ASTM A789 / ASTM A790 Standard Specification for Seamless and Welded Ferritic/Austenitic Stainless Steel Tubing for General Service.
Size: OD: 6-530mm Thickness: 0.8-30mm .
Material: 00Cr18Ni5Mo3Si2 (UNS S31500) (3RE60)、
022Cr22Ni5Mo3N (UNS S31803/S32205) (ASF2205)、
00Cr25Ni7Mo4N (UNS S32750) (ASF2507).
Standard: ASTM A789, ASTM A790.