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High-quality precision injection rubber molds made from P20 steel offer an optimal balance of toughness, machinability, and wear resistance, making them ideal for high-precision rubber parts. These pre-hardened steel molds are typically used for producing consistent, durable, and complex components in industries such as automotive and consumer goods.
Key Features of P20 Steel Injection Rubber Molds
- Material Quality: P20 is a pre-hardened (usually 28–32 HRC or higher) chrome-moly tool steel, providing excellent surface quality and structural integrity.
- Precision & Durability: P20 molds are engineered for high accuracy, maintaining dimensional stability throughout the molding process.
- Enhanced Performance: Options like P20-Ni or higher hardened P20 (up to 40-44 HRC) are available for enhanced wear resistance and longevity.
- Machinability: Known for good machinability, it allows for intricate detailing and high-precision machining, which is crucial for complex rubber part geometries.
- Customization: P20 molds are highly customizable, offering options like cold runner systems for faster production and reduced waste.
Advantages in Rubber Molding
- Uniformity: P20 steel ensures excellent uniformity in hardness, leading to consistent rubber parts and lower waste.
- High-Pressure Tolerance: The material is designed to handle high pressures and temperatures typical of rubber injection molding.
- Cost-Effective: While offering high performance, P20 often presents a better cost-to-performance ratio for medium-volume production compared to specialized, more expensive tool steels.
Typical Applications
- Automotive rubber components
- Industrial rubber parts and hoses
- Household silicone products
- Precision rubber seals and gaskets
For superior performance in high-precision scenarios, manufacturers often look for P20 materials sourced from reputable global suppliers and use advanced 3D design to ensure high precision within 3 days and first samples within 30 days.
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Precision P20 Steel Injection Mold for Automobile Bumper ...
Alibaba.com
https://www.alibaba.com › Fabrication Services › Moulds
Alibaba.com
https://www.alibaba.com › Fabrication Services › Moulds
1. Technical Expertise: Specialization in large, high-precision, multi-cavity molds, with a maximum single mold weight of 25 tons. · 2. Quality Assurance: An R&D ...Read more
Discussions and forums
S50C vs. P20 mold steel for injection molding
Reddit ·
r/manufacturing
· 8 comments
· 2 years ago
S50C vs. P20 mold steel for injection molding
Reddit ·
r/manufacturing
· 8 comments
· 2 years ago
Difference between steel mold types P20H, S136H and 718H?
ACO Mold ·
6 years ago
Difference between steel mold types P20H, S136H and 718H?
ACO Mold ·
6 years ago
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Web results
P20 Mold Steel
Hudson Tool Steel
https://www.hudsontoolsteel.com › technical-data › steelp0
Hudson Tool Steel
https://www.hudsontoolsteel.com › technical-data › steelp0
P20 Mold Steel is a versatile, low-alloy tool steel that is characterized by good toughness at moderate strength levels.Read more
P20 Plastic Mold Steel - Materials Database
PACE Technologies
https://www.metallographic.com › materials › p20-plast...
PACE Technologies
https://www.metallographic.com › materials › p20-plast...
P20 is the most widely used pre-hardened plastic mold steel, supplied at 30-36 HRC and machined directly to final mold shape.Read more
High Quality P20 Steel Injection Mold Custom Plastic ...
AliExpress
https://www.aliexpress.com › item
AliExpress
https://www.aliexpress.com › item
Jan 31, 2026 — High Quality P20 Steel Injection Mold Custom Plastic Product Mold Dual cavity design for efficient injection molds.Read more
TOOL STEELS AND INJECTION MOLDING
Mantle 3D
https://mantle3d.com › blogs › tool-steels-and-injection...
Mantle 3D
https://mantle3d.com › blogs › tool-steels-and-injection...
Mar 11, 2024 — P20 is the best tool steel for a first-iteration product, and it will likely be used with a mold that has 1-4 cavities, a single face, and a ...Read more
P20 High Hard Steel, DIN 1.2738 HH, P20 HH, MD Xtra
Milano Special Steel
https://www.milanospecialsteel.com › p20-high-hard-steel
Milano Special Steel
https://www.milanospecialsteel.com › p20-high-hard-steel
P20 High Hard Steel is a versatile, pre-hardened steel commonly used in the manufacturing of plastic injection molds, die-casting tools, and various other.
P20 rubber injection molding - Goodyou Elastomer
xmgoodyou.com
https://www.xmgoodyou.com › Rubber Mold
xmgoodyou.com
https://www.xmgoodyou.com › Rubber Mold
Have a look at a great selection of customized rubber molds! We also provide durable P20 rubber injection molding and P20 steel high quality precision ...
$50.00 to $2,000.00In stock
AISI P-20 Steel | Prehardened Tool Steel
Alro
https://www.alro.com › divsteel › metals_gridpt
Alro
https://www.alro.com › divsteel › metals_gridpt
AISI P20 Prehardened is a chrome-moly tool steel made specifically to fill the requirements for the machined cavities and forces used in zinc die casting and ...Read more
People also ask
What is P20 mold steel used for?
Its typical applications include manufacturing mold bases, daily necessities, backing plates, back plates, and zinc die-casting molds. P20 mold steel is the material for manufacturing parts or products, and is an essential part of the injection molding process.
Application and Importance of P20 Mold Steel in Various Fields
Songshun Steel
https://songshunsteel.com › application-and-importance-...
Songshun Steel
https://songshunsteel.com › application-and-importance-...
What is the best steel for injection molds?
H13 Steel
H13 Steel:
H13 steel is a high-performance chromium-molybdenum hot work tool steel known for its outstanding heat resistance and strength. Ideal for molds subjected to high-temperature conditions or thermal cycling, H13 excels in maintaining hardness and toughness at elevated temperatures.Dec 1, 2025
H13 steel is a high-performance chromium-molybdenum hot work tool steel known for its outstanding heat resistance and strength. Ideal for molds subjected to high-temperature conditions or thermal cycling, H13 excels in maintaining hardness and toughness at elevated temperatures.Dec 1, 2025
Choosing the Right Steel Type for Injection Mold Construction
Decatur Mold
https://www.decaturmold.com › blog › choosing-the-rig...
Decatur Mold
https://www.decaturmold.com › blog › choosing-the-rig...
Web results
Mold Steel: Durable Solutions for Manufacturing
liang long co., ltd.
https://www.liang-long.com › news_detail
liang long co., ltd.
https://www.liang-long.com › news_detail
Aug 8, 2024 — P20 Steel: Commonly used for plastic injection molds and die casting, P20 steel offers good toughness and machinability. · H13 Steel: Known for ...Read more