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Product Details:
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| Heat Treatment: | Annealed/Q + T | Surface Treatment: | Black/Peeled/Polished/Machined |
|---|---|---|---|
| Delivery Condition: | Forged Or Hot Rolled | Test: | SGS/Ut 100%/Element Testing |
| Certificate: | ISO/Mill Test Certificate | Shape: | Round Bar/Forged Bar |
| Hardness: | 28 To 32 HRC | Flaw Detection: | CC / DD/ EE |
| Service: | Free Sample And 24 Hours Online | Standard: | AISI, ASTM, DIN, GB，JIS，BS |
| High Light: | engineering special steels,air hardening tool steel |
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DIN1.2311/ AISI P20 Hot Rolled Round Bar (Dia10-350mm) of Plastic Mold Steel
Widely using range steel quenching and tempering P20 3Cr2Mo 1.2311 is a versatile, low-alloy tool steel that is characterized by good toughness at moderate strength levels. The special purpose Prehardening mold steel P20 steel plate is commonly used for plastic injection mold cavities and tooling and for die casting dies for zinc. widely using range steel 1.2311 P20 mold steel plate material is typically sold in the pre-hardened condition at a hardness of approximately 300 HBW. And with good cutting mechanical property and Corrosion resistance.
Physical Properties
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
Mechanical 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, Feature
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, 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)
| Round Bar | Diameter (mm) | Length (mm) | |
| 10-350 | 4000-12000 | ||
| Forged Bar | Diameter (mm) | Length (mm) | |
| 200-800 | 2000-6000 | ||
5, 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;
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Tel: +86 18148729336
Fax: +86-020-8251-5866
