astm a240 tp304 stainless steel coil Grades: 200 series modification, 304, 304L, 316, 316L Surface: No.1, 2D, 2B,BA we ... ,420,430,2012).Standards:ASME, ASTM, EN ,BS,GB,DIN, JIS etc.. 2.Stainless Steel Plate 1).Grade:304,304L,304H,309S,310S,316,316L ... ).Grade: 200 series& 300 series& 400 series 6).Standard:ASME, ASTM, EN ,BS,GB,DIN, JIS etc. astm a240 tp304 stainless steel coil