17.4PH SS Black Round Bars material is widely used in aerospace, chemical, and industrial applications, where high mechanical properties and resistance to stress corrosion cracking are crucial.
Key Features:
High Strength: Offers excellent strength and toughness, especially after heat treatment.
Corrosion Resistance: Outstanding resistance to corrosion in various environments, including chemicals and marine conditions.
Heat Treatability: Can be heat-treated to various levels of strength and hardness, making it highly versatile.
Ease of Fabrication: Despite its high strength, it remains relatively easy to machine compared to other high-strength steels.
Applications:
Aerospace components
Turbine blades and components
Chemical processing equipment
Marine applications
Valves and fittings
Instrumentation and fasteners
Physical Properties:
Property
Value
Density
7.75 g/cm³
Tensile Strength
1000 MPa (max)
Yield Strength
900 MPa (min)
Hardness
40-45 HRC (age-hardened)
Modulus of Elasticity
200 GPa
Melting Point
1375-1400°C
Thermal Expansion
10.0 µm/m°C
Chemical Properties:
Element
Composition (%)
Carbon (C)
0.07 Max
Chromium (Cr)
15.00-17.00
Nickel (Ni)
3.00-5.00
Copper (Cu)
3.00-5.00
Manganese (Mn)
1.00 Max
Silicon (Si)
1.00 Max
Phosphorus (P)
0.04 Max
Sulfur (S)
0.03 Max
Iron (Fe)
Balance
Advantages:
Precipitation Hardening: Can be heat-treated to improve strength, hardness, and wear resistance.
Superior Strength-to-Weight Ratio: High tensile strength and resistance to fatigue.
Corrosion Resistance: Excellent resistance to corrosive environments, particularly in chemical processing and marine applications.
Versatile: Suitable for a variety of applications requiring high mechanical properties and resistance to stress corrosion cracking.
17-4PH stainless steel black round bars are an excellent choice for applications requiring high strength, corrosion resistance, and the ability to perform in extreme conditions, especially in aerospace and industrial sectors.
