This part of SN/T 1733 specifies the definition, technical requirements, inspection and identification rules and determination of inspection results for non-genuine steel pipes declared for import. This section applies to seamless carbon steel pipes, welded carbon steel pipes, seamless stainless steel pipes and welded stainless steel pipes, but does not include steel pipe products included in national mandatory standards such as boilers. This section also applies to the inspection and identification of other non-genuine steel pipes declared for import.