Solicitações De Metal Ferro Aço / Jordânia

i need to buy the below flanges regards namir flange, class 600, welding neck, raised face, carbon steel working pressure -600 psi at 850 deg.f. -1440 psi(cold, non shock) to b.s. 1560(latest edition) with steel to a.s.t.m. spec.a105 grade 1. but with carbon content not to exceed 0.27% with out prejudice to yield strenght nom. pipe size- ins. 6 nos 10