Galvanized steel strand for communication power overhead

钢绞线拼图

 

MV Stay wire

 

No Description Unit Specifications
1 Standard   BS 183
2 Material   Galvanized Steel
3 Grade   700
4 Standing No/mm 7/3.35
5 Strength MPa 1100

 

GROUND STEEL WIRE

 

 

Particulars

Unit Specifications
1

Standard Specification applied

  IEC 60888
2

Composition of ground wire

   
 

(a)       Strands

Nos 7
 

(b)       Layer

Nos 2
 

(c)       Strand diameter

mm 3.51
 

(d)       Diameter    of    complete

ground wire

mm 10.53
3

Ultimate   breaking   strength   of

stranded ground wire

kN 87.4
4

Resistance of ground wire per km

at 20°C

Ohms 2.8578
5

Weight per km of ground wire

kg 533
6

Modulus of elasticity

MPa 189 000
7

Coefficient   of    expansion   per

degree Celsius

/oC 11.5 x 10-6
8

Permanent elongation due to creep

m/m 0.3%
9

Packing:

   
 

(a)       Length  of  conductor  per

drum

m 1625
 

(b)       Net weight per drum

kg 865
 

(c)       Gross weight per drum

kg 910

 


Post time: Sep-23-2022