Sandvik Intellectual Property Ab

Ab Sandvik Materials Technology

Alleima Tube Ab

Karin Antonsson

Ulf Kivisäkk

Peter Stenvall

Guocai Chai

Christina Haraldsson

Raghuveer Gaddam

Eleonora Bettini

Siriki Raveendra

Ulf Kivisakk

The present disclosure relates to an austenitic stainless alloy comprising in weight % (wt %): C less than 0.03; Si less than 1.0; Mn less than or equal to 1.2; Cr 26.0 to 30.0; Ni 29.0 to 37.0; Mo 6.1 to 7.1 or (Mo+W/2) 6.1 to 7.1; N 0.25 to 0.36; P less than or equal to 0.04; S less than or equal to 0.03; Cu less than or equal to 0.4; balance Fe and unavoidable impurities and to the use thereof and to products made thereof. Thus, the austenitic stainless alloy comprises a low content of manganese in combination with a high content of nitrogen. The present disclosure also relates to the use of said austenitic stainless alloy, especially in highly corrosive environments and to products made of thereof.

Austenitic stainless alloy

The present disclosure relates to a new duplex stainless steel. Furthermore, the present disclosure relates to a product comprising the duplex stainless steel, which method comprises the step of performing a heat treatment on an object comprising the duplex stainless steel at a predetermined temperature and during a predetermined time.

Duplex stainless steel

The present disclosure relates to an austenitic stainless alloy including in weight % (wt %):

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Sandviken, Sweden

Karin Antonsson