Pipe coating raw materials
• FBE
• Adhesive
• PE
• PP
Accessories
Wire Mesh for CWC
Execution standard
ASTM A810,ASTM A82,ASTM A185,ASTM A641M
Wire mesh size and allowable deviation
|
Direction of the mesh |
Mesh size (mm) requirements |
The wire diameter (mm) |
Wire mesh width |
|
Vertical |
25.4/50.8±2 |
2.55±0.08 |
190.5±5 |
|
Horizontal |
67.0±5 |
2.0±0.08 |
Each roll of wire mesh specifications and structure size requirements
|
Each roll area （m2） |
Length of each roll(m) |
Steel net hole diameter(mm) | The diameter of each roll steel net(mm) | Weight of each steel net（kg） |
|
40 |
210 |
200±10 |
1000（Max） |
71±2 |
The chemical composition of steel wire
|
The element |
Percentage % |
|
C |
0.14~0.20 |
|
Si |
≤ 0.30 |
|
Mn |
≤ 0.75 |
|
P |
≤ 0.04 |
|
S |
≤ 0.05 |
|
Zinc(Coating） |
Not less than 99.5% |
The tensile testing requirements of steel wire
|
Test item |
Technical indicators |
|
Tensile strength |
≥485Mpa |
|
The yield strength |
≥385 Mpa |
|
Elongation at break |
≥15% |
The sample number of mechanics performance test
| Test item |
Sampling number(Unit) |
| Tensile test |
3 |
| Flexibility test |
3 |
| Weld shear strength test |
4 |
