Home » Products » Standards » BS4565-1990

BS4565-1990 Standard

Table 1. Initial Settings for Determining Stress 1% Extension
Nominal Diameter of Galvanized Steel Wire Initial Stress N/mm2 Initial Setting of Extensometer mm/mm
> <
mm mm
1.18 2.24 95 0.05
2.24 3.15 190 0.10
3.15 5.00 285 0.15
Table 2. Tensile Strength and Stress at 1% Elongation
Nominal Diameter of Galvanized Steel Wire Tensile Strength minimum N/mm2 Stress at 1% elongation minimum N/mm2
> <
mm mm
1.18 2.24 1400 1180
2.24 3.15 1320 1140
3.15 5.00 1320 1100
Table 3. Properties for High Strength Galvanized Steel Wire for ACSR
Tensile strength grade N/mm2, min. 1550 1700 1800
Nominal diameter of galvanized wire Min. stress at 1% elongation Min. elongation L0+=200mm% Steel wrap test dia. Min. stress at 1% elongation Min. elongation L0+=200mm% Steel Wrap test dia. Min. stress at 1% elongation Min. elongation L0+=200mm% Steel wrap test dia.
> ≤
mm mm
1.18 1.32 1260 3.0 1d 1320 3.0 2d 1370 3.0 3d
1.32 1.80 1260 3.5 1d 1320 3.0 2d 1370 3.0 3d
1.80 2.24 1260 3.5 2d 1320 3.0 2d 1370 3.0 3d
2.24 2.72 1260 3.5 2d 1320 3.5 3d 1370 3.0 3d
2.72 2.90 1260 3.5 2d 1320 3.5 3d 1370 3.0 3d
2.90 4.00 1220 4.0 3d 1280 3.5 3d - - -
4.00 5.00 1220 4.0 3d - - - - - -
d=Nominal diameter of galvanized wire
L0= Original Gauge Length
Table 4. Conversions of Tensile Strength and Stress at 1% Elongation
N/MM2 tonf/in2
1100 71.2
1140 73.8
1180 76.4
1220 79.0
1260 81.6
1280 82.9
1320 85.5
1370 88.7
1400 9.07
1550 100.4
1700 110.1
1800 116.6
Other Products
  • 1*7 Galvanized Stranded WireOur galvanized stranded wires provide a combination of superior properties compared to conventional six strand ropes. With compacted structure and smooth face, this 1*7 galvanized stranded wire provides enhanced durability and resistance to abrasion and crushing...
  • Prestressed Concrete Strand Wire (PC Strand) Prestressed concrete strand wire is used in prestressed concrete construction. It can be used for overpasses, the safety shell of nuclear power stations, television towers, water towers, anchoring the rock, water conservancy and hydropower projects.
  • 11.11mm Prestressed Concrete Strand Wire, PC StrandPrestressed concrete strand wire is used in prestressed concrete construction. It can be used for overpasses, the shell safety of nuclear power stations, television towers, water towers, anchoring the rock, water conservancy and hydropower projects.
  • 3.05mm Galvanized Steel WireThe galvanized steel wire offers high tensile strength.
    It offers high breaking strength.
    The galvanized steel wire offers adhesive and flexible performance.
    It offers excellent antirust performance.
    Our galvanized steel wire can be used for wire-cloth ...

Company Brief: Dingtai Rare Earth and New Materials Co., Ltd has been a steel wire, stranded wire and PC strand manufacturer in China since 1992. Some of the specialized products that we provide are 0.8mm - 5.18mm galvanized steel wire with superior corrosion resistance; 1*3, 1*7 and 1*19 stranded wire featuring enhanced durability and abrasion resistance; and 9.5mm to 17.80mm prestressed concrete strand wire which offers high tensile strength.