16MnAI car crash rod manufacturers

∮27x2 ∮32 * 2.5 ∮30 * 2 ∮28 * 2 ∮28 * 2.5 ∮32 * 2 ∮34 * 2.5 ∮28 * 2.5 ∮29 * 2.0 etc ,,,,. Experimental steel material is hot-rolled sheet Baosteel 22MnB5, designations BR1500HS, a thickness of 2mm, a density of 7850kg / m3, the critical cooling rate of 15 ℃ / s, the chemical composition of% BR1500HS element C Mn B Si Cr SP mass fraction 0.21 1.35 0.28 0.23 0.004 0.0033 0.0055 hot-rolled state, the hardness of the material is about 193HV, tensile strength at 500 ~ 600MPa properties: yield strength before quenching ≥300MPa, tensile strength ≥600MPa; yield strength after quenching ≥1200MPa, tensile strength ≥1500MPa; automobile manufacturing BR1500HS pipe [BR1500HS how much tensile strength] is weathering a high-strength steel Ingredient Percent (wt%) C 0.19 ~ 0.25 B 0.0008 ~ 0.005 Mn 1.10 ~ 1.4 Cr 0.15 ~ 0.35 Al 0.02 ~ 0.06 Ti 0.02 ~ 0.05 Si ≤0.40 P ≤0.025 S ≤0.015 Heaven Shandong Steel Co., Ltd. Website: http: //www.gaoyaguoluguan.com.cn Company Website: http: //www.tjbuxiugangguan.com.cn Contact: Zhao Manager