P20 Plastic Mould Steel Supplier in Mumbai

High-Quality P20 (1.2311) Plastic Mould Steel – Pre-hardened & Ready for Machining

Jini Enterprise is a trusted P20 plastic mould steel supplier in Mumbai, delivering premium-grade 1.2311 (AISI P20) pre-hardened tool steel to the plastic injection moulding and die-casting industries across India. P20 is a low-alloy chromium-molybdenum steel specifically engineered for plastic mould applications, offering an excellent combination of toughness, wear resistance, and polishability in its pre-hardened condition (28-32 HRC).

As a specialist plastic mould steel dealer, we supply P20 and P20+Ni grades that guarantee uniform hardness through large sections, ensuring minimal distortion during machining and EDM operations. Our material is sourced from leading integrated mills with full mill test certificates, making us the preferred partner for automotive, consumer goods, and electronics mould makers.

🌍 International Grade Equivalents

Standard	Grade	Description
AISI	P20	Standard pre-hardened plastic mould steel
DIN	1.2311	Equivalent to AISI P20
DIN (Ni)	1.2738	P20 + Nickel for improved toughness
JIS	PDS5	Japanese equivalent to P20
GB (China)	3Cr2Mo	Chinese standard equivalent

📊 Typical Mechanical Properties (Pre-hardened Condition)

Hardness

28 – 32 HRC

Tensile Strength

900 – 1050 MPa

Yield Strength

~ 800 MPa

Elongation

~ 13 %

✨ Why Choose P20 for Moulds?

Pre-hardened Delivery – Ready for immediate machining, no need for heat treatment.
Excellent Polishability – Achieves a high-gloss mirror finish for clear plastic parts.
Superior Machinability – Low tool wear during milling, drilling, and turning.
Uniform Hardness – Consistent properties through large cross-sections (up to 600mm).
Good Wear Resistance – Ideal for long production runs.

🛡️ P20+Ni (1.2738) – Enhanced Toughness

We also supply P20+Ni (1.2738) for applications requiring higher toughness and hardness (30-34 HRC). Adding nickel improves:

Impact resistance for thick sections
Through-hardening capability
Resistance to thermal fatigue

✔ Ideal for large automotive and appliance moulds.

📐 Available Forms & Sizes – Ready Stock

🔘 Round Bars (20mm – 350mm) ▭ Flat / Rectangular Bars ▢ Square Bars 🧱 Blocks & Plates (Custom Cut)

🏭 Applications in Plastic Moulding Industry

As a premier plastic mould steel supplier, we cater to the most demanding mould-making applications:

🚗 Automotive Dashboard Moulds

📺 TV & Appliance Cabinets

🧴 Consumer Packaging Moulds

📦 Industrial Crates & Containers

🔧 Die Casting Dies (Aluminium)

🪑 Furniture & Lighting Moulds

✨ Surface Finish & Polishability Guide

P20 steel can achieve exceptional surface finishes suitable for high-gloss plastic parts. Recommended polishing sequence:

1️⃣ 320 Grit (Grinding)

2️⃣ 600 Grit (Pre-polish)

3️⃣ 1200 Grit (Fine Polish)

4️⃣ Diamond Paste (Mirror Finish)

✔ Achievable Surface Roughness: Ra ≤ 0.05 µm

🌟 Why Mumbai's Mould Makers Trust Jini Enterprise

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Premium Quality

100% virgin P20 & P20+Ni from ISO-certified mills

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Wide Inventory

Large blocks & plates in stock for quick delivery

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Technical Guidance

Expert advice on grade selection & polishing

📍 Strategically located in Mumbai: Sripati Castle Annex-1 C-103, 1st floor, Sripati Castle, Balwant Kolhatkar Marg, Mumbai – 400004. Serving pan-India with fast logistics.

📞 Need Premium P20 Plastic Mould Steel in Mumbai?

Partner with Jini Enterprise – your trusted source for 1.2311 / P20+Ni tool steel. We deliver high-quality pre-hardened steel with mill certificates, competitive pricing, and pan-India shipping. Get your custom quote today!

📧 Email: jinienterprise109@gmail.com
📞 Call Now: +91 865 591 6397

📞 Call Now ✉ Contact Us

Jini Enterprise | Premium P20 Plastic Mould Steel Supplier in Mumbai - 1.2311 Pre-hardened Steel