Supreme Steels

125Cr5

Product Description:

125Cr5 is a high-chromium tool steel, often categorized as a high-alloy steel, known for its excellent wear resistance, high hardness, and good toughness. It is primarily used in the manufacture of high-performance tools and components that need to withstand severe mechanical stresses and high temperatures. The steel contains a substantial amount of chromium, which significantly enhances its wear resistance, while carbon provides high hardness. The addition of other elements like vanadium or molybdenum may improve toughness and heat resistance.

Features:

Specifications:

Composition of 125Cr5 Steel:

Element Percentage
Carbon (C) 0.50 – 0.60%
Manganese (Mn) 0.30 – 0.60%
Chromium (Cr) 4.50 – 5.50%
Silicon (Si) 0.30 – 0.50%
Vanadium (V) 0.10 – 0.20%
Phosphorus (P) 0.03% Max
Sulfur (S) 0.03% Max
Iron (Fe) Balance

Physical Properties:

Property Value
Density 7.85 g/cm³
Melting Point 1425°C (2597°F)
Hardness (Brinell) 250-300 HB
Tensile Strength 850-1100 MPa (123,000-160,000 psi)
Yield Strength 600-800 MPa (87,000-116,000 psi)
Elongation 8-12%
Modulus of Elasticity 210 GPa
Thermal Conductivity 42 W/m·K
Coefficient of Thermal Expansion 11.5 × 10⁻⁶ /°C