Fe-Cr-C
Alloy
SUS440C
SUS440C
Fe-Cr-CSUS440C High-Carbon Martensitic Stainless Steel (Iron-Chromium-Carbon)
Image kind
Real photo
Credit: Yapparina / CC0 (modified) · source
SUS440C is the hardest stainless steel in common use, reaching 58-60 HRC after heat treatment. It's the material of choice for high-end ball bearings, surgical scalpels, and premium knife blades that need both hardness and corrosion resistance.
Jungian Type: Type 15
Personality tendencies across 4 dimensions
内向 (I)60%外向 (E)
50
直観 (N)31%感覚 (S)
50
感情 (F)38%思考 (T)
50
知覚 (P)37%判断 (J)
50
Enneagram Detailed Scores
Score distribution across 9 types
Big Five Personality Traits
Personality analysis based on the 5-factor model
Alloy Characteristics
Personality traits from metal physical properties
💰Price & Economic Data
Market price and economic characteristics (as of 2026-02)
Unit Price (est.)
$4.5
per kg
Price Range
4-5 USD/kg
Market Trends & Notes
Fe-Cr-C高硬度。C 1.0%でHRC58+。刃物・ベアリング。マルテンサイト鋼。
🎨Element Colors
Scientific basis of SUS440C's colors
Colors of this element
銀白色
#7A7A7A
青黒色
#2F4F4F
💑Compatible Materials
Materials with good metallurgical and personality compatibility
Career Interests & Suggestions
Based on Holland Code: RIC
1st R - Realistic
2nd I - Investigative
3rd C - Conventional
1Precision Blade Manufacturer / Knifemaker
2Bearing Quality Control Engineer
3Metallurgy Researcher / Martensitic Transformation Specialist
4Precision Instrument Inspector / Non-Destructive Testing Technician
5Heat Treatment Process Engineer
6High-Hardness Stainless Steel Bladesmith
Based on RIASEC (Holland Code) vocational interest model. These are illustrative suggestions derived from the character's personality profile.