Type: | Welded |
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Technique: | ERW |
Material: | Carbon Steel |
Surface Treatment: | 2lpe/2PP |
Usage: | Pipeline Transport, Boiler Pipe, Oil/Gas Drilling |
Section Shape: | Round |
Customization: |
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Thickness of Anti-corrosive Coating
DN(mm) | Epoxy Powder (um) | Adesive Layer(um) |
Min thickness on the Coating(mm) |
|
Commom Level (G) |
Strength Level (S) | |||
DN ≤ 100 | ≥ 120 |
≥ 170 |
1.8 | 2.5 |
100< DN ≤250 | 2.0 | 2.7 | ||
250 < DN <500 | 2.2 | 2.9 | ||
500≤ DN <800 | 2.5 | 3.2 | ||
DN ≥800 | 3.0 | 3.7 |
Indexes of Polyethylene
NO. | Item (Tensile strength) | Indexes |
1. |
axial(MPa) | ≥ 20 |
axial(MPA) | ≥ 20 | |
deviation(%) | ≤15 | |
2. | elongation at break(%) | ≥ 600 |
3. | indentation hardness(mm)(23ºC)(50ºC/70ºC) |
≤0.2 ≤0.3 |
4. | loop tensile stress cracking resistance | ≥ 1000 |
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