AISI 4617 Alloy Steel Chemical Composition Properties, Grades, Tables and Pdf

AISI 4617 belongs to the category of low carbon nickel-molybdenum alloy steels that are well known for their good toughness and strength. Its chemical nature features major elements included as carbon, manganese, phosphorus, sulfur, silicon, nickel, chromium, molybdenum, and vanadium. The material demonstrates the highest level of hardenability among other alloys and hence can be successfully used for constructing tools in many industries dealing with high strength, wear resistance. AISI 4617 steel is mainl vy applied for gears, shafts, axles and other components that have exceptional fatigue strenf and impact resistance. Such properties can be also improved with the processes such as hardening and tempering after heating. Grades, properties, composition and tables of the material are given in detailed PDF documents and technical specifications available from the producers and industrial resources sources.

AISI 4617 Alloy Steel Chemical Composition And Grade Table

AISI 4617 is a type of steel that has a significant amount of nickel and only a little carbon; known for its superior tensile properties and strength. Its chemical composition usually consist of carbon (CO), magnesium (Mg), phosphorus (P), sulfur (S), silicon (Si), nickel (Ni), molybdenum (Mo), and other trace elements. Specifically, a grade table with the alloy's own distinct features makes AISI 4617 a frequently used steel in applications having ordinarily high strength and durability demands such as gears, axles, and crankshafts. Its specific chemical composition and quality guarantees reliability and performance in a wide range of such harsh conditions and so it is usually supplied with parts of importance for the demanding applications of industry.

AISI 4617 Alloy Steel Composition Table
Elements Iron, Fe Nickel, Ni Manganese, Mn Molybdenum, Mo Silicon, Si Carbon, C Phosphorus, P Sulfur, S
Min (%) - 1.65 0.45 0.2 0.15 0.15 - -
Max (%) Balance 2 0.65 0.3 0.3 0.2 0.035 (max) 0.04 (max)

Advantages and Disadvantages of AISI 4617 Alloy Steel


  • High Toughness: Possesses good toughness properties.

  • Corrosion Resistance: Offers fairly good corrosion protection in specific conditions.

  • Good Formability: Suitable for molding into different shapes.

  • Moderate Machinability: Tolerable to engineering tolerances under specified conditions.


  • Moderate Hardenability: Limited capacity to achieve high hardness.

  • Weldability Challenges: May require preheating and postweld heat treatment.

  • Surface Sensitivity: Sensitive to surface characteristics during machining.

  • Complexity in Processing: Requires special care during heat treatment and processing.

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