Patent ID: 11913089
Assignee: POSCO CO., LTD
Field: Materials, metallurgy (Chemistry)
Classification: CPC B  C | IPC B  C

Claim 0:
1. A clad steel sheet, comprising:
a base material; and
a clad material provided on both side surfaces of the base material,
wherein the base material is a ferrite-austenitic duplex steel sheet including, by weight %, C: 0.3-0.7%, Mn: 2.0-9.0%, Al: 4.5-8.0%, and a balance of Fe and inevitable impurities, and
wherein the clad material is ferrite carbon steel including, by weight %, C: 0.0005-0.2%, Mn: 0.05-2.5%, and a balance of Fe and inevitable impurities.