D-3 is a 12 % ledeburitic chromium tool steel with great wears resistance. It is used in cutting tools, trimming dies, blanking dies for paper and plastics & more.
D-3 Similar/Equivalent Steel Grades :
| CHINA | AUSTRIA | GERMANY |
| TG | BOHLER | DEW |
| D3 | K100 | 1.2080 |
| SLOVANIA | JAPAN | CHEZ. REP |
| RAVNE | SANYO | POLDI |
| OCR12VM | QC1 | 2002 |
Steel Properties : Ledeburitic-high-carbon high-chromium tool steel, very high wear-resistance.
Applications : Tools for cutting sheets up to 4mm thickness, trimming dies, blanking dies for paper and plastics, long- and round-section shear blades for sheet thicknesses up to 2 mm, drawing and deep drawing tools. Woodworking tools, stone pressing tools, pressure pads and highly wear-resistant plastic moulds, profile rolls.
Chemical Composition: (%)
Production Process :
Round Bar :
Flat Bar :
| UT Standard : | Reduction Ratio : | Delivery Status : |
| SEP 1921, (DEC.84)E/e | As 1:4 or 1:5 | in annealed condition. |
Sizes of Round Bars :
| Cold Drawn/Centreless Ground Bar | Hot Rolled & Annealed Peeled | Forged Annealed Turned |
| Φ 2.0 - 14.4mm | Φ 14.5 - 80.0mm | Φ 81.0 - 610.0mm |
Sizes of Flat Bars :
| Thickness | Width |
| 5mm - 150mm | 5mm - 810mm |
Sizes of Sheets :
| Thickness | Width | Length |
| 0.5mm - 12mm | 810mm | 2500mm |
HEAT TREATMENT :
| Soft annealing °C | Cooling | Hardness HB |
| 800 - 840 | Furnace | max. 250 |
| Hardening form °C | in | Hardness after quenching HRC |
| 930-960 950-980 | oil, hot bath 500-500 °C air (up to 30 mm thickness) | 64 |
| Tempering°C | 100°C | 200°C | 300°C |
| HRC | 63 | 62 | 59 |
| 400°C | 500°C | 550°C | 600°C |
| 57 | 54 | 54 | 36 |