The practical result of this type of hardness is unparalleled edge retention. Creely blades Mako in CPM Rex 121 @69-70 HRC. Question. Knife Steels Crucible CPM Rex 121, Carpenter Maxamet Version 4.36. While they are very similar in chemical composition, REX 121 contains 1% more carbon and 3% more vanadium. It … Posted by 8 months ago. I really want the lil native in Rex 45 but got the native 5 to make sure I will be able to try the steel out. The steel is described as Crucible’s answer to Maxamet. Hardness: REX 121. The standard arrangement has removable G10 scales, other upgrade options are poss The brand designed it as a carbide replacement. scandi grind. Question. Maxamet vs Rex 45. I really want the lil native in Rex 45 but got the native 5 to make sure I will be able to try the steel out. Rex 121, with its very high hardness and incredibly high MC carbide fraction, has a very high predicted TCC value. I had zero intention to use it to use the native 5 unless I couldn't snag the Rex 45 lil native. Just got a native 5 LW in Rex 45. Maxamet vs Rex 45. 4. Question. Just got a native 5 LW in Rex 45. With 13% Tungsten, Maxamet’s chemical composition is very unusual. Maxamet vs Rex 45. Maxamet’s upper range for recommended hardness is 70 HRc (ZDP-189, by comparison, hits in the 66-68 range). Mouse over multi alloy graph bars to see exact values. See more Maxamet steel knives. CPM ® REX ® 121(HS)* High hardness high vanadium cobalt high speed steel: CPM REX 121 is a new high vanadium cobalt bearing tool steel designed to offer a combination of the highest wear resistance, attainable hardness, and red hardness available in a high speed steel. Knife Steel Chart Mobile: Mouse over element names to get quick help on its effects in the alloy. 4. The steel was introduced to the knife world by one of KAI’s Uber Triples, the ZT 0888. Limited Early Bird Utgard REX® 121 Set You will receive a one of a kind hunting knife hand crafted specially for you, made from one of the hardest steels mankind has known and created into a formidable tool with its full grain buffalo leather sheath and fire rod. and handle 120 mm.-stabilized Elder Burl. Archived. leather sheath. Archived. Posted by 8 months ago. REX 121 is a powder steel produced by Crucible. Keyboard Shortcuts - click to see the list. Despite having “only” 9.5% vanadium in Rex 121, the high Mo and W reportedly increases the MC fraction, forming a complex Mo-W-V carbide [19]. This is a knife made of one of the most extreme super steels available in knife making. It seems to have very similar edge holding to my Maxamet Manix 2, but (in the "doesn't really matter" category) seems to be more stain resistant. Looking at the datasheet one element stands out–Tungsten. Knife pouch, certificate of authenticity and available in the pocket sheath. I had zero intention to use it to use the native 5 unless I couldn’t snag the Rex 45 lil native. Rex 121 steel-70hrc.Blade is 115 mm. Close. Gary Creely is raising funds for Mako EDC Knife with CPM REX 121 Super Steel on Kickstarter! Question. Maxamet vs Rex 45. Composition Comparison Graph For The Knife Steels Crucible CPM 10V, Hitachi HAP40, Carpenter Maxamet, Crucible Rex 121 Version 4.36 Finish - satin. Home > Knives > Steels. Close. The cost of this knife is $299 for the knife with standard G10 scales, the sheath is optional. FWIW, the Rex 121 (another super high hardness steel) fixed blade I've been carrying for the past month and a half hasn't had any chipping issues.