DC53 cold work die Steels
1. Applications:
DC53 is a general purpose cold work tool steel with exceptional Toughness, Wear Resistance, Compressive Strength and Temper Resistance. Applications include:
Punches & dies
Draw & forum dies
Shear blades
Shredder knives
Thread & form rolls
Cold heading dies
Mill rolls & slitters
2. Unique Characteristics:
Uniform distribution of fine carbides
Excellent galling & wear resistance
Exceptional toughness & fatigue resistance
High temper resistance to support PVD & nitride surface treatments
Machining & grinding characteristics superior to most other tool steels
2. Chemical analysis:
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C%
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Si%
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Mn%
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V%
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Cr%
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Mo%
|
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0.95
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1.0
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0.4
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0.3
|
8.0
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2.0
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3. Mechanical Properties:
3. Annealed hardness 210-225BHN
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Specific Gravity(g/cm3)
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7.87
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Coefficient of Thermal Expansion (x10-6 in/°C)
|
-150°C
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-200°C
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-300°C
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retained austenite:
14%
|
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13.0
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13.5
|
14.2
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thermal conductivity
(cal/cm. sec. °C)
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Room°C
|
100°C
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200°C
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300°C
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400°C
|
500°C
|
|
0.057
|
0.060
|
0.064
|
0.064
|
0.065
|
0.062
|
|
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Young’s Modulus(E)
|
21,700 ( kgf / mm2 )
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Modulus of Rigidity(G)
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8,480 ( kgf / mm2 )
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Poisson’s ratio
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0.28
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Primary carbides in DC53 are relatively small with highly uniform distribution as compared to other tool steel grades such as D2 or SKD11. This helps to provide DC53 with it’s superior toughness, and fatigue resistances.
5. Technical delivery conditions:
EAF+LF+VD+ESR, As Rolled or forged, black surface or milling
6. Available sizes:
Flat/Plate: 12mm to 305mm thick in widths up to 710mm
Round bar: Diameter from 12mm to 510mm*Length3000-6000mm
Materials with larger dimensions are available as forged bars on request.
7. Delivery:
According to customer request for Standard plate/flat/bar, black surface, peeled, turned, cutting, sawing, milling or other machining process.