Shape: round, flat, square
Size Range:
| |
Diameter(mm) |
Thickness (mm) |
Width (mm) |
Length(mm) |
| Round |
50-420 |
- |
- |
2000-5800 |
| Square |
50-420 |
- |
- |
2000-5800 |
| flat |
- |
20-50 |
80-600 |
2000-5800 |
Steel-making Condition:
| 1. EAF: Electric Furnace+LF+VD(Optional) |
| 2. ESR: Electric Furnace+LF+VD+Eleroslag Remelted(Optional) |
Delivery Condition:
Annealed , Quenched + Tempered
Surface Condition:
Black, Grinded, Peeled, Rough turned, Polished
Features:
1. 1.3255 tool steel is high charcoal and chromium tool steel, have high penetration, small distortion,
2. high rigidity, good endurance.
3. high toughness, and easy grinding.
Chemical Composition(%):
| Steel Grade |
C |
Mn |
Si |
P |
S |
Cr |
Mo |
W |
V |
Co |
| 1.3255 |
0.75-0.83 |
0.4 max |
0.45 max |
0.03 max |
0.03 max |
3.8-4.5 |
0.5-0.8 |
17.5-18.5 |
1.4-1.7 |
4.5-5.5 |
Heat Treatment:
| 1.Quench: 950-980`C cold oil(need re-preheat~500`C-850`C)HRC≥60 |
| 2.Eliminate stress, stabilize framework tempering, (180-200`C)≥2 hours HRC60-62 |
| 3.If it is necessary, it could be changed into 320-350`C≥2 hours backfire HRC≥60-62 |
| 4.Annealing: 780-800`C slow cooling |
Hardness: MAX 229HB
Applications:
1.Cold pressing mold extrusion with low pressing and burden, imprint mold, cold cutting scissor
2.For making all kinds of complex high precision cutting tool, such as forming milling cutter, precision broach, etc,
3. can be used for precision of all kinds of high hardness, high toughness, wear-resistant metal cold punching die.
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