... stainless steel flanges 1.GRADE:ASTM A182-301,F302,F304/L,F316/L,F321/H,F51, EN10272,1.4301,1.4306,1.4307,1.4541,1.4571,1.4462,1.4539,1 ... .45472.Size:DN10mm to 3000mm,1/2''-115''.3.PN: ... L,F316/L,F321/H,F51;EN10272,1.4301,1.4306,1.4307,1.4541,1.4571,1.4462,1.4539,1.4547......FINISHfinished maching,bright surfacePACKAGEStandard export ...