The Cu bearing hot rolled sheet steel is a heat treatment strengthened steel, and its strength is increased by 200 MPa by short time heat treatment after forming.

　
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  • 含銅熱軋薄板是一種熱處理強化類(lèi)型鋼，經(jīng)時(shí)效熱處理使銅析出，產(chǎn)生強烈沉淀硬化，鋼的抗拉強度在原基礎上提高200MPa以上。
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