Guangzhou Changfeng Steel Co., LTD
The Customer Satisfaction Is The Soul Of Enterprise.
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Special Tool Steel with Excellent Machinability (1.2312 / P20+S / 3Cr2Mo+S)
1.2312 tool steel is ideally suited for the production of moulds where improved machinability is required. Typical applications include die holders, zinc die casting dies, backers, bolsters and injection moulds. The versatility of this plastic mould tool steel with its high tensile characteristics enables uses for a variety of other applications such as shafts and wear strips.
► Features
1. Alloy tool steel which offers good machineability;
2. Excellent polished finish for large section;
3. Supplied in the hardened and tempered condition ready for machining;
4. In this condition it gives excellent wear resistance.
► Application
1. Used for plastic mould, good polish with corrosion-resisting;
2. Long life and large plastic injection mold products such as home appliance, computer shell mold;
3. Thermoplastic plastic extrusion die;
4. Blow molding mold and Molding tool;
► Similar Grade
| GB | DIN | AISI | JIS |
| 3Cr2Mo+S | 1.2312 | P20+S | PX5 |
► Chemical Composition(%)
| C | Si | Mn | Cr | P | S | Mo |
| 0.35-0.45 | 0.35-0.50 | 1.40-1.60 | 1.80-2.00 | ≤0.035 | ≤0.015 | 0.30-0.55 |
► Recommend Heat Treatment
| Quenching | Tempering | ||||
| Heating temperature/ºC | Cooling way | Hardness (HRC) | Tempering temperature/ºC | Cooling way | Hardness (HRC) |
| 870-890 | Oil Cooling | 50-54 | 550-640 | Air Cooling | 28-36 |
► Available Size
| Plate (mm) | Block (mm) | ||||
| Thickness | Width | Length | Thickness | Width | Length |
| 16-125 | 2200 | 4000-8000 | 250-800 | 800-1600 | 2000-6000 |
► Delivery
For abundant stock, 7-15 days. For customized products, 30-50 days.
► Payment
30% deposit by T/T, the balance paied by T/T or L/C before shipment.
►Our Services
1. Sizes material and others are all at your requirements and can be change
2. Price varies on material , dimensions, finished craft and different payments
3. We are direct manufacturer in machinery manufacturing with experience of many years.
4. Detailed production design can be made according to the information you offered
5. Each material will be passed the UT test
6. We have an adequate inventory, so that we can effect a quick delivery
