$400-850 /Ton
| Payment Type: | L/C,T/T,D/P,D/A |
| Incoterm: | FOB,DAF,DES,CFR,CIF,EXW,FAS,FCA,CPT |
| Min. Order: | 1 Ton |
| Transportation: | Ocean,Land |
| Port: | Tianjin,Shanghai,Qingdao |
Brand: Youfa
Standard: Bs, Gb, Astm, Jis, Din, Api
Material: 10mowvnb, Cr-Mo Alloy, Crni Alloy, Stpa22-Stpa26, Api J55-Api P110, 16mn, Stb35-Stb42, Mo, A53-A369, 10cr9mo1vnb, Stpg42, Stba20-Stba26, Q195-Q345, Mn-V Alloy, 15nicumonb5, St35-St52, 10#-45#
Section Shape: Round
Place Of Origin: China
Application: Fluid Pipe, Structure Pipe, Boiler Pipe, Drill Pipe, Hydraulic Pipe, Gas Pipe, Oil Pipe, Chemical Fertilizer Pipe
Production Process: Cold Drawn
Certification: Bsi, Ce, Ul, Api
Special Tube: Api Pipe, Emt Pipe, Thick Wall Pipe
Whether Alloy: Is Alloy
Tolerance: ±1%, ±10%
Category: Welded Steel Pipe
Processing Service: Bending, Welding, Decoiling, Punching, Cutting
| Selling Units | : | Ton |
| Package Type | : | Exporting seaworthy standard or as request. |
| Picture Example | : |
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The advantages of antiseptic pipe
1. Perfect impact resistance, friction resistance, shock resistance
2. High acid alkali salt resistance
3. High electrical-shock resistance
4. low oozing water rate
5. Long use time
3 Layer PE Coating Steel Pipe Technical Instructions
Structure of the 3PE coating steel pipe
Three layer PE coating anti-corrosive steel pipe carry out the standard of GB/T23257-2009 and DIN30670.
Structure:inner steel pipe,epoxy powder coating,middle layer of adhesive,outer layer of high density polyethylene
3PE coating manufacturing process
Production process
Steel pipe inspection→Steel pipe pre-heating→Steel pipe shot-blasting→Anchor pattern depth/Cleanness inspection→Steel pipe medium→frequency heating→Epoxy powder spraying→Adhesive coating→Polyethylene Wrapping-Water cooling to 60ºC below→Online electric spark→Pipe end treatment→Finished product inspection→Product marking→Certification sticking→In storage
Specification of Thickness of Anti-corrosive Coating Layer
| DN of steel pipe | Epoxy powder | Adhesive Layer | Minimum thickness of the coating(mm) | |
| Common Level(G) | Strengthen Level(S) | |||
| DN≤100 | ≥120 | ≥170 | 1.8 | 2.5 |
| 100 | 2.0 | 2.7 | ||
| 250 | 2.2 | 2.9 | ||
| 500≤DN<800 | 2.5 | 3.2 | ||
| DN≥800 | 3.0 | 3.7 | ||
Properties of the Epoxy Powder
| NO. | Item | Indexes |
| 1 | Size distribution(%) | 150μm oversize powder≤3.0 |
| 2 | Volatiles(%) | ≤0.6 |
| 3 | Density(g/m3) | 1.3-1.5 |
| 4 | Gel time(230ºC)/(S) | 15-30 |
| 5 | Fixed time(230ºC)/(min) | ≤3 |
Properties of Fusion Bonded Epoxy Coating
| NO. | Item | Indexes |
| 1 | Adhesive(grade) | ≤2 |
| 2 | Cathodic disbonding(65ºC,48h)/(mm) | ≤8 |
| 3 | Cathodic disbonding(65ºC,30h)/(mm)) | ≤15 |
| 4 | Counter bending(-20,2.5) | No cracks |
Properties of adhesive
| NO. | Item | indexes |
| 1 | Density (g/m3) | 0.920-0.950 |
| 2 | MFR(190ºC,2.16kg)/(g/10min) | ≥0.7 |
| 3 | Vicat softening point(ºC) | ≥90 |
| 4 | Brittle temperature(ºC) | ≤-50 |
| 5 | Oxidation induction time(OIT) | ≥10 |
| 6 | Moisture content(%) | ≤0.1 |
| 7 | Tensile strength(MPa) | ≥17 |
| 8 | Elongation at break(%) | ≥600 |
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