This standard specifies the classification, code, dimension, appearance, weight, technical requirements, test methods, inspection rules, packaging, marking and quality certificate of the seamless steel tubes for low-temperature-service piping.
This standard is applicable to the seamless steel tubes for level -45℃ ~level -100 low temperature pressure vessel and low temperature heat exchanger piping.
1 Scope
2 Normative References
3 Classification and Codes
4 Ordering Information
5 Size, Appearance and Weight
6 Technical Requirements
7 Test Methods
8 Inspection Rules
9 Packaging, Marking and Quality Certificate
Appendix A (Normative) Sampling Provisions for Tensile Test of Steel Tubes
