... ,A269 3.Grade:201,304,202,301,316,316L ss seamless pipe/tube ISO9001:2000 ASTM/AISI standard Grade 304,316L,321,310S,201,202etc Cold ... ,A249 ,A269 etc. Material gradeTP301, TP304, TP304L, TP316L, TP310S, TP 321, TP347, TP201, TP202, etc. OD10mm to 508mm NPS 1/8 ...