ASME SA789 S39277 seamless welded tubing ASME SA789 S39277 seamless welded tubing ASTM A789 /ASME SA789 Standard Specification for Seamless and Welded Ferritic/Austenitic Stainless Steel Tubing for General Service Material Grade S31803 S32205 S31500 S32550 S31200 S32520 S32906 S32760 S32900 S32950 S31260 S32001 S32304 S39274 S32750 S39277 Size 1/2''~48'' Thickness SCH5~SCHXXS End Beveled End,Plain End Length As per your requirement. Packing Export Standard packing or as per your requirements.