Plastic Mould Steel Supplier in Mumbai
Jini Enterprise is a trusted plastic mould steel supplier in Mumbai, offering genuine pre-hardened mould steels for the plastic injection moulding industry. Plastic mould steel is the backbone of every mould-making operation—whether you're producing automotive interior parts, consumer electronics housings, packaging containers, or household appliances. We supply the three most widely used plastic mould steel grades in Mumbai's steel market: P20 (1.2311), P20+Ni (1.2738), and 1.2316, all with mill test certificates and full traceability.
As a dedicated supplier in Mumbai's steel trading hub, we maintain plastic mould steel in round bars, flats, squares, and blocks, with cut-to-size service to match your exact mould dimensions. Whether you need a small precision insert or a large mould block, we supply certified material ready for machining. From single pieces to bulk orders, Jini Enterprise is your reliable partner for plastic mould steel in Mumbai.
🧊 Why Jini Enterprise is the Preferred Plastic Mould Steel Supplier in Mumbai
Plastic mould steel demands consistency, polishability, and documentation. Here's what we deliver:
✔ Complete Plastic Mould Steel Range
P20 (1.2311), P20+Ni (1.2738), and 1.2316 corrosion-resistant mould steel—all available from a single supplier.
✔ Pre-Hardened, Ready to Machine
P20 is supplied pre-hardened at 28-32 HRC—no additional heat treatment required before machining, saving time and cost.
✔ Mill Certified Quality
Every consignment comes with Mill Test Certificates. Spectro, hardness, and UT testing available for full confidence.
✔ Cut-to-Size Service
Need a specific mould block size or bar length? We cut material to your exact requirement, saving time and reducing waste.
✔ Strategic Mumbai Location
Located in Girgaon—Mumbai's steel market. Easy access for inspection, pickup, and fast dispatch across India.
✔ Technical Guidance
Not sure whether P20, P20+Ni, or 1.2316 suits your mould? Our team helps you select the right grade based on polishability, toughness, and corrosion resistance.
🔧 Plastic Mould Steel Grades We Supply in Mumbai
We supply the most widely used plastic mould steel grades for injection moulding applications:
🔵 P20 (1.2311)
- Pre-hardened 28 – 32 HRC
- Excellent polishability & machinability
- General plastic moulds, small to medium sizes
- Consumer goods, packaging, appliances
🟡 P20+Ni (1.2738)
- Pre-hardened 30 – 34 HRC
- Enhanced toughness & through-hardening
- Large moulds, thick sections, high-volume production
- Automotive parts, large industrial housings
🧪 1.2316
- Corrosion-resistant mould steel
- Pre-hardened 28 – 32 HRC
- Medical, optical, and corrosive plastic moulds
- PVC and corrosive material applications
💡 Grade Selection Tip
- P20 – Best all-round choice for most moulds
- P20+Ni – Where higher toughness is needed
- 1.2316 – Where corrosion resistance is required
- Not sure? Our team helps you select the right grade
📌 Plastic Mould Steel Applications – Where Each Grade Excels
| Application |
Recommended Grade |
Key Property |
| General Injection Moulds | P20 (1.2311) | Polishability, machinability |
| Large Automotive Moulds | P20+Ni (1.2738) | Toughness, through-hardening |
| PVC & Corrosive Plastic Moulds | 1.2316 | Corrosion resistance |
| Packaging & Containers | P20, P20+Ni | Polishability, wear resistance |
| Medical & Optical Moulds | 1.2316 | Corrosion resistance, polishability |
| Consumer Electronics | P20, P20+Ni | Surface finish, dimensional stability |
📊 Chemical Composition – P20, P20+Ni & 1.2316 Compared
| Element |
P20 (1.2311) |
P20+Ni (1.2738) |
1.2316 |
| Carbon (C) | 0.35 – 0.45 | 0.35 – 0.45 | 0.33 – 0.45 |
| Chromium (Cr) | 1.80 – 2.10 | 1.80 – 2.10 | 15.50 – 17.00 |
| Molybdenum (Mo) | 0.15 – 0.25 | 0.15 – 0.25 | 0.80 – 1.30 |
| Nickel (Ni) | — | 0.80 – 1.20 | — |
| Manganese (Mn) | 1.30 – 1.60 | 1.30 – 1.60 | 0.40 – 0.80 |
📐 Available Forms & Sizes – Ready for Your Mould Requirements
🔘 Round Bars (10mm – 450mm)
▭ Flat / Rectangular Bars
▢ Square Bars
🧱 Blocks & Plates (Cut-to-Size)
✨ Precision Ground Tool Blanks
✔ Custom sizes available on request. All material supplied with full dimensional inspection reports.
✨ Surface Conditions Available
⚫ Hot Rolled / Black
🔘 Peeled / Turned
✨ Precision Ground (TGP)
💡 Bright Drawn
🧪 Machined / Ground
🌟 Why Choose Jini Enterprise for Plastic Mould Steel in Mumbai
🧊 Plastic Mould Steel Expertise
Deep understanding of P20, P20+Ni, and 1.2316 properties—we help you select the right grade based on mould size, polishability, toughness, and corrosion resistance.
🔬 Premium Quality & Consistency
Rigorous quality control ensures consistent mechanical properties, uniform hardness, and superior polishability across all grades.
📦 Comprehensive Product Range
Full spectrum of plastic mould steel forms—round bars, flats, squares, blocks, and custom-cut pieces for all mould-making needs.
🚚 Pan-India Supply
Fast, reliable delivery to mould makers and plastic moulding companies across India from our Mumbai base.
🔬 Quality Assurance – Certified Plastic Mould Steel
✔ OES / Spectro Analysis
✔ Hardness (HRC / HB) Testing
✔ Ultrasonic (UT) Flaw Detection
✔ Microstructure & Carbide Check
✔ Polishability Test
✔ MTC (3.1 / EN 10204) Certified
📍 Based in Mumbai, Serving All of India: Sripati Castle Annex-1 C-103, 1st floor, Sripati Castle,
Balwant Kolhatkar Marg, Mumbai – 400004. We serve mould makers, plastic moulding companies, and tool rooms across Mumbai, Maharashtra, and all major industrial hubs in India.
📞 Looking for Plastic Mould Steel in Mumbai? Get a Quote Today.
Partner with Jini Enterprise – your trusted plastic mould steel supplier in Mumbai. We supply genuine P20 (1.2311), P20+Ni (1.2738), and 1.2316 pre-hardened mould steels for injection moulding applications, backed by full certifications, competitive pricing, and pan-India delivery. Tell us your grade, mould block size, and quantity—we’ll respond with pricing and availability.
📧 Email: jinienterprise109@gmail.com
📞 Call Now: +91 865 591 6397