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Quality 1.4112
General Product Description
Material number 1.4112
Short name according to EN X90CrMoV18
AISI / UNS / Alloy AISI 440B, UNS S44003
Applicable standards EN 10088-3
Treatment annealed
Variations
| Quality | Treatment | Shape | Dimension (mm) |
|---|---|---|---|
| 1.4112 | annealed |  Round | 12 - 40 |
| 1.4112 | annealed |  Flat | 15 x 16 - 85 x 22 |
| 1.4112 | annealed |  Square | 17 |
Description
The material 1.4112 is a martensitic chromium steel with exceptionally high wear resistance. Thanks to its mechanical properties, this cold work steel is typically used as knife steel. Application: apparatus engineering, shipbuilding, wear parts, perforated discs, scale pans and cutting edges, professional knives, high-quality cutting surgical instruments, rolling bearings, screw elements, spray nozzles.
Chemical composition (in %)
| C | Mn | P | Mo | S | Cr | V | Si | |
|---|---|---|---|---|---|---|---|---|
| Min | 0,85 | - | - | 0,9 | - | 17,0 | 0,07 | - |
| Max | 0,95 | 1,0 | 0,04 | 1,3 | 0,015 | 19,0 | 0,12 | 1,0 |
| Element | Min | Max |
|---|---|---|
| C | 0,85 | 0,95 |
| Mn | - | 1,0 |
| P | - | 0,04 |
| Mo | 0,9 | 1,3 |
| S | - | 0,015 |
| Cr | 17,0 | 19,0 |
| V | 0,07 | 0,12 |
| Si | - | 1,0 |
Mechanical properties (annealed)
Tensile strength Rm 750–900 N/mm2
0.2% proof stress Rp0.2 500–650 N/mm2
Elongation at break A5 ≥ 12 (L); ≥ 8 (Q) %
Notched impact energy (ISO-V) ≥ 25 J
Hardness 180-220 HB
Magnetizability Yes
Typical areas of application
equipment manufacturing
Cold Work Steel for Knives and Cutting Tools
Wear Parts
Professional Knives, Surgical Instruments
perforated discs, weighing pans and knife edges
Motorsports Technology
rolling bearings, worm elements, spray nozzles
General properties (annealed)
Corrosion Resistance
Weldability
Forgeability
Tensionability
Note
All information in this data sheet has been compiled to the best of our knowledge and belief. It is for information purposes only and does not constitute a assured property or guarantee. For the suitability of the material in specific applications, we recommend carrying out appropriate inspections and tests. Any liability for damage or errors is excluded.