... KR Out diameter:19.05-114.3mm; Seamless Carbon Steel Pipes Certificate:ISO9001-2000,PED, API, TS16949,KR Out ... steel tube2) Certificate: ISO9001-2000,PED, API, TS169493) Standard: ASTM-A106, ASTM-A53, ASTM-A179, ASTM-A192, ASTM A210, ASTM-A213(T11/T12/T22), ASTM-A333, ASTM-A335(P11/P22), ASTM ... Mini order: 10 tons ON SALE: Seamless Carbon Steel Pipes, ASTM A179, A192, DIN17175, BS3059, A334 Gr.6, EN10216 ...