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Product Details:
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| Standard: | DIN, JIS, AISI, ASTM, GB, BS | Application: | Die Mould / Tooling / Machinery |
|---|---|---|---|
| Technics: | Hot Rolled, Forged | Heat Treatment: | Annealed / Q+T |
| Hardness: | 28 To 32 HRC (Prehardening) | Flaw Detection: | CC / DD/ EE |
| Surface Treatment: | Black/Peeled/Polished/Machined/Turned | Shape: | Plate / Flat Bar / Round Bar |
| High Light: | alloy tool steel,carbon tool steel |
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1.2311/ P20/ 3Cr2Mo Alloy Plastic Mould Steel Sheet of Special Tool Steel
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;
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.
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, Equivalent Grades:
| GB | DIN | AISI | JIS |
| 3Cr2Mo | 1.2311 | P20 | PDS-3 |
3, 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 |
4, Available Size (mm):
| Plate Size(mm) | Flat Bar Size(mm) | Round Bar Size(mm) | |||||
| Thickness | Width | Length | Thickness | Width | Length | Diameter | Length |
| 10-700 | 1600-2200 | 4000-10000 | 10-700 | 155-2200 | 2000-6000 | 20-200 | 2000-6000 |
5, Recommend Heat 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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