
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
Guangzhou Changfeng Steel Co., LTD
Guangzhou ChangFeng Steel Co., Ltd. is a professional special steel company, which specialized in exporting mould steel products based in China.With twenty years experience in special steel industry, our main products are Plastic Mould Steel, Hot Work Mould Steel, Cold Work Mould Steel, Alloy Structural Steel, Tool Steel, Stainless Steel, Carbon Steel and Forged Block.
To ensure provide high quality products to customers, we have close cooperation with many Chinese first class special steel enterprises, including Baosteel Group, Dongbei Special Steel, Changcheng Special Steel, Hongsheng Heavy Industry, Xingcheng Special Steel, Daye Special Steel. We have thousand tons of stock materials in our own factory and also can provide processing services to customers. We are full of export experience for many years, the product covers America, Germany, France, Italy, Turkey, Singapore, Thailand, Malaysia, Vietnam, Taiwan, and Middle-East.
After years of development, the company has established a complete quality management and export service system. We have a group of experienced and competent elites and is capable of offering the best service to clients. Our company equips with large-sized Vertical saw machines, Horizontal saw machines, Milling machines, Grinding machines and other advanced equipments to provide customers with cutting and other processing services. All the products should be inspected the metallographic analysis, hardness, ultrasonic flaw detection and other strict inspection processes, which meet the standards of DIN, AISI, JIS and GB to ensure their function and quality.
Our company keeps the principle of “sincerely cooperation, endless striving for perfection”. We desire to establish the long-term mutual beneficial and win-win relationship with clients all over the world.