- Description
Description
MILANO SPECIAL STEEL: Your Premier Partner for DIN 1.2311, P20, and Plastic Mould Steel in India
Welcome to Milano Special Steel, India’s leading wholesale and retail supplier of high-quality DIN 1.2311 Tool Steel, P20 Tool Steel, and a comprehensive range of Plastic Mould Steel solutions. With over 50 years of unparalleled experience in the special steel industry, we are your trusted source for superior materials, expert advice, and exceptional service. Located strategically in Gurugram, Haryana, near the industrial hubs of Manesar, Bawal, and Bhiwadi, we proudly serve clients across all over India, delivering the precise steel you need, exactly when you need it.
At Milano Special Steel, we understand the critical role that the right material plays in your manufacturing success. That’s why we specialize in providing meticulously sourced and quality-checked tool steels that meet the demanding requirements of various industries, including aluminum die casting, pressure die casting, sheet metal cutting, cutting tools making, plastic moulds making, automotive industry, forging industry, industrial machines, and industrial and defense industry parts making. Whether you require steel plates or round shapes, we offer both wholesale and retail quantities, including cut pieces sizes as per customer requirements, ensuring maximum flexibility for your projects.
Explore our extensive offerings and discover why Milano Special Steel is the preferred choice for engineers, manufacturers, and toolmakers nationwide.
Understanding DIN 1.2311 Tool Steel: Properties, Applications, and Advantages
DIN 1.2311 Tool Steel, also widely known as P20+S (pre-hardened and sulfur-added for improved machinability), is a versatile and highly popular alloy specifically designed for plastic mold applications. Its unique combination of properties makes it an ideal choice for a wide array of tooling needs, particularly where excellent machinability, polishability, and uniform hardness are paramount.
Key Properties of DIN 1.2311 Tool Steel:
- Pre-Hardened State: One of the most significant advantages of DIN 1.2311 is its availability in a pre-hardened condition (typically 280-320 HB or 28-32 HRC). This eliminates the need for further heat treatment by the end-user, saving considerable time, cost, and reducing the risk of distortion and cracking associated with hardening processes.
- Excellent Machinability: The addition of sulfur (as in P20+S) significantly enhances the machinability of DIN 1.2311, allowing for faster material removal rates and superior surface finishes during machining operations. This is crucial for complex mold designs.
- Good Polishability: This steel exhibits excellent polishability, which is vital for achieving the high surface finishes required for aesthetic plastic parts and for easy mold release.
- High Toughness and Ductility: Despite being pre-hardened, DIN 1.2311 maintains good toughness and ductility, providing resistance to cracking and chipping during operation, especially under stress from injection molding cycles.
- Uniform Hardness Distribution: Due to its composition and pre-hardening process, DIN 1.2311 offers a very uniform hardness distribution throughout its cross-section, ensuring consistent performance even in large molds.
- Through Hardening Capability (Limited): While primarily used in its pre-hardened state, it can be further through-hardened if specific applications demand higher core hardness.
- Good Wear Resistance (Moderate): For applications requiring very high wear resistance, surface treatments like nitriding or chrome plating can be applied to DIN 1.2311.
Typical Composition of DIN 1.2311 Tool Steel:
- Plastic Moulds: The primary application for DIN 1.2311 is in the manufacturing of large and medium-sized plastic injection molds, particularly for automotive components, consumer electronics, and household goods.
- Die Casting Dies (Low-Pressure): Suitable for some low-pressure die casting applications where high operating temperatures are not sustained.
- Mould Frames: Its stability and machinability make it excellent for mold frames and bolsters.
- Press Tools: Used for various press tool components and holders.
- Rubber Moulds: Effective in the production of rubber molds due to its good surface finish capabilities.
Price of DIN 1.2311 Tool Steel:
The price of DIN 1.2311 Tool Steel varies based on market conditions, specific dimensions (plate thickness, round bar diameter), quantity ordered, and any custom cutting requirements. At Milano Special Steel, we strive to offer the most competitive wholesale and retail pricing for DIN 1.2311 steel. We encourage you to contact us directly for a personalized quote that reflects your specific needs. Our ability to supply cut pieces sizes ensures you only pay for the material you truly require, optimizing your project costs.
Equivalent Grades & Alternative Grades of DIN 1.2311:
Understanding equivalent and alternative grades is crucial for material selection.
- Equivalent Grades:
- AISI P20+S: This is the most direct equivalent, often with sulfur added for improved machinability.
- JIS SCM440: While not a direct tool steel equivalent, SCM440 is a comparable alloy steel often used where similar strength and machinability are desired.
- GB 3Cr2Mo: The Chinese equivalent.
- Alternative Grades:
- DIN 1.2738: Often considered an upgrade, offering higher cleanliness and better polishability, particularly for high-gloss plastic parts.
- DIN 1.2312: A similar grade but with higher sulfur content for even better machinability, though potentially at the expense of polishability.
- DIN 1.2083 (AISI 420): For applications requiring corrosion resistance and higher hardness (often used after hardening), such as medical device molds or PVC processing.
Milano Special Steel maintains a comprehensive stock of DIN 1.2311 in various plate and round shapes, ready for immediate dispatch across all over India.
P20 Tool Steel: The Workhorse of the Plastic Mould Industry
P20 Tool Steel is a chromium-molybdenum alloy steel widely recognized for its excellent combination of toughness, machinability, and polishability in its pre-hardened state. It is the backbone of the plastic injection molding industry and finds extensive use in various other tooling applications. When you search for “P20 Tool Steel,” you are looking for reliability and performance.
Key Properties of P20 Tool Steel:
- Pre-Hardened (28-32 HRC): Like DIN 1.2311, P20 is supplied pre-hardened, eliminating the need for further heat treatment by the user. This simplifies manufacturing, reduces lead times, and minimizes the risk of dimensional changes or cracking.
- Excellent Machinability: P20 offers very good machinability, making it suitable for complex mold geometries and intricate tooling.
- High Polishability: Crucial for achieving the mirror-like finishes required for optical parts, automotive lenses, and other high-gloss plastic products.
- Good Toughness: Provides resistance to impact and thermal shock during continuous operation, contributing to longer tool life.
- Uniform Hardness: Ensures consistent performance throughout the mold, even in large sections.
- Weldability: P20 steel has good weldability, which is important for mold repairs or modifications.
- Nitriding Capability: Can be nitrided to achieve a harder surface layer, enhancing wear resistance and extending mold life in abrasive applications.
Typical Composition of P20 Tool Steel:
Applications of P20 Tool Steel:
- Plastic Injection Molds: The primary application, covering a vast range of products from automotive dashboards to medical components.
- Die Casting Dies (Zinc & Lead): Suitable for low-temperature alloy die casting.
- Mold Holders and Bolsters: Provides stable and durable support for mold inserts.
- Press Brake Dies: Used for forming sheet metal.
- Rubber Molds: Due to its excellent surface finish capabilities.
- Jigs and Fixtures: Where stable and machinable material is required.
Price of P20 Tool Steel:
Milano Special Steel is committed to providing P20 Tool Steel at highly competitive prices for both wholesale and retail purchases. The price of P20 Tool Steel depends on various factors such as dimensions (plate thickness, round bar diameter), specific grade (e.g., P20, P20+S, P20HH), and market dynamics. For an accurate and personalized P20 Tool Steel price quote, please visit our website www.p20highhardsteel.com or contact our sales team at [email protected]. We specialize in providing cut pieces sizes as per customer requirement’s, ensuring cost-effectiveness for your projects delivered all over India.
Difference between DIN 1.2311 and P20 Tool Steel:
While often used interchangeably, there are subtle differences and historical distinctions between DIN 1.2311 and P20.
- Nomenclature: DIN 1.2311 is the German (DIN) standard for a specific chemical composition and properties, often corresponding to a P20 grade with sulfur (P20+S) in other international standards. P20 is an AISI (American Iron and Steel Institute) designation.
- Sulfur Content: Many suppliers use “P20” as a general term for this steel family. However, the DIN 1.2311 specification inherently includes a slightly higher sulfur content (when compared to a “clean” P20) for improved machinability, often referred to as P20+S. P20 can also be supplied without the added sulfur for applications prioritizing polishability over extreme machinability.
- Typical Hardness: Both are typically supplied in a pre-hardened state of 28-32 HRC.
- Application Overlap: For practical purposes in plastic molding, both grades serve very similar functions. The choice often comes down to regional availability, specific customer preferences, and slight variations in machinability/polishability requirements.
Milano Special Steel stocks both DIN 1.2311 and various P20 Tool Steel grades, ensuring you find the precise material for your application.
Equivalent Grades & Alternative Grades of P20 Tool Steel:
- Equivalent Grades:
- DIN 1.2311: As discussed, this is a very close equivalent, often with sulfur.
- GB 3Cr2Mo: Chinese standard.
- JIS SKD61 (Pre-hardened version): While SKD61 is a hot-work tool steel, certain pre-hardened versions can serve similar roles in less demanding plastic mold applications.
- Alternative Grades:
- P20HH (P20 High Hard): Offers slightly higher hardness (33-37 HRC) for increased wear resistance without needing further heat treatment. Milano Special Steel is a prominent supplier of P20 High Hard Steel.
- H13 (AISI H13 / DIN 1.2344): For applications requiring higher operating temperatures, extreme toughness, or very good through-hardening capabilities (e.g., high-pressure die casting).
- 420 SS (Stainless Steel, e.g., DIN 1.2083): For corrosive environments, medical applications, or cleanroom requirements, offering corrosion resistance after hardening.
Plastic Mould Steel: Comprehensive Solutions from Milano Special Steel
Beyond DIN 1.2311 and P20, Plastic Mould Steel encompasses a broad category of tool steels specifically engineered to meet the diverse demands of the plastic injection molding industry. At Milano Special Steel, we offer a comprehensive range of plastic mould steel solutions, catering to every requirement from general-purpose molds to highly specialized applications.
Factors Influencing Plastic Mould Steel Selection:
Choosing the right plastic mould steel involves considering several critical factors:
- Type of Plastic Material: Abrasive plastics (e.g., filled nylons) require higher wear resistance, while corrosive plastics (e.g., PVC) necessitate corrosion-resistant steels.
- Production Volume: High-volume production warrants more durable, harder steels with excellent wear resistance.
- Surface Finish Requirements: High-gloss parts demand steels with superior polishability.
- Mold Complexity and Size: Large, complex molds benefit from pre-hardened, stable steels that minimize distortion during machining.
- Operating Temperature: For high-temperature molding processes, hot-work tool steels might be necessary.
- Cost Considerations: Balancing material cost with expected mold life and performance.
Types of Plastic Mould Steel Available at Milano Special Steel:
- Pre-Hardened Plastic Mould Steel (e.g., DIN 1.2311, P20, P20HH, DIN 1.2738):
- These are the most common choices, supplied in a ready-to-use hardness. They offer excellent machinability, good polishability, and stability. Ideal for general-purpose molds, medium to large sizes, and where avoiding heat treatment is preferred.
- MILANO SPECIAL STEEL is a leading name for P20 High Hard Steel.
- Through-Hardening Plastic Mould Steel (e.g., AISI 420 / DIN 1.2083, DIN 1.2343/1.2344):
- These steels are supplied in an annealed condition and require hardening and tempering after machining to achieve the desired hardness. They offer higher hardness, better wear resistance, and often improved corrosion resistance.
- Applications: Molds for abrasive plastics, medical instruments, clear plastic parts, and corrosive plastic processing.
- Corrosion-Resistant Plastic Mould Steel (e.g., AISI 420 / DIN 1.2083, Stavax ESR):
- Crucial for molding corrosive plastics (like PVC, acetals) or for medical/food packaging applications where cleanliness and corrosion resistance are paramount. These steels are often stainless or semi-stainless.
- High Wear-Resistant Plastic Mould Steel (e.g., powder metallurgy steels like CPM 10V, Vanadis 4 Extra):
- For extremely abrasive plastic materials or very high-volume production where tool life is critical. These steels contain high levels of carbides, providing exceptional wear resistance but often at the expense of machinability and cost.
Applications of Plastic Mould Steel:
The applications are vast and diverse, spanning across almost every manufacturing sector:
- Automotive Industry: Dashboards, bumpers, interior trim, lighting components.
- Consumer Goods: Appliance housings, toys, electronic casings, kitchenware.
- Medical Industry: Syringes, diagnostic equipment parts, surgical components.
- Packaging Industry: Food containers, bottle caps, cosmetic packaging.
- Electronics Industry: Connectors, circuit breaker components, phone cases.
- Construction: Fittings, pipes, electrical conduits.
Composition of Various Plastic Mould Steels:
The composition varies significantly based on the intended properties. For instance:
- AISI 420 (DIN 1.2083): Features higher Chromium (12-14%) for corrosion resistance, along with Carbon (0.30-0.40%) for hardenability.
- DIN 1.2738: A variant of P20, often with higher Nickel content (around 1.0-1.5%) for improved through-hardening and polishability.
- Hot Work Steels (e.g., H13/1.2344): Contain higher Chromium, Molybdenum, and Vanadium for high-temperature strength and thermal fatigue resistance.
At Milano Special Steel, we provide detailed material data sheets for all our plastic mould steel grades, outlining their composition, properties, and recommended applications.
Price of Plastic Mould Steel:
The price of plastic mould steel is as varied as the grades themselves. Factors include alloy content, manufacturing process (e.g., ESR melting for enhanced cleanliness), dimensions, and market demand. Milano Special Steel is dedicated to offering highly competitive pricing across our entire range of plastic mould steel plates and round shapes. We provide solutions for both wholesale and retail clients, and our ability to supply cut pieces sizes as per customer requirement’s ensures you get exactly what you need without unnecessary waste, resulting in optimal price and value.
Why Choose Milano Special Steel for Your Tool Steel Requirements?
Experience and Expertise: With over 50 years of experience in the special steel sector, Milano Special Steel possesses an unparalleled depth of knowledge. Our team of experts can guide you in selecting the ideal DIN 1.2311 Tool Steel, P20 Tool Steel, or other Plastic Mould Steel grades for your specific application, ensuring optimal performance and cost-efficiency.
Comprehensive Inventory: We maintain a vast inventory of DIN 1.2311, P20 Tool Steel, and diverse Plastic Mould Steel grades in both plates and round shapes. This ensures immediate availability and quick turnaround times for your projects, whether you need standard dimensions or cut pieces sizes as per customer requirement’s.
Quality Assurance: At Milano Special Steel, quality is paramount. All our tool steels undergo rigorous quality checks to meet international standards and ensure consistent performance. We partner with reputable mills globally to bring you only the finest materials.
Wholesale and Retail Supply: Whether you require large volumes for industrial production or smaller quantities for specialized tooling, we cater to both wholesale and retail clients. Our flexible supply options are designed to meet your every need.
Custom Cut Sizes: We understand that every project is unique. That’s why we offer cut pieces sizes as per customer requirement’s, minimizing waste and maximizing efficiency for your operations.
Nationwide Delivery: Our robust logistics network ensures prompt and reliable delivery all over India. From our strategic location in Gurugram, Haryana, near Manesar, Bawal, and Bhiwadi, we ensure your material reaches you on time, every time.
Dedicated Customer Service: Our commitment extends beyond just supplying steel. We pride ourselves on providing exceptional customer service, offering technical support, prompt responses to inquiries, and efficient order processing.
Serving Diverse Industries: Our major clients span critical sectors:
- Aluminum Die Casting Industry
- Pressure Die Casting Industry
- Sheet Metal Cutting
- Cutting Tools Making
- Plastic Moulds Making Industry
- Automotive Industry
- Forging Industry
- Industrial Machines Manufacturing
- Industrial and Defense Industry Parts Making
Contact Milano Special Steel Today!
Ready to elevate your manufacturing with superior tool steel? For inquiries, personalized quotes, or to discuss your specific DIN 1.2311 Tool Steel, P20 Tool Steel, or Plastic Mould Steel requirements, please reach out to us.
Milano Special Steel Location: Gurugram, Haryana, India (Near Manesar, Bawal, Bhiwadi) Email: [email protected] Website: www.milanospecialsteel.com | www.p20highhardsteel.com
Trust Milano Special Steel – your reliable partner for premium tool steel solutions in India. We look forward to serving you!
