301L is a low-carbon variant of 301 with nitrogen addition, offering superior weldability and formability while maintaining high work-hardening rate for structural applications in rail transit and automotive.
Key Properties
Low Carbon: Reduced carbide precipitation improves weldability and intergranular corrosion resistance.
Work Hardening: Exceptional work-hardening rate (~14 MPa per 1% reduction) for high strength through cold working.
Formability: Excellent ductility for deep drawing and complex fabrication.
Non-Magnetic: Austenitic structure remains non-magnetic in annealed condition.
Common Applications
Rail Transit: Subway and high-speed train car body structures, interior panels, and luggage racks.
Automotive: Exhaust system components, structural reinforcements, and decorative trim.
Electronics: Mobile phone internal frames, spring contacts, and EMI shielding components.
Construction: Elevator cabins, architectural cladding, and structural fasteners.