... A106/A53 GRB) 10# and 45# is also acceptable Standard: GB, ASTM, API Standard: GB/T 8163-1999, ASTM A106-2006, ASTM... ... Fluid Pipe Technique: ERW Certification: APISurface Treatment: Galvanized Special Pipe: API Pipe Alloy Or Not: Non-alloy Packaging & DeliveryPackaging Detail: Bundles ... above standards, we can also supply seamless steel pipes with standard of API 5L---2000, DIN, JIS and so on, and ...