P20/1.2311 Plastic Mold Steel
P20/1.2311 Plastic Mold Steel
P20 plastic mold steel is an alloy steel widely used in the manufacturing of plastic molds. It has excellent wear resistance, toughness, and machinability, making it suitable for the production of plastic molds with medium complexity. P20 steel is commonly used for making injection molds, die-casting molds, and is especially ideal for producing large quantities of plastic products.
Product Parameter Table
|
Property |
Value |
|
Chemical Composition |
C: 0.28-0.40%, Mn: 0.60-1.00%, Si: 0.80-1.20%, Cr: 1.90-2.50%, Mo: 0.30-0.50%, S: ≤ 0.030%, P: ≤ 0.035% |
|
Hardness (HRC) |
28-34 HRC (in quenched condition) |
|
Tensile Strength |
1100-1300 MPa |
|
Yield Strength |
≥ 900 MPa |
|
Elongation |
≥ 12% |
|
Impact Toughness |
≥ 25 J (Impact test) |
|
Thermal Conductivity |
26.5 W/m·K |
|
Coefficient of Thermal Expansion |
11.6 × 10^-6 /°C |
|
Maximum Hardened Depth |
3-4 mm (after quenching and tempering) |
Applications: P20 steel is widely used in the manufacturing of medium and large plastic molds, particularly for injection molds, die-casting molds, and other plastic forming applications. It is also suitable for the production of aluminum alloy casting molds.
Note: The specific properties of P20 steel may vary depending on the manufacturer and processing methods, so the above values are for reference.
Application
1. Injection Molds: P20 steel is commonly used for manufacturing plastic injection molding molds, especially for products with high-quality requirements, such as household appliances, automotive parts, and consumer electronics.
2. Die-Casting Molds: Due to its excellent wear resistance and toughness, P20 steel is highly suitable for manufacturing die-casting molds for light metals such as aluminum alloys.
3. Thermoplastic Molds: It is ideal for molds used in the mass production of thermoplastic plastic products, such as plastic bottles, packaging containers, and automotive interior parts.
4. Medium and Large Molds: P20 steel is often used for producing medium to large plastic molds, especially for complex plastic components.
5. Precision Plastic Molds: Due to its good polishability, P20 steel is also suitable for plastic molds that require high precision and smooth surface quality.
In summary, P20 steel is widely used in plastic mold manufacturing due to its balanced mechanical properties and excellent machinability, making it particularly suitable for mass production of plastic molds and high-demand aluminum alloy molds.
Customer Testimonials
Good Performance and Durability
“We’ve been using P20 steel for years. It’s tough and resistant to wear, making it great for molds that need to last under high temperatures and pressure.”
Easy to Machine and Polish
“P20 steel is easy to machine and polish, making it perfect for precision molds with smooth surfaces.”
Cost-Effective
“P20 steel offers great value. It’s affordable and performs well, which makes it ideal for mass production of plastic molds.”
Great for Medium and Large Molds
“P20 steel is our go-to for medium and large molds. It’s strong and durable, which helps reduce maintenance and replacements.”
Versatile
“P20 steel works well for all kinds of plastic molds, including those for home appliances, car parts, and electronics. It always gives consistent results.”
