Guangzhou Changfeng Steel Co., LTD |
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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