Karambit | Blue Steel

- Wear range
- 0.00–1.00
- Released
- 2013-09-20
- Paint kit
- 42
- Finish style
- Patina
- Sources
- CS:GO Weapon Case、eSports 2013 Case、CS:GO Weapon Case 2、Operation Bravo Case、eSports 2013 Winter Case、Winter Offensive Weapon Case、CS:GO Weapon Case 3、Operation Phoenix Weapon Case、eSports 2014 Summer Case、Operation Vanguard Weapon Case、Revolver Case
- Drop chance (estimate)
- CS:GO Weapon Case:Any rare special item 0.256%; exact finish probability undisclosed;eSports 2013 Case:Any rare special item 0.256%; exact finish probability undisclosed;CS:GO Weapon Case 2:Any rare special item 0.256%; exact finish probability undisclosed;Operation Bravo Case:Any rare special item 0.256%; exact finish probability undisclosed;eSports 2013 Winter Case:Any rare special item 0.256%; exact finish probability undisclosed;Winter Offensive Weapon Case:Any rare special item 0.256%; exact finish probability undisclosed;CS:GO Weapon Case 3:Any rare special item 0.256%; exact finish probability undisclosed;Operation Phoenix Weapon Case:Any rare special item 0.256%; exact finish probability undisclosed;eSports 2014 Summer Case:Any rare special item 0.256%; exact finish probability undisclosed;Operation Vanguard Weapon Case:Any rare special item 0.256%; exact finish probability undisclosed;Revolver Case:Any rare special item 0.256%; exact finish probability undisclosed
Steam / C5GAME
CNY
Introduction
The Original Cold Blue
Back on August 14, 2013, The Arms Deal update changed Counter-Strike: Global Offensive forever by introducing knives. Among the first batch of finishes to drop from the new weapon cases was Blue Steel (aq_blued). For many veteran players, this was the first knife skin that actually looked like a proper upgrade—no flashy patterns, just a solid, cold metallic presence that held its own in inspect animations.
The official description is blunt: "This weapon has been completely blued." In-game, you get a large area of cyan-blue coating rather than a localized print. The flavor text from arms dealer Boz compares it to a Malbec in weapon design—half-joking, but it nails the appeal: color and texture, not complex artwork.
Release & Craft
Blue Steel launched on 2013-08-14 alongside The Arms Deal update and is tied to the first knife weapon cases. It's a Valve-made Patina finish (internally categorized as patina), not a community workshop submission, so there's no individual designer credit. When evaluating, focus on knife model, wear, and overall condition.
Finish Characteristics
Blue Steel is an uncommon knife finish with wear ranging from 0.0 to 1.0, meaning it exists from Factory New to Battle-Scarred. The core feature is the full-blade blue treatment: higher wear tends to show more grey dullness and exposed base metal, while lower wear looks colder and cleaner. The same finish on different knife models—Karambit, M9, Butterfly—will show slight variations in blue perception due to blade curvature and inspect angles.
"A Malbec in weapon design" - Arms Dealer Boz
What to Look For
Before buying, inspect the knife in-game or with a tool. Pay close attention to the edge, spine, and handle area for color inconsistencies and scratches. Don't rely solely on the average color from thumbnails. When comparing prices on C5GAME or Steam Market, always verify the wear float and whether the knife model suits your playstyle; spinning the knife will highlight differences in bright surface area. Since 2013, Blue Steel has been a stable entry-level uncommon knife finish with high recognizability and a full wear range. It's perfect for anyone wanting a cold metallic knife without paying for complex patterns, and it also serves as a baseline for matching other blue-themed skins.
Verdict
Buy if: You want a classic, no-nonsense blue metallic knife that has historical significance and pairs well with blue loadouts. Skip if: You prefer flashy patterns or minimal wear—Blue Steel's charm lies in its patina, and higher wear can look intentionally rugged.
Expert's Corner
Blue Steel is often overlooked because it's not as flashy as Case Hardened or Doppler. But there's something honest about a knife that just says, "I'm blue, and I've been around since the beginning." The wear range means you can find a battle-scarred one for cheap that still looks decent, or go factory new for that crisp cold blue. Just remember: on high-wear versions, the grey can dominate, so always inspect before you commit. And if you're a fan of matching skins, Blue Steel is a great anchor for a blue-themed inventory.