.81
22.45
24.09
25.72
27.36
141.00
1x7
2.00
6.00
21.99
25.69
27.72
29.74
31.76
33.79
175.00
1x7
2.20
6.60
26.61
31.10
33.55
36.00
38.45
40.88
210.00
1x7
2.60
7.80
37.17
43.43
46.85
50.27
53.69
57.11
295.00
1x7
3.00
9.00
49.50
57.86
62.42
66.98
71.54
76.05
411.90
1x7
3.20
9.60
56.30
65.78
70.46
76.14
81.32
86.50
447.00
1x7
3.50
10.50
67.35
78.69
84.89
91.08
97.28
103.48
535.00
1x7
3.80
11.40
79.39
92.76
100.10
107.40
114.70
121.97
630.00
1x7
4.00
12.00
87.96
102.80
110.90
119.00
127.00
135.14
698.00
Product Overview
Key Advantages
Excellent Corrosion Resistance: Hot-dip galvanized surface with zinc layer thickness exceeding 20μm, providing effective protection against atmospheric, rainwater, salt spray, and mild acid-base corrosion
High Strength and Load Capacity: Single steel wire tensile strength reaches 1270-1860MPa. The 1×7 structure achieves uniform stress distribution through twisting technology, with overall breaking force exceeding 6.5 times that of single steel wire of same diameter
Superior Process Performance: Moderate flexibility enables bending and folding operations, facilitating on-site cutting, installation, and anchoring
Applications
Electric Power & Communication
Ground wire (lightning protection wire) for overhead transmission lines, providing mechanical support and lightning protection
Strengthening core for communication optical cables to enhance line tensile strength
Cable systems for substations and communication towers to improve structural stability
Transportation & Construction
Blocking cables for highway crash barriers to absorb impact energy
Suspension components for building curtain walls to bear glass curtain wall loads
Temporary support structures for large venues during construction phase
Industrial & Agricultural
Mooring column cables at port terminals for securing ship berths
Skeleton support for greenhouses to resist wind and snow loads
Traction steel cables for mining equipment in lifting and dragging operations
Quality Certifications
Our steel wire rope meets international production standards and holds multiple certifications:
SGS
CE
ISO
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Year Established:
1996
Total Annual:
50 million US dollars-70 million US dollars
Ecer Certification：
Verified Supplier
Shandong Bangyi company is a manufacturer who only focus on galvanized steel wire rope, galvanized steel strand,
PC steel strand with morethan 30 years of experience in production. Annual output exceeding 70000 tons.
Our product diameter range includes galvanized steel wire rope: 1-20mm; galvanize... Shandong Bangyi company is a manufacturer who only focus on galvanized steel wire rope, galvanized steel strand,
PC steel strand with morethan 30 years of experience in production. Annual output exceeding 70000 tons.
Our product diameter range includes galvanized steel wire rope: 1-20mm; galvanize...
