Description of this manufacture hot dip galvanized steel wire for bridge cables
 
manufacture hot dip galvanized steel wire for bridge cables Hot dip galvanized steel wire for bridge cables is made by drawing 45#, 65#, 70# and other high quality carbon structural steel and then through galvanizing (electric galvanizing or hot dip galvanizing).galvanized steel wire The process flow of drawing after medium plating is as follows: steel wire - lead quenching - primary drawing - galvanized - secondary drawing - finished steel wire. galvanized steel wire strand Medium plating after drawing the characteristics of the lead quenched steel wire after a drawing of galvanized and then through two times of drawing to the finished product,manufacture galvanized steel wire galvanized between two drawing, so called 'medium plating,'. steel wire manufacture The steel wire zinc layer produced by medium plating and pull-out is thicker than that produced by first plating and pull-out. Hot dip galvanizing after drawing can give a high total compression rate (from the lead quenching to the finished product), than the first plated after drawing steel wire performance. Physical properties: galvanized steel wire surface smooth, smooth, no cracks, joints, pricking, scars and corrosion, galvanized layer uniform, strong adhesion, corrosion resistance lasting, toughness and elasticity is very good.
 
 
 
Parameters of this manufacture hot dip galvanized steel wire for bridge cables
 
 
Diameter
 dn/mm
Deviation /
mm
Out-of-roundness/
mm
 Sectional area Sn/
mm2
Reference weight per meter/
(g/m)
5.00
±0.06
≤0.06
19.6
153
7.00
±0.07
≤0.07
38.5
301
 
Diameter/
 
mm
Strength level
Rm/mpa
Extension strength
Rp0.2/mpa
Percentage elongation(Lo=250mm)A/%≥
 Stress relaxation
No relaxation
Class I
Class 2
initial load/% 
after1000hstress relaxation  r/%≥
5.00
1670
1770
1860
1340
1420
1490
1490
1580
1660
4.0
70
7.5
2.5
7.00
1670
1770
----
1490
1580
4.0
70
7.5
2.5
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