Patent · US Active

Cold-rolled low-density steel sheet having excellent phosphorability, and manufacturing method therefor

US11371112B2 · kind B2 · utility

0Cited by

0References

20Claims

0Family size

Assignee

BAOSHAN IRON & STEEL CO., LTD. · CN

Inventors

Xinyan JIN · Shanghai, CN
Qi Yang · Chengdu, CN
Yanliang Zhao · Shanghai, CN
Li WANG · Shanghai, CN

Key dates

Filing date	May 26, 2017
Grant date	Jun 28, 2022
Priority date	—
Expiry date	May 15, 2039

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC21D2211/005
WIPO fieldMaterials, metallurgy
WIPO sectorChemistry

Abstract

A cold-rolled low-density steel sheet having excellent phosphorability is provided. An iron particle layer is disposed on the surface of the cold-rolled low-density steel sheet, and dispersed iron particles exist in the iron particle layer. The cold-rolled low-density steel sheet comprises 3.0% to 7.0% of element Al by mass percentage.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.