Guangzhou Changfeng Steel Co., LTD
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Plastic Prehardened Mould Steel 1.2311 P20 3Cr2Mo Alloy Steel Block For Metal Extrusion Die
1. Comparable Grade
| AISI/ASTM | DIN | JIS | GB |
| P20 | 1.2311 | PDS-3 | 3Cr2Mo |
2. Application
It's used in zinc, aluminum,magnesium and its alloy die-casting mould, thermoplastic plastic injection molds, extrusion die, thermoplastic plastic blow molding mold, overloading mold main components, and metal extrusion die set.
3. Feature
1. 1.2311 has pure steel vacuum degassing refining process for polishing or etch processing plastic mold.
2. 1.2311 usually is in pre-hardened state of supply,. Without heat treatment can be used directly in the mold, so
the construction period is shortened.
3. This steel has good machinability and mirror polishing properties.
4. Its hardness after prehardening is 28-34HRC.
5. It has good dimensional stability.
4. Chemical composition (%)
| C | Si | Mn | P | S | Cr | Mo |
| 0.28-0.40 | 0.20-0.80 | 0.60-1.00 | ≤0.030 | ≤0.030 | 1.40-2.00 | 0.3-0.55 |
5. Characteristic
1. Vacuum degassing refining processing steel purity, suitable for polishing or etch processing plastic mold.
2. In pre-harden state delivery, no need in heat ttreatment can be directly used for mould processing, shorten the construction.
3. After heat treatment machining and polishing performance is good, the nitriding treatment, can be suitable for chrome plating surface treatment, such as material is qualitative hardness is uniform (400mm thick), good toughness and good machining performance.
6. Payment term: T/T or L/C
7. Our service
1.Sizes, materials and others are all at your requirements and can be changed.
2.Price varies on materials, dimensions, finish craft and different payments.
3.We are direct manufacture in machinery manufacturing work with experience of several decades.
4.Detail production design will be made according to information you offer.
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