API Spec 15HR - High-Pressure Fiberglass Line Pipe
- Standard System: API (American Petroleum Institute)
- Current Edition: 2016, 4th
- Product Category: FRP Pipe - High Pressure
- Test Category: Product Specification
- Equivalent Standards: ISO 14692 / GB/T 29165 / SY/T 6267
Description
API Spec 15HR, High-Pressure Fiberglass Line Pipe, published by API. 4th Ed. (Feb 2016, R2021), ~42 pp. Covers 3.45–34.5 MPa (500–5,000 psi) rated fiberglass line pipe. Mechanical connections only. Glass-fiber-reinforced thermosetting resins (epoxy, polyester, vinyl ester, phenolic); thermoplastics excluded. Standard service: 20-yr life, 65.6°C salt water, 3,000-cycle low-cycle fatigue (0–120% rated), 10⁹-cycle high-cycle fatigue (R=0.9). Covers performance, design (Annex B), materials, tests (hoop modulus, Poisson’s ratio, DSC cure), marking, handling/storage/shipping, field pressure test (§12), and QA program (§8). Purchasing guidelines in §5.
Edition Notes
4th Ed (R2026 reaffirmed). Errata 1(2016)+2(2021)
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