1.Spiral steel pipes 2.Standard: ASTM A252, SY/T5040, API 5L, EN10219, ... .Export to these countries: Canada, USA, Peru, Chile, Colombia, Brazil, India, Malaysia, Singapore, Vietnamese, Australia, Myanmar, Kenya, South Africa, Spain, Italy ... requirements7.HS: 73041990008. High quality and service LSAW / SSAW/ERW Steel Pipes and Tubes