321 Stainless steel elbow and flange 1, SIZE: 1/2"--48" (DN15--DN1200) 2, THK: SCH5S-- ... 3,MATERIAL:S32750,317L,32 321 Stainless steel elbow and flange Size1/2"-96"StandardISO,ANSI,JIS,DIN,GB/12459,GB ... /T13401,ASME,B16.9,SH3408,SH3409,HG/T21635,HG/T21631,SY/T05010MaterialA234 ...