T/SCSKJQYLHH 24-2024 Pyro-ceramic reinforced composite pipe

Scope

Main Technical Content: 6.2 Appearance 6.2.1 The colors of the inner and outer layers shall be uniform and consistent, and other colors may be agreed upon by the supplier and the buyer. 6.2.2 The surfaces of the inner and outer layers shall be clean and smooth, without air bubbles, indentations, impurities, or obvious scratches. 6.2.3 The ends shall be cut flat and perpendicular to the pipe axis, and the ends shall be sealed. 6.3 Dimensional Tolerances 6.3.1 The length, including the socket length, is generally 6 m ± 0.1 m, and other lengths shall be determined by the supplier and the buyer through negotiation. 6.3.2 The dimensions shall comply with Table 3. Table 3: Dimensional Tolerances of Basalt Reinforced Composite Pipes Unit: mm Item Nominal inner diameter (DN/ID) Detection method 200 300 400 500 600 800 Average inner diameter 195 294 392 495 588 792 GB/T 8806 Laminated wall thickness 1.3 1.3 1.3 1.6 3.2 Inner wall thickness 0.7 0.7 0.7 0.7 1.5 2.1 Outer wall thickness 0.6 0.6 0.7 0.8 1.3 1.8 Joint length 456 474 485 851 118 Socket wall thickness Complies with GB/T 19472.1—2019 Table 5 6.3.3 Wall thickness shall be measured according to GB/T 8806—2008, with the pipe cut into no less than four equal parts around its circumference to measure the laminated wall thickness, inner wall thickness, and outer wall thickness, and the minimum value shall be read. 6.4 Physical and Mechanical Properties shall comply with Table 4. Table 4: Physical and Mechanical Properties of Basalt Reinforced Composite Pipes Item Requirements Detection method Bending stiffness / (kN/m2) SN8≥8 GB/T 9647 SN10≥10 SN12.5≥12.5 SN16≥16 SN24≥24 Impact performance % ≤10 GB/T14152—2001 Flexural strength No cracking, no separation of the two walls, and no reverse bending of the inner wall GB/T 19472.1—2019 Oven test No delamination, no cracking

Development Information

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