
Overview
- Rarity
- Common
- Polarity
- Vazarin
- Drain
- 4 → 14

| Earth/Cetus (Level 10 - 30 Cetus Bounty), Rotation A | Uncommon | 15.32 % |
| Deimos/Cambion Drift (Level 30 - 40 Arcana Isolation Vault), Rotation A | Uncommon | 15 % |
| Ceres/Gabii (Survival), Rotation B | Rare | 7.69 % |
| Duviri/The Circuit (The Circuit), Rotation B | Rare | 7.69 % |
| Earth/Everest (Excavation), Rotation B | Rare | 7.69 % |
| Earth/Tikal (Excavation), Rotation B | Rare | 7.69 % |
| Mars/Arcadia (Survival), Rotation B | Rare | 7.69 % |
| Mars/Augustus (Excavation), Rotation B | Rare | 7.69 % |
Steel Fiber is a common Warframe mod and one of the best-known defensive picks. It increases armor, reaching +100% at its maximum rank, and the armor only mitigates damage to health, not to shields. Warframes with big health pools, like Inaros, gain the most from it.
The mod has been in the game since the beginning and drops from enemies as the table on this page shows; transmutation can produce it as well. It is a safe choice in almost any build that has the capacity to spare, especially on frames with high base armor.
Steel Fiber was added with Vanilla (October 2012).
Steel Fiber is tradable, see the current prices in the market box above.
Facts based on the Warframe Wiki (CC BY-NC-SA 3.0)
Steel Fiber drops from the enemies listed in the drop table on this page, and you can also obtain it through transmutation.
At rank 10: +100% Armor.
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