Ultra high-strength air-hardening multiphase steel having excellent processing properties, and method for manufacturing a strip of said steel

T Schulz, J Schöttler, S Kluge - US Patent 10,626,478, 2020 - Google Patents
An ultra-high-strength air-hardenable multiphase steel having minimal tensile strengths in a
non air hardened state of 950 MPa and excellent processing properties, includes the …

High strength hot dip galvanised steel strip

JWH Van Krevel, C Ionescu - US Patent 10,927,429, 2021 - Google Patents
A high strength hot dip galvanised steel strip consisting, in mass percent, of the following
elements: 0.10-0.21% C, 1.45-2.20% Mn, max. 1.50% Si, 0.1-1.50% Al, 0.001-0.04% P …

Cold rolled and coated steel sheet and a method of manufacturing thereof

P Lorenzini - US Patent App. 17/616,114, 2022 - Google Patents
BACKGROUND [0002] Automotive parts are required to satisfy two incon sistent necessities,
namely ease of forming and strength, but in recent years a third requirement of improvement …

Method for producing a steel sheet having improved strength, ductility and formability

HJ Jun, P Venkatasurya - US Patent 12,084,738, 2024 - Google Patents
A method produces a steel sheet having a microstructure including, in area fraction, 20% to
50% intercritical ferrite, 10% to 20% retained austenite, 25% to 45% tempered martensite …