steel bar having screw thread shape

grade yield strength tensile strength elongationpsb 785 ≥785 MPa ≥980 MPa ≥7%psb830≥830 MPa ≥1030 MPa ≥6% psb930 ≥930 MPa ≥1080 MPa ≥6%psb1080 ≥1080 MPa≥1230 MPa ≥6%psb500 ≥500 MPa ≥630 MPa ≥10%the other grade can according the customer.
steel bar having screw thread shape