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