Guangzhou Changfeng Steel Co., LTD
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P20/ 1.2311 Plastic Mold Steel (Quenching + Tempering) Steel Plate and Flat Bar
1, Equivalent Grades
| GB | DIN | AISI | JIS |
| 3Cr2Mo | 1.2311 | P20 | PDS-3 |
Physical Properties of 1.2311 P20 3Cr2Mo
Density: 0.284 lb/in3 (7861 kg/m3)
Specific Gravity: 7.86
Modulus of Elasticity: 30 x 106 psi (207 GPa)
Thermal Conductivity:
24 Btu/ft/hr/°F
41.5 W/m/°K
Machinability: 60-65% of a 1% carbon steel
2, Characteristics
a, Good hardenability
b, Good integral machanical performance under high temperature
c, Good heat-resistance and fatigue-resistance,Wear Resistance
d, Good performance against liquid metal erosion
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
3, 3Cr2Mo 1.2311 P20 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 Heart Treatment
| Quenching | Tempering | ||||||
| Heating temperature/℃ | Cooling way | Hardness (HRC) | Heating temperature/℃ | Cooling way | Hardness (HRC) | ||
| 850-880 | Oil Cooling | 50-52 | 580-640 | Air Cooling | 28-32 | ||
6, 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;
7, Packing: Standard Export Packing or As per request
About GUANGZHOU CHANGFENG STEEL Co., Ltd
Q: Are you a manufacturer or merely a trader?
A: We are group of companies and owned manufacturer bases and trading company. We specialized in plastic mould steel, hot work mould steel, cold work mould steel, alloy steel for mechanical, high speed steel, etc. All material are with high quality and competitive price.
Q: How do you guarantee the quality of your product?
A: Firstly, we can provide the certificates from the third party, such as SGS, CE, ISO if you need. Secondly, we have a complete set of inspection system and every process is checked by QC. Quality is the lifeline of enterprise survival.
Q: Delivery time?
A: We have ready stock for most of material grades in our warehouse. If the material don't have stock, the delivery lead time is about 30-50days (depend on the quantity)after receiving your prepayment or firm order.
Q: What is the payment term?
A: T/T or L/C or Trade Assurance.
Q: Can we visit your company and factory?
A: Yes, warmly welcome! We can book the hotel for you before you come to China and arrange our driver to our airport to pick you up when you come.