Categories | Plastic Mold Steel |
---|---|
Brand Name: | CF |
Model Number: | 1.2311, P20, PDS-3, 3Cr2Mo |
Certification: | ISO / Mill Test Certificate |
Place of Origin: | China |
MOQ: | Negotiable |
Price: | Negotiable |
Payment Terms: | T/T, L/C |
Supply Ability: | 1000 MT per month |
Delivery Time: | 7-15 days |
Packaging Details: | Standard Export Packing or As per request |
Heat treatment: | Annealed/Q + T |
Surface treatment: | Black/Peeled/Polished/Machined |
Delivery condition: | Forged or Hot rolled |
Test: | SGS/Ut 100%/Element testing |
Shape: | Round/plate/sheet/flat bar |
Hardness: | 28 to 32 HRC |
Flaw detection: | CC / DD/ EE |
Service: | Free Sample and 24 hours online |
1.2311/ P20/ PDS-3/ 3Cr2Mo Plastic Mold Steel Round Bar (Diameter 10-350mm)
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;
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 |
Equivalent Grades
GB | DIN | AISI | JIS |
3Cr2Mo | 1.2311 | P20 | PDS-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 |
Available Size (mm)
Flat Bar Size(mm) | Round Bar Size(mm) | |||
Thickness | Width | Length | Diameter | Length |
10-700 | 155-2200 | 2000-6000 | 20-200 | 2000-6000 |
Recommend Heat 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 |
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.
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
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