... ,S235JR MaterialSS400 A36 Q235 Q345 S235JR ST37, etcTechnology:Hot Rolled, Cold-benting Type:Equal,Equal or Unequal ... treatmentblack paint, varnish, rust-proof oil, and hot-dipped galvanizedRange Of ApplicationHardware Chemical industry Architecture etcCertificatesISO-9001 ... hengtai piping equipment manufacturing Co.,ltd Angle Bar High quality hot rolled equal steel angle bar mild steel angle ...