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| Alloy Steel Grade: | 1.2311, P20, PDS-3, 3Cr2Mo | Standard: | DIN, JIS, AISI, ASTM, GB, BS |
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| Application: | Die Mould / Tooling / Machinery | Technics: | Hot Roll, Forged |
| Heat Treatment: | Annealed / Q+T / H+T | Hardness: | 28 To 32 HRC |
| Flaw Detection: | CC / DD/ EE | Shape: | Plate / Flat Bar / Round Bar |
| High Light: | alloy steel flat bar,d2 tool steel |
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1.2311 P20 Prehardening Wear Resistance Plastic Mold Steel Flat and Round Bar
Prehardening Wear Resistance mechanical behavior AISI P20 Steel Plate Material is a versatile, low-alloy tool steel that is characterized by good toughness at moderate strength levels. The special purpose Prehardening mold steel P20 steel plate is commonly used for plastic injection mold cavities and tooling and for die casting dies for zinc. P20 mold steel plate material is typically sold in the pre-hardened condition at a hardness of approximately 300 HBW. And wth good cutting mechanical property.
1, Features:
a, Good hardness uniformity and polishing property,good machining properties.
b, Good integral machanical performance under high temperature.
c, Good heat-resistance and fatigue-resistance,high mechanical behavior,cutting mechanical property.
d, Pre-hardened to HRC28-32, can be directly used for mould processing, shorten the construction period.
e, High putity and homogeneous structure of China's biggest ESR production base for its strict requirement in the whole process of exploitation, smelting, vacuum degassing, ESR, forging, annealing, inspection.
2, Characteristics:
a, Good hardenability
b, Good integral machanical performance under high temperature
c, Good heat-resistance and fatigue-resistance,Wear Resistance
d, Good performance against liquid metal erosion
e, High putity and homogeneous structure of China's biggest ESR production base for its strict requirement in the whole process of exploitation, smelting, vacuum degassing, ESR, forging, annealing, inspection
3, Applications:
Used for various lager-sized or medium-size precision plastic mould and alloy parts.
a, Ideally suited for the production of plastic moulds;
b, Die holders, zinc die casting dies, backers, bolsters and injection moulds;
c, Shafts, rails and wear strips;
4, Equivalent Grades:
| GB | DIN | AISI | JIS |
| 3Cr2Mo | 1.2311 | P20 | PDS-3 |
5, Chemical Composition (Wt%) :
| Steel Grade | C | Si | Mn | Cr | Mo | S | P |
| 1.2311 | 0.35-0.45 | 0.20-0.40 | 0.60-1.00 | 1.80-2.10 | 0.30-0.55 | ≤0.003 | ≤0.030 |
| P20 | 0.35-0.45 | 0.20-0.40 | 0.60-1.00 | 1.80-2.10 | 0.30-0.55 | ≤0.003 | ≤0.030 |
| PDS-3 | 0.35-0.45 | 0.20-0.40 | 0.60-1.00 | 1.80-2.10 | 0.30-0.55 | ≤0.003 | ≤0.030 |
6, Available Size (mm):
| Plate Size(mm) | Flat Bar Size(mm) | Round Bar Size(mm) | |||||
| Thickness | Width |
Length Länge |
Thickness | Width | Length | Diameter | Length |
| 10-700 | 1600-2200 | 4000-10000 | 10-700 | 155-2200 | 2000-6000 | 20-200 | 2000-6000 |
7, Recommend Hear Treatment:
| Quenching | Tempering | ||||||
| Heating temperature/℃ | Cooling way | Hardness (HRC) | Heating temperature/℃ | Cooling way | Hardness (HRC) |
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| 850-880 | Oil Cooling | 50-52 | 580-640 | Air Cooling | 28-32 | ||
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