精軋螺紋鋼抗拉強度

強度級別 屈服強度/MPa 抗拉強度/MPa 斷后延伸率/%

PSB500 ≥500 ≥630 ≥10

PSB785 ≥785 ≥980 ≥7

PSB830 ≥830 ≥1030 ≥6

PSB930 ≥930 ≥1080 ≥6

PSB1080 ≥1080 ≥1230 ≥6