... :Strictly follow the ASTM A 554 and others.Features:1)Material of stainless steel: grade: AISI 201, 202, 301,304, 304L, 316.etc ... (mm) : 20x10,23x11,24x12,25x13,28x13,30x15,34x22,36x23,37x24,38x25,40x20,48x23,50x15,50x25,60x15,60x30,73x43,75x45,95x454)Wall thickness: 0 ... #, 180#.etc.7)Tolerance: a) Outer diameter: ±0.15mm b) Thickness: ±10% of wall thickness c) Length: ±4.5mm - 0mm8)Other size can ...