1.4528 / X105CrCoMo18-2 / AISI 440B (Modified)

Sheet Steel 1.4528 / X105CrCoMo18-2

📌 Overview and Technical Specifications

Sheet steel 1.4528 / X105CrCoMo18-2 is a high-performance martensitic stainless steel with a high chromium, cobalt, and molybdenum content. It is known for its excellent corrosion resistance, high hardness, and wear resistance, making it ideal for precision cutting tools, surgical instruments, and high-stress components.

🛠 Specifications:

• Hardness: 230–260 HB (annealed), up to 62 HRC (hardened)
• Thickness: from 1 mm to 50 mm
• Yield strength: 900–1100 MPa
• Tensile strength: 1600–1900 MPa
• Elongation: 6–10%

🧪 Chemical Composition

• Carbon (C): 1.00 – 1.10%
• Silicon (Si): 0.20 – 0.50%
• Manganese (Mn): 0.20 – 0.50%
• Chromium (Cr): 17.00 – 19.00%
• Cobalt (Co): 1.50 – 2.50%
• Molybdenum (Mo): 1.00 – 2.00%
• Phosphorus (P): ≤0.030%
• Sulfur (S): ≤0.030%

⚙ Applications

Steel 1.4528 / X105CrCoMo18-2 is widely used in the following industries:

• 🔪 Manufacturing of precision cutting tools and knives
• 🏥 Surgical instruments and medical devices
• 🏗 Components for high-stress mechanical applications
• 🚀 Aerospace and automotive industries requiring high wear resistance

🌟 Features

• ✅ Excellent corrosion resistance and durability
• ✅ High hardness and wear resistance
• ✅ Good edge retention for cutting applications
• ✅ Strong mechanical properties under extreme conditions

Steel Supply Forms 1.4528 / X105CrCoMo18-2