Glossary - 0 – 9

301
chromium-nickel stainless steel (X10CrNi18-8) with good ductility and high tensile strength
(launcher technology, spacecraft technology)

304L
corrosion resistant low carbon chromium-nickel stainless steel (X2CrNi19-11) with good stress relief properties
(launcher technology, spacecraft technology)

30X
proprietary carbon steel used by SpaceX
(launcher technology, spacecraft technology)