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GB 150.1-2011 Contents 1 Scope 2 Normative References 3 Terms and symbols 4 General requirements Appendix __________________________________________________________ GB 150.2-2011 1 Scope 2 Normative references 3 General requirements 4 Steel plates 5 Steel tubes and pipes 6 Steel forging 7 Steel bars for studs (including bolts) and nuts Appendix _________________________________________________________ GB 150.3-2011 1 Scope 2 Normative references 3 Cylinders and spherical shells under internal pressure 4 Cylinders and spherical shells under external pressure 5 Heads 6 Openings and reinforcements 7 Flange Appendix _________________________________________________________ GB 150.4-2011 1 Scope 2 Normative references 3 Terms 4 General provisions 5 Material retesting, segmentation and symbol transplantation 6 Cold forming hot forming and assembly 7 Welding 8 Heat treatment 9 Test piece and test specimen 10 Non-destructive inspection 11 Pressure test and leakage test 12 Layered vessel 13 Exfactory requirements for vessels
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