The reinforcement of this B-pillar from a Buick Enclave is made from DP 980, which is UHSS but it is spot-welded to an HSLA reinforcement.
The reinforcement for the B-pillar of a Buick Enclave is made from DP 980, an UHSS but is spot-welded to an HSLA reinforcement. Replacing the HSLA part does not involve welding directly onto the UHSS, thereby maintaining the integrity of the UHSS reinforcement.