Galvanized Steel Strand, 3/8” (7 Strands)
Norm: ASTM A475 – Standard Specification for Zinc-Coated Steel Wire Strand
Dimensional Characteristics
Nominal Conductor Diameter : 3/8” (9.52 mm)
Number of Strands : 7
Nominal Diameter of Steel Strands: : 0.120” (3.05 mm)
Approximate Weight : 273 lb./1000 ft (407 kg/km)
Stranding Lay (unless otherwise specified) : Left Lay
Mechanical Characteristics
Utilities Grade (UTIL)
Minimum Breaking Strength of Strand : 11,500 lbf (51.155 kN)
Minimum Elongation (24” or 610 mm) : 4%
Common Grade
Minimum Breaking Strength of Strand : 4,250 lbf (18.905 kN)
Minimum Elongation (24” or 610 mm) : 10%
Siemens-Martin Grade (SM)
Minimum Breaking Strength of Strand : 6,950 lbf (30.915 kN)
Minimum Elongation (24” or 610 mm) : 8%
High Strength Grade (HS)
Minimum Breaking Strength of Strand : 10,800 lbf (48.040 kN)
Minimum Elongation (24” or 610 mm) : 5%
Extra High Strength Grade (EHS)
Minimum Breaking Strength of Strand : 15,400 lbf (68.503 kN)
Minimum Elongation (24” or 610 mm) : 4%
Galvanization Characteristics
Nominal Diameter of Steel Strands : 0.120” (3.05 mm)
Minimum Weight of Coating Zinc of Uncoated Wire Surface
• Class 1 – 0.30 oz/ft² (92 g/m²)
• Class A – 0.85 oz/ft² (259 g/m²)
• Class B – 1.70 oz/ft² (519 g/m²)
• Class C – 2.55 oz/ft² (778 g/m²)
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