T/GZHG 040-2026 Industrial PVC-C steel-plastic composite pressure pipe

Scope

8 Technical Requirements Color Generally gray or red, which can also be determined by mutual agreement between the supplier and the buyer. Appearance The inner and outer surfaces should be smooth and flat, clean, without bubbles, scratches, indentations, obvious impurities, or uneven color. The ends of the pipe should be cut flat and perpendicular to the pipe axis. Specifications and Dimensions 8.3.1 Length Generally 4 m or 6 m, which can also be determined by mutual agreement between the supplier and the buyer. 8.3.2 Dimensions The dimensions of the pipe material should comply with the provisions of Table 2. Table 2: Dimensions of Pipe Materials Unit: mm d dem,mi ≥ dem,max ≤ Inner wall thickness ≥ Outer wall thickness ≥ Steel strip thickness ≥ Pipe wall thickness Maximum non-roundness Wall thickness Deviation 20 20.0 20.3 1.0 0.4 0.3 2.0 +0.4 -0.2 0.5 25 25.0 25.3 1.0 0.5 0.3 2.5 +0.4 -0.2 0.5 32 32.0 32.3 1.2 1.0 0.3 3.0 +0.4 -0.2 0.5 40 40.0 40.4 1.3 1.2 0.4 3.5 +0.5 -0.2 0.5 50 50.0 50.5 1.5 1.5 0.5 4.5 +0.8 -0.6 63 63.0 63.6 1.8 1.7 0.6 5.0 +0.9 -0.8 75 75.0 75.7 2.2 2.0 0.6 5.5 +1.0 -0.9 90 90.0 90.8 2.4 2.1 0.8 6.0 +1.2 -1.1 110 110.0 110.9 2.4 2.2 0.8 6.5 +1.4 -1.4 125 125.0 125.6 2.5 2.4 0.8 6.8 +1.5 -1.5 160 160.0 161.6 2.5 2.4 1.4 7.0 +1.6 -2.0 200 200.0 202.0 2.5 2.4 1.6 7.5 +1.8 -2.4 250 250.0 252.4 4.1 2.5 2.5 9.5 +2.2 -3.0 315 315.0 317.6 4.1 3.5 3.0 11.0 +2.4 -3.5 400 400.0 403.0 4.6 3.5 4.0 12.5 +2.8 -4.0 Physical and Mechanical Properties They shall comply with the provisions of Table 3. Table 3: Physical and Mechanical Properties Item Requirements Inner and outer resin Density/(kg/m3) ≥ dem,max ≤

Development Information

Related Standards