China's Chery automobile side anti-collision rod manufacturers

Technical requirements for Chinese automobile door anticollision steel tube:
The tensile strength is more than 1500Mpa, the yield strength is more than 1200Mpa, elongation is greater than or equal to 8.
Three point bending test: static bending energy is larger than 1800J, the peak, the maximum force is greater than or equal to 1800KN.
Performance of automotive car door bumper:
Before quenching yield strength more than 300MPa, the tensile strength is more than 600MPa;
After quenching, the yield strength is more than 1200MPa, the tensile strength is more than 1500MPa;
BR1500HS welded pipe for automobile manufacture
[BR1500HS tensile strength]
It's a kind of high strength weather resistant steel
Percentage of ingredients (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