目录简介 | Contents Foreword 1 Scope 2 Normative references 3 Products classification and code 4 Dimension series 5 Technical requirements 6 Inspection 7 Inspection rules 8 Symbol 9 Delivery quality certificate 10 Package, transportation and storage Annex A (Informative) Dimension series for pipes and fittings of steel lined with plastic Annex B (Informative) Corrosion resistance to some chemical mediators of plastic lining layer of pipes and fittings of steel lined with plastics Annex C (Normative) Dimension deviation and geometric tolerance of pipes and fittings of steel lined with plastics Annex D (Normative) Negative pressure test method Annex E (Normative) Determination method of shear strength Annex F (Normative) High temperature resistance test Annex G (Normative) Low temperature resistance test method |