AISI43110 1Cr17Ni2 Martensitic Stainless Steel
Introduction
AISI43110 1Cr17Ni2 is a martensitic stainless steel composed of chromium and nickel with a composition of 17.00-19.00% chromium and 2.50-4.50% nickel. This stainless steel has a high specific strength and corrosion resistance, making it desirable not only for decorative applications but also for corrosion-resistant applications. It is designed to meet specifications ASTM A276 Type 431 and ASTM A479, with aultra-high strength and toughness for use in applications such as cutlery, architectural components, and fasteners where corrosion resistance is not required.
Chemical Composition
The chemical composition of AISI43110 stainless steel is listed in Table 1 below.
Table 1: Chemical composition of AISI43110 1Cr17Ni2
C Cr Ni Co Mo 0.08-0.18 17.00-19.00 2.50-4.50 – –
Physical Properties
The physical properties of AISI43110 stainless steel are listed in Table 2 below.
Table 2: Physical properties of AISI43110 1Cr17Ni2
Density (g/cm3) 8.13 Melting point (℃) 1380-1450 Hardness (HB) ≈235
Mechanical Properties
The mechanical properties of AISI43110 stainless steel are listed in Table 3 below.
Table 3: Mechanical properties of AISI43110 1Cr17Ni2
Tensile strength (MPa) 550 Yield strength (MPa) 290 Elongation (%) 25
Applications
AISI43110 1Cr17Ni2 is a martensitic stainless steel that can be used in a variety of applications including:
• Automotive and industrial components such as valve seats, valves, and compressor parts
• Fasteners such as bolts and screws
• Architectural components such as rotary blades, curtain walls, and handrails
• Cutlery
• High pressure valve applications
• Chemical equiment
• Heat exchangers
• Medical instruments
• Chemical processing equipment
• Food processing equipment
Advantages
AISI43110 stainless steel has several benefits when compared to other stainless steels. This stainless steel has an ability to resist corrosion in both oxidizing and reducing atmospheres, making it a great solution for applications where chemical exposure is likely. Additionally, it has a higher strength-to-weight ratio than other stainless steels and is highly resistant to impact and wear. It has excellent machinability characteristics which allows it to be easily formed and shaped into various components. Due to its highly corrosion resistant properties and strength, it is commonly used in applications where chemical exposure and wear resistance are important.
Disadvantages
The only significant downside to AISI43110 1Cr17Ni2 stainless steel is its cost. While this type of stainless steel is highly durable, it is more expensive than other stainless steels due to its chromium and nickel content which makes up the majority of its composition. Additionally, the heat treatment process required for this type of stainless steel to reach its maximum strength potential is more time consuming and labor intensive than other stainless steels due to its martensitic structure.
Conclusion
AISI43110 1Cr17Ni2 is a martensitic stainless steel composed of chromium and nickel with a composition of 17.00-19.00% chromium and 2.50-4.50% nickel. It has excellent corrosion resistance and is highly resistant to impact and wear. It is commonly used in automotive and industrial components, fasteners, architectural components, and cutlery. While it has a higher cost than other stainless steels, its durability and high strength-to-weight ratio make it an excellent choice for applications where wear and chemical exposure are expected.
