TY - JOUR AU - Botella, J. AU - Hierro, P. AU - Merino, C. PY - 1997/10/30 Y2 - 2024/03/29 TI - Gamma-genes effects of the copper in the 18Cr8Ni stainless steels JF - Revista de Metalurgia JA - Rev. metal. VL - 33 IS - 5 SE - Articles DO - 10.3989/revmetalm.1997.v33.i5.841 UR - https://revistademetalurgia.revistas.csic.es/index.php/revistademetalurgia/article/view/841 SP - 298-303 AB - From a series of 22 typical 18Cr8Ni stainless steel 40 kg ingots, with copper variable concentrations from 0.6 to 3.0 weight %, δ-ferrite is measured with a ferrite-meter device, calculating a nickel equivalent of 0.27 for copper. Some differences between the 8-ferrite and that on calculated by DeLong -excluding the copper γ-gene action- have been found because of different solidification and cooling regimes in ingot and weld cases. ER -