X55CrMo14
1.4110High-carbon martensitic stainless steel with Mo addition for blades and cutting tools. Higher carbon (0.48-0.60%) than X50CrMoV15 with similar Cr and Mo but without V. Achieves high hardness (56-58 HRC) with excellent wear resistance. Used for premium knife blades, scissors, surgical instruments, and industrial cutting tools. Popular in Japanese-influenced European knife manufacturing.
Chemical composition comparison (wt%)
Side-by-side: X55CrMo14 (EN) (EN 10088-2) vs ASTM
| Element | X55CrMo14 (EN) | ASTM | Overlap |
|---|---|---|---|
| C | 0.48–0.6% | — | — |
| Si | ≤ 1% | — | — |
| Mn | ≤ 1% | — | — |
| P | ≤ 0.04% | — | — |
| S | ≤ 0.015% | — | — |
| Cr | 13–15% | — | — |
| Mo | 0.5–0.8% | — | — |
Mechanical properties
QT
| Property | Value | Unit |
|---|---|---|
| Tensile Strength | ≥ 950 | MPa |
| Yield Strength | ≥ 750 | MPa |
| Elongation | ≥ 8 | % |
| Hardness HRC | 56–58 | HRC |
| Density | ≥ 7.7 | g/cm3 |
Heat treatment
| Process | Temperature | Medium | Holding Time | Notes |
|---|---|---|---|---|
| hardening | 1040–1080 °C | oil | — | Oil quench |
| tempering | 150–300 °C | air | — | — |
Related materials
304 Stainless Steel
1.4301The most widely used austenitic stainless steel. Excellent corrosion resistance, good formability and weldability. Standard choice for food processing, chemical, and architectural applications.
316L
1.4404Low-carbon austenitic stainless steel with molybdenum addition. Superior corrosion resistance to 304, especially against chlorides and pitting. Standard choice for chemical processing, marine, medical implants, and pharmaceutical equipment.
430 Stainless Steel
1.4016Ferritic chromium stainless steel with good corrosion resistance and formability. Lower cost than austenitic grades. Used for automotive trim, kitchen sinks, architectural panels, and appliance components.
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