OD: 8"- 80" WT: 0.24" -0.86" Steel Grade: Gr. A/B/C, X42-X80, Q235 Standard: ASTM, API, BS, JIS, GB ... , DIN Brand Name: YF SSAW STEEL PIPE SpecificationsChina StandardSteel ... foroil casing andtubing in oil wellsAPE SPEC 5LA, B, X42APISeamles Steel Tubesand Pipes forHigh Pressure Boiler GB5310-199520G, 20MnG, 25MnG, 15MoG, ...