7x2.03mm,7x2.64mm,7x3.05mm,19x2.54mm Galvanized steel wire cable for messenger as per ASTM A 475 Class A EHS
1.Techncial date
EN 50189 Standard
| Table 1. Initial Settings for Determining Stress 1% Extension |
| Nominal Wire Diameter | Initial Stress | Initial setting of extensometer for a gauge length of 250mm2 |
| mm | N/mm2 | |
| 1.24 | 2.25 | 100 | 0.125 |
| 2.25 | 3 | 200 | 0.25 |
| 3 | 4.75 | 300 | 0.375 |
| 4.75 | 5.5 | 400 | 0.5 |
| For other gauge lengths, multiply the initial setting by the gauge length in mm divided by 250 |
| Table 2. Zinc Coating Requirements |
| Nominal Wire Diameter | Class A | Class B | Class C | Class D | Class E |
| mm | Min. mass of Zn g/m2 | Min. no. of one minute dips | Min. mass of Zn g/m2 | Min. no. of one minute dips | Min. mass of Zn g/m2 | Min. no. of one minute dips | Min. mass of Zn g/m2 | Min. no. of one minute dips | Min. mass of Zn g/m2 | Min. no. of one minute dips |
| Over | Up to and incl. | | | | | | | | | | |
| 1.24 | 1.5 | 185 | 2 | 370 | 3.5 | 150 | 1 | 365 | 3 | 185 | 2 |
| 1.5 | 1.75 | 200 | 2 | 400 | 3.5 | 160 | 1.5 | 460 | 3.5 | 200 | 2 |
| 1.75 | 2 | 215 | 2.5 | 430 | 4 | 175 | 2 | 550 | 4 | 215 | 2.5 |
| 2 | 2.25 | 215 | 2.5 | 430 | 4 | 175 | 2 | 550 | 4 | 250 | 3.5 |
| 2.25 | 2.75 | 230 | 3 | 460 | 4 | 190 | 2.5 | 640 | 5 | 250 | 3.5 |
| 2.75 | 3 | 230 | 3 | 460 | 4 | 190 | 2.5 | 640 | 5 | 250 | 3.5 |
| 3 | 3.5 | 245 | 3.5 | 490 | 4 | 205 | 3 | 730 | 6 | 250 | 3.5 |
| 3.5 | 4.25 | 260 | 3.5 | 520 | 4 | 260 | 3.5 | 730 | 6 | 260 | 3.5 |
| 4.25 | 4.75 | 275 | 4 | 550 | 4 | 275 | 4 | 775 | 6 | 275 | 4 |
| 4.75 | 5 | 200 | 4 | 580 | 5 | 290 | 4 | 825 | 6 | 290 | 4 |
| Table 3. Mechanical Properties of ST1A Wires |
| Nominal wire diameter | Diameter tolerance | Stress at 1% extension | Tensile strength | Elongation on 250mm | Mandrel diameter for wrapping test | No. of torsion twists |
| mm | mm | Mpa(N/mm2) | Mpa(N/mm2) | - | - | - |
| over | Up to and incl. | | | | | | |
| 1.24 | 1.5 | ±0.03 | 1170 | 1400 | 3 | 1 | 18 |
| 1.5 | 1.75 | ±0.03 | 1170 | 1400 | 3 | 1 | 18 |
| 1.75 | 2.25 | ±0.03 | 1170 | 1400 | 3 | 1 | 18 |
| 2.25 | 2.75 | ±0.04 | 1140 | 1350 | 3 | 1 | 16 |
| 2.75 | 3 | ±0.05 | 1140 | 1350 | 3.5 | 1 | 16 |
| 3 | 3.5 | ±0.05 | 1100 | 1300 | 3.5 | 1 | 14 |
| 3.5 | 4.25 | ±0.06 | 1100 | 1300 | 4 | 1 | 12 |
| 4.25 | 4.75 | ±0.06 | 1100 | 1300 | 4 | 1 | 12 |
| 4.75 | 5.5 | ±0.07 | 1100 | 1300 | 4 | 1 | 12 |
2.Our Products:
Galvanized steel wire
Galvanized steel core wire
Galvanized steel core wire for ACSR Conductor
Galvanized steel wire strand
Galvanized steel wire cable
Galvanized steel wire strand for messenger
Galvanized steel wire strand for guy wire
Galvanized steel wire strand for stay wire
Galvanized steel wire strand for overhead transmission line.
3.Factory tour
4.Exhibition show
Welcome to enquiry our products
Attn:Ms Nancy
E-mail:greatsteelwirecable@yahoo.com
13855514957
Mobile:86-13855514957
What'sapp:86-13855514957
Skype:nancylsl
Web:www.greatsteelwirecable.com
Product Tags:
|
|
19x2.54mm Galvanized Steel Wire Cable For Messenger ASTM A 475 Class A EHS Images
|
