Steels with a chromium content of more than 10,5% and less than 0,15% carbon. Unlike martensitic steels, these grades cannot be stiffened by quench hardening but only through cold working (e.g. Cold drawing). Ferritic steels are ferromagnetic.

Valbruna Grade W.N. AISI UNS EN BS
MG3/1 1.4114 - - - -
VAL1LC - - S40940 - -
VAL1LCNI - - S40976 - -
VAL1PT 1.4512 409 S40900 X2CrTi12 -
X11L 1.4003 - S41003 X2CrNi12 / X2Cr11 -
X17AL 1.4742 - - X10CrAlSi18 / X10CrAl18 -
X17L 1.4016 430 S43000 - 430S11 / 430S18
X17M 1.4113 434 S43400 X6CrMo17-1 434S20
X17MZ 1.4105 430F S43020 X6CrMoS17 -
X17NBL 1.4511 - - X3CrNb17 -
X17T 1.4510 430Ti S43036 X3CrTi17 -
X17Z - 430F S43020 - -
X17Z/DE 1.4104 - - X14CrMoS17 -
X182N 1.4521 444 S44400 X2CrMoTi18-2 -
X18DZ - XM-34 S18200 - -
X24AL 1.4762 - - X10CrAlSi25 / X10CrAl24 -
X25R - 446 S44600 - -
X7AL 1.4713 - - X10CrAlSi7 -