Changan Automobile impact bar

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 http://www.gaoyaguoluguan.com.cn keyword a car crash beam 2 BR1500HS car crash beam 3 car crash beam pipe factory 4 br1500hs 5 BR1500HS Anti hit Steel Pipe Company 6 BR1500HS 7 16MnAI car crash beam http://www.tjbuxiugangguan.com.cn 1 car crash beam 2 BR1500HS car crash beam steel 3 car crash beam steel plant 4 br1500hs car crash where 5 production BR1500HS car crash beam 6 car crash beam steel company 7 BR1500HS 8 16MnAI 9 car crash car crash beam steel 10 BR1500HS car crash LIANGSHAN Heaven Steel Co., Ltd. Website: http: //www.gaoyaguoluguan.com. cn Company Website: http: //www.tjbuxiugangguan.com.cn Contact: Manager Zhao