... , 310S; Standard: GB/T14975/14976, GB13296, ASTM A213/A312 Seamless Stainless Steel Pipe(1)Steel standard: GB/T14975, GB/T14976, GB 13296, ASTM A213 ... , ASTM A312; (2)Steel grade: 321(0Cr18Ni10Ti), 304(0Cr18Ni9), 304L(0Cr19Ni10), 310S(0Cr25Ni20), 316 ... 's requirement 321, 304, 304L, 316, 316L, 347, 310S Seamless Stainless Steel Pipe