... . 3.MOQ: 5MT. We specialize in manufacturing the stainless steel welded tubes, and shall be glad to enter into business ... follow the ASTM A 554 standard.Features:1) Material of stainless steel: grade: 201, 202, 304, 304L, 316, 316L etc ... , and industry instruments (fencing, railing,safe doors / windows, gate fittings, inside staircases, balcony balustrades,furniture, sanitary wares, kitchen wares ...