3PE / FBE Coated Steel Pipe Specification & Coating Thickness Chart (DIN 30670 / ISO 21809)
API 5L Gr.B / X42 / X52 PSL2 · Q235B · 20# seamless or ERW substrate · DN50 – DN1200 / 2" – 48"
DIN 30670 · ISO 21809-1 · SY/T 0413 · GB/T 23257
Dimensions & weight table
Reference values for layout and freight estimates. Confirm critical dimensions against the latest ASME edition and your project ITP before procurement.
| NPS | DN | OD (mm) | Wall (mm) | FBE epoxy (μm) | Adhesive (μm) | PE topcoat (mm) | Total coating (mm) | Pipe weight (kg/m) |
|---|---|---|---|---|---|---|---|---|
| 2" | 50 | 60.3 | 3.91 | 80 | 170 | 2 | 2.5 | 5.3 |
| 3" | 80 | 88.9 | 5.49 | 80 | 170 | 2.2 | 2.7 | 11.3 |
| 4" | 100 | 114.3 | 6.02 | 100 | 200 | 2.5 | 3 | 16.1 |
| 6" | 150 | 168.3 | 7.11 | 100 | 200 | 2.8 | 3.5 | 28.3 |
| 8" | 200 | 219.1 | 8.18 | 125 | 250 | 3 | 3.8 | 42.5 |
| 10" | 250 | 273.1 | 9.27 | 125 | 250 | 3.2 | 4 | 60.3 |
| 12" | 300 | 323.9 | 10.31 | 150 | 250 | 3.5 | 4.3 | 84 |
| 16" | 400 | 406.4 | 12.7 | 150 | 300 | 3.8 | 4.8 | 125 |
| 20" | 500 | 508 | 15.09 | 175 | 300 | 4 | 5 | 183 |
| 24" | 600 | 610 | 17.48 | 175 | 300 | 4.2 | 5.2 | 255 |
| 28" | 700 | 711 | 19.05 | 200 | 350 | 4.5 | 5.5 | 328 |
| 32" | 800 | 813 | 20.62 | 200 | 350 | 4.8 | 5.8 | 406 |
| 36" | 900 | 914 | 22.23 | 200 | 350 | 5 | 6 | 488 |
| 40" | 1000 | 1016 | 24.61 | 225 | 400 | 5.2 | 6.5 | 575 |
| 48" | 1200 | 1219 | 27 | 225 | 400 | 5.5 | 7 | 785 |
EN 10204 3.1 mill test certificate with every shipment
Mill Test Certificate (EN 10204 3.1) for base pipe and coating batch records with in-house lab traceability.
In-house testing & MTR
Yanshan Hengzhenyuan Pipeline is the manufacturer: 3,000-ton hydraulic forming and a central materials lab on site. We do not claim third-party agency endorsements (SGS, BV, TÜV); release is based on our own equipment and EN 10204 3.1 mill test certificates.
-
1,000 kN Universal Tensile Testing Machine
Yield strength, tensile strength and elongation on heat-lot samples.
-
Industrial Cold Bend Tester
Weld ductility and base metal bending integrity per project ITP.
-
Direct-Reading Optical Emission Spectrometer (OES) & Handheld PMI
Full chemical composition and grade verification at receipt and release.
-
Ultrasonic Flaw Detector (UT) & Magnetic Particle Testing (MT)
Non-destructive testing for critical defects in pipe and welds.
Tests for this product
- 25 kV spark holiday detection on 100% of coated length before release
- Coating peel strength testing ≥ 100 N/cm on production coupons
- Impact and bend tests on coating samples per project ITP
- Dry-film thickness gauge mapping on FBE, adhesive and PE layers
Material data
- Operating temperature (PE layer)
- −20 °C to +80 °C typical buried service
- FBE fusion temperature
- 180–250 °C application window at line speed
- Holiday detection
- 25 kV spark test on completed coating — 100% coverage before dispatch
- Peel strength (23 °C)
- ≥ 100 N/cm (DIN 30670 / ISO 21809 acceptance)
- Impact resistance
- ≥ 5 J at −20 °C on representative samples
Manufacturing & quality assurance
Yanshan Hengzhenyuan Pipeline — integrated forming, heat treatment, machining and NDT for export utility and EPC programs.
Production capability
- Inline steel pipe surface blast cleaning Sa 2½ before coating
- Electrostatic FBE application with heated induction cure
- Extruded copolymer adhesive and PE topcoat for 3PE systems
- Integrated with Hengzhenyuan 3000T forming and mill pipe supply for export packages
Engineering FAQ
Quick RFQ
Include quantity, delivery port and required certificates. We will reply with pricing and lead time.