Japanese steelmaker Sumitomo Metal Industries, Ltd (Sumitomo Metals) announced on December 6 that it has developed SM17CRS-125 (referred to as "Super 17 Cr steel") martensitic stainless oil country tubular goods (OCTG) with the world's highest level of corrosion resistance and strength.
According to the company's statement, the product will be used to meet increasing demand in ultra-deep oil well development and contribute to stable global energy supply. Super 17 Cr steel developed by Sumitomo Metals withstands tougher corrosion environments including high temperatures than Super 13 Cr, while not requiring cold working and containing less alloy elements.