规格mm收缩前尺寸(mm)收缩后尺寸(mm)标准包装适用范围(mm)内径壁厚内径壁厚Φ1.5≥1.5≤0.35≤0.9≥0.650m/包1～1.4Φ2≥2≤0.5≤1.2≥0.850m/包1.3～1.9Φ3≥3≤0.5≤1.8≥0.850m/包1.9～2.9Φ4≥4≤0.6≤2.5≥1.050m/包2.6～3.9Φ5≥5≤0.6≤3≥1.050m/包3.1～4.9Φ6≥6≤0.6≤3.6≥1.050m/包3.7～5.9Φ8≥8≤0.6≤5.0≥1.020m/包5.1～7.9Φ10≥10≤0.9≤6.0≥1.520m/包6.1～9.5Φ12≥12≤0.9≤7.2≥1.520m/包7.3～11.5Φ15≥15≤0.9≤9≥1.520m/包9.1～14.5Φ17≥17≤0.9≤10.5≥1.520m/包11～16.5Φ20≥20≤0.9≤12.5≥1.510×1m/包13～19Φ25≥25≤1.2≤15.0≥2.010×1m/包16～24Φ30≥30≤1.2≤18.5≥2.010×1m/包19～29Φ40≥40≤1.2≤24≥2.010×1m/包25～38)