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Standard: YB4026-91. Applicable to slope protection mesh, general-purpose guardrail, woven net fence for grassland, and twisted net fence, which can effectively prevent natural disasters such as mountain landslide and mud-rock flow.
|
Category of steel wire |
Nominal diameter (mm) |
Tensile strength (MPa) | |
|
Name |
Marker | ||
|
Steel wire for general guardrail |
GS |
3.20-5.00 |
350-660 |
|
GM |
2.50 |
750-1050 | |
|
GH |
1.50-3.20 |
1000-1700 | |
|
Steel wire for barbed guardrail |
BS |
1.40-2.80 |
350-660 |
|
BH |
1.50-1.80 |
900-1500 | |
|
Steel wire for grassland woven net |
PS |
1.90-4.00 |
350-660 |
|
FM |
1.90-4.00 |
550-900 | |
|
Steel wire for stranded net |
FH |
2.50-4.00 |
900-1250 |
|
CS |
2.00-5.00 |
350-660 | |
|
Diameter of steel wire (mm) |
Weight of zinc coating not less than (g/m2) | ||||
|
Level of zinc coating | |||||
|
A |
B |
C |
D | ||
|
AS |
AH | ||||
|
1.40-1.90 |
230 |
180 |
100 |
70 |
30 |
|
1.90-2.50 |
240 |
205 |
110 |
80 |
40 |
|
2.50-3.20 |
260 |
230 |
125 |
90 |
45 |
|
3.20-3.60 |
270 |
250 |
135 |
100 |
50 |
|
3.60-4.00 |
280 |
250 |
135 |
100 |
60 |
|
4.00-4.50 |
290 |
260 |
135 |
110 |
60 |
|
4.50-5.00 |
290 |
270 |
150 |
110 |
70 |
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