1.standrad:DIN949 2..Small order accept 3..Material:316L.10S..2205.317L,2507.1.4539.Monel400,Inconel625, ... all sizes.2. Treatment:cold forging/hot forging3.Materials option: Stainless Steel C276, 904L, 304, 304L,310S, 316, 316L, 321, 317L, 2507 ... , 2205, 254SMO, AL6XN, 1.4501,1.4529.Super duplex stainless steel F55, F51,F53 HastelloyB&C, Inconel, Incoloy etc.4.Standards ...