... ,GL,CCS,SBG,DNV,BV,N etc 3.Material:carbon steel,SS,alloy steel 4.MOQ:10pcs TypelbowSize1/2" - 80"(DN15 - DN2000)Wall ... ,WPL6A;ST 37.2.2)Stainless Steel: ASTM A403 WP304/304L, WP316/316L,WP321,WP3473)Alloy Steel: ASTM A324 WP1, WP12, WP11,WP22 ... ,WP5, WP9,WP914)Duplex & Super Duplex Stainless Steel :ASTM A815 UNS ...