This standard specifies the classification, code, dimensions, appearance, weight, technical requirements, test methods, inspection rules, packing, marking and quality certificate related to the seamless steel tubes for petroleum cracking.
This standard is applicable to the seamless steel tubes for use of furnance tube, heat exchanger tube and pressure piping in the petrochemical industry.
Foreword I
1 Scope 1
2 Normative References 1
3 Classification and Code 3
4 Order Contents 4
5 Dimension, Shape, Weight and Permissible Deviation 4
6 Technical Requirements 7
7 Test Method 14
8 Inspection Rules 15
9 Packaging, Marking and Quality Certificate 16
Appendix A (Informative) Comparison of Similar Steel Grade 17
Appendix B (Normative) Supplemental Technical Specifications for Anti-cleavage of Quality Carbon Structural Steels Tube Used for H2S-inclusive Environment 18
This standard specifies the classification, code, dimensions, appearance, weight, technical requirements, test methods, inspection rules, packing, marking and quality certificate related to the seamless steel tubes for petroleum cracking.
This standard is applicable to the seamless steel tubes for use of furnance tube, heat exchanger tube and pressure piping in the petrochemical industry.
Contents of GB 9948-2013
Foreword I
1 Scope 1
2 Normative References 1
3 Classification and Code 3
4 Order Contents 4
5 Dimension, Shape, Weight and Permissible Deviation 4
6 Technical Requirements 7
7 Test Method 14
8 Inspection Rules 15
9 Packaging, Marking and Quality Certificate 16
Appendix A (Informative) Comparison of Similar Steel Grade 17
Appendix B (Normative) Supplemental Technical Specifications for Anti-cleavage of Quality Carbon Structural Steels Tube Used for H2S-inclusive Environment 18