P20 Steel: Composition, Properties, Hardness & Uses

 

P20 Steel: Composition, Properties, Hardness & Uses

P20 steel is a pre-hardened tool steel widely used for plastic mold making, offering excellent machinability, polishability, and durability. It is commonly supplied in the hardened and tempered condition and is known for its consistent performance in injection molds and die casting tools.

🔬 Chemical Composition of P20 Steel

Element Content (%)
Carbon (C) 0.28–0.40
Chromium (Cr) 1.40–2.00
Manganese (Mn) 0.60–1.00
Molybdenum (Mo) 0.30–0.60
Silicon (Si) 0.20–0.80
Sulfur (S) (P20+S only) 0.05–0.10

⚙️ Mechanical Properties

  • Hardness (HRC): 28–32 HRC (pre-hardened)
  • Tensile Strength: ~1000 MPa
  • Good toughness and wear resistance
  • Excellent dimensional stability

🛠️ Key Features of P20 Steel

  • Pre-hardened – ready for use without heat treatment
  • High machinability
  • Good mirror polish capability
  • Uniform hardness throughout the cross-section
  • Good weldability and durability

🔧 Common Applications

  • Plastic injection molds
  • Blow molds
  • Die casting dies (zinc, aluminum)
  • Tooling components
  • Mold bases and holders

📦 Available Forms

  • Flat bars
  • Forged blocks
  • Cut-to-size plates
  • Round bars

🏭 P20 Steel Supplier in India

Milano Special Steel is a trusted supplier of P20 tool steel in Delhi NCR and India, offering:

  • Tested and certified steel
  • Custom sizes and fast delivery
  • Competitive prices for bulk orders

📍 Address: 44/32, Village Narsinghpur, NH 8, Gurugram
🌐 Visit: www.milanospecialsteel.com

Also Visit :- P20 Tool Steel