P20 Plastic Mould Steel
Comparable Standards
| Designation | Standard |
| DIN W.Nr. 1.2738 | P20 |
| AISI/SAE | P20 |
| JIS | SKD61 |
Chemical Composition (wt %)
| C | Si | Mn | P (max) | S (max) | Cr | Mo | |
| 0.28–0.45 | 0.20–0.4 | 0.6–0.1.6 | 0.035 | 0.035 | 1.40–2.0 | 0.15–0.25 |
Mechanical Properties
| Property | Value |
| Typical Hardness | 30–34 HRC |
| Ultimate Tensile Strength | 900 MPa |
| Modulus of Elasticity | 210 GPa |
Heat Treatment Guidelines
– Annealing: 690–710 °C; slow cool
– Hardening: 820–840 °C; oil quench
– Tempering: 540–560 °C; 2× temper cycles
Typical Applications
– Injection mould inserts
– Mould cores & cavities
– Die-casting dies
– Hot runner components
Supply Formats & Services
– Stocked Shapes: Rounds (20 – 350 mm Ø), Flats (25 × 50 – 200 × 500 mm), Blocks (up to 2,000 kg)
– Custom Cutting: Precision bandsaw to drawing
– Value-Added Services: In-house forging & heat treatment, Ultrasonic (UT) & MPI testing, Hardness & microstructure analysis, Pre-machining & surface grinding
Certifications & Quality Assurance
– Mill-Traceable Test Certificates (EN 10204 3.1)
– Ultrasonic & MPI Reports (ASTM A388 on request)
– Hardness, Grain-Size & Decarb Analysis
– ISO 9001:2015 (certification in process)
Logistics & Enquiry
– Same-day Dispatch for stocked items from Kolkata
– 24–48 hr turnaround on custom-cut materials
– PAN-India Delivery via trusted logistics partners