... AISI 430, AISI 316L, AISI 201, AISI 202, AISI 301Surface Finish:2D, 2B, BA, No. 3, No. 4, No. ... and embossed tube O.D. (mm)9.5 , 12.7 , 15.9 , 17 , 18 , 19. 1 , 20 , 21 , ... 219b)Square tube side length (mm)10*10 , 12*12 , 15*15 , 18*18 , 19 * 19 , 20*10 , 20*20 ... , 24*24 ,25*13 , 25*25 , 28*28 , 30*15 , 30*30 , 30*60 , 36*23 , 36*36 , ... Products Show : 201 304 316 hairline finish stainless steel sheets