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Introduction
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. Partnering with a reputable D3 steel supplier ensures access to high-quality materials that meet the demands of various industrial processes, making it essential for manufacturers to choose a trusted source.
Steel Properties : Ledeburitic-high-carbon high-chromium tool steel, very high wear-resistance. A reliable D3 steel supplier can provide detailed specifications and guidance on selecting the right grade for specific applications.
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 : (%)
| C | Si | Mn | Cr |
| 1.90-2.20 | 0.10-0.40 | 0.15-0.45 | 11.00-12.00 |
| Mo | W | V | P | S |
| -- | - | 0.20-0.20 | ≤0.030 | ≤0.030 |
Grades Equivalent :
STANDARD |
BRAZIL |
AUSTRIA |
SWEDEN |
1.2080 |
-- |
K100 |
-- |
EN |
SLOVANIA |
ITALY |
JIS |
X210Cr12 |
OCR12VM |
-- |
SKD1 |
S.KOREA |
CZECH REP. |
CHINA |
AMERICA |
-- |
2002 |
Cr12 |
D-3 |
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 Treatments :
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 |
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