Award winner
“Perfect Roof” of High-purity Ferritic Stainless Steel
 Applicant: E. KATAYAMA & CO., LTD.
Reason for selection:
Business climate surrounding the construction industry is getting complicated and varied with soaring materials costs and labor shortage.
The material selection of SUS443J1, a high-purity ferritic grade, for “Perfect Roof” worked to realize such needs of building designers and owners as designability, durability and low cost.
SUS443J1 was registered in the 2013 version of “the standard specifications for public works”, which now enables material suppliers to offer this grade for both public and private works.
In addition, this nickel-free grade is economical and earth-friendly and yet has the corrosion resistance equivalent to that of SUS304.The adoption of SUS443J1 helps satisfy social needs and will contribute to our society.

Stainless steel type used: SUS443J1

Consumption: 3tons/600m2)

Presenter: JFE Steel Corporation.
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