Plures materiae rudis ad fistulas chalybis immaculatas 2019-09-30
Fistula ferrea immaculata variae dividuntur in;
I immaculatam ferro inconsutilem Fistula ferro;
II Fistula ferro immaculata iuncta.
Secundum splendorem: generalis tubus chalybeus immaculatus, matte tubus chalybeis immaculatus, tubus ferreus inactus clarus.
Incorrupta materia rudis in ferro divisa sunt: 201 (1Cr17Mn6Ni5N), 202 (1Cr18Mn8Ni5N), 301 (1Cr17Ni7), 304 (0Cr18Ni9), 304L (00Cr19Ni10), 321 (1Cr18Ni9Ti), 316 (0Cr18Ni12M02), 316L (00Cr17Ni14M02);
Post tempus: Jan-19-2020