Guangzhou Changfeng Steel Co., LTD
| Payment Terms | T/T, L/C |
| Supply Ability | 1000 MT per month |
| Delivery Time | 15 to 20 days |
| Packaging Details | Standard Export Packing or As per request |
| Heat treatment | Annealed/Q + T |
| Surface treatment | Black/Peeling/Polishing/Machined |
| Delivery condition | Forged or Hot rolled |
| Test | SGS/Ut 100%/Element testing |
| Certificate | ISO/Mill Certificate |
| Shape | Round/plate/sheet/flat bar |
| Hardness | 28 to 32 HRC |
| Flaw detection | CC / DD/ EE |
| Service | Free Sample and 24 hours online |
| Process | EAF+LF+VD+ESR |
| Brand Name | CF |
| Model Number | 1.2311 P20 PDS-3 3Cr2Mo |
| Certification | ISO / Mill Certificate |
| Place of Origin | China |
View Detail Information
Explore similar products
M2 1.3343 SKH51 Tool Steel Bar With Thickness 20-90mm DIN Standard
Diameter 14-460mm Tool Steel Bar EN19 For Steamer Abrasion Resistance
High Wear - Resisting Alloy Tool Steel Round Bar D2 SKD11 Dia 10-300mm For Tools
High Wear - Resisting Alloy Tool Steel Round Bar D2 SKD11 Dia 10-300mm For Tools
Product Specification
| Payment Terms | T/T, L/C | Supply Ability | 1000 MT per month |
| Delivery Time | 15 to 20 days | Packaging Details | Standard Export Packing or As per request |
| Heat treatment | Annealed/Q + T | Surface treatment | Black/Peeling/Polishing/Machined |
| Delivery condition | Forged or Hot rolled | Test | SGS/Ut 100%/Element testing |
| Certificate | ISO/Mill Certificate | Shape | Round/plate/sheet/flat bar |
| Hardness | 28 to 32 HRC | Flaw detection | CC / DD/ EE |
| Service | Free Sample and 24 hours online | Process | EAF+LF+VD+ESR |
| Brand Name | CF | Model Number | 1.2311 P20 PDS-3 3Cr2Mo |
| Certification | ISO / Mill Certificate | Place of Origin | China |
| High Light | carbon tool steel ，tool steel flat bar | ||
P20/ 1.2311/ 3Cr2Mo Plastic Mold Steel Prehardening QT Round Bar
P20 mould steel is a common alloy tool steel which usually supplied in QT condition. The 1.2311 steel can give an excellent polished finish. DIN 40CrMnMo7 tool steel is one of the most widely used material for machine cut plastic moulds. This grade also provides excellent wear resistance.
Physical Properties of 1.2311, P20, 3Cr2Mo special steel
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
3Cr2Mo 1.2311 P20 special mould steel Mechanical and Physical Properties
| Properties | Metric |
| Hardness, Brinell (typical) | 300 |
| Hardness, Rockwell C (typical) | 30 |
| Tensile strength, ultimate | 965-1030 MPa |
| Tensile strength, yield | 827-862 MPa |
| Elongation at break (in 50 mm (2″)) | 20.00% |
| Compressive strength | 862 MPa |
| Charpy impact (V-Notch) | 27.1-33.9 J |
| Poisson’s ratio | 0.27-0.30 |
| Elastic modulus | 190-210 GPa |
1, Features
a, Good hardness uniformity and polishing property,good machining properties.
b, Good integral machanical performance when under high temperature, high Corrosion resistance
c, Good heat-resistance and fatigue-resistance,very high mechanical behavior,cutting mechanical property.
d, Pre-hardened to HRC28-32, can be directly used on mould processing, shorten the construction period.
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.
2, Equivalent Grades
| GB | DIN | AISI | JIS |
| 3Cr2Mo | 1.2311 | P20 | PDS-3 |
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.
Company Details
Business Type:
Distributor/Wholesaler,Exporter,Trading Company
Year Established:
2012
Total Annual:
5000000-10000000
Employee Number:
100~120
Ecer Certification：
Active Member
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 Struct... 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 Struct...
Get in touch with us
Leave a Message, we will call you back quickly!