Patent ID: 11946125
Assignee: POSCO CO., LTD
Field: Materials, metallurgy (Chemistry)
Classification: CPC C | IPC C

Claim 0:
1. A ferritic stainless steel comprising, in percent (%) by weight of the entire composition, C: 0.005 to 0.02%, N: 0.005 to 0.02%, Cr: 11.0 to 13.0%, Ti: 0.16 to 0.3%, Nb: 0.1 to 0.3%, Al: 0.005 to 0.05%, Mo: 0.005% or less, B: 0.005% or less, the remainder of iron (Fe) and other inevitable impurities, and
the ferritic stainless steel has a texture maximum strength of 30 or less in the {001} direction after welding,
wherein the ferritic stainless steel comprises a secondary phase present in the weld zone of 10 to 100 pieces/mm2 after welding, and
wherein the secondary phase comprises nitride, oxide and Laves phase precipitates.