ThePipingMart Blog Grades SAE/AISI 1526 Steel (UNS G15260) – Composition, Properties and Uses

SAE/AISI 1526 Steel (UNS G15260) – Composition, Properties and Uses

SAE / AISI 1518 Steel

SAE/AISI 1526 is a high-carbon alloy steel renowned for its exceptional properties. This steel exhibits high hardness and wear resistance, coupled with good toughness and strength. Additionally, it offers commendable corrosion resistance and heat resistance. Widely utilized in the automotive and aerospace industries, AISI 1526, also known as UNS G15260, is a high-strength carbon steel composed primarily of iron and carbon, along with trace amounts of sulfur and phosphorus. The core attributes of SAE 1526 Steel include remarkable strength and hardness, making it an excellent choice for applications demanding durability and toughness. Moreover, this steel possesses excellent weldability and machinability, rendering it favorable for various industrial processes. In essence, AISI 1526 Carbon Steel stands out as a reliable and versatile material, highly sought after across numerous industries due to its formidable properties. Let’s delve deeper into some of the key properties and applications of SAE/AISI 1526.

What Forms of AISI 1526 is Available at Piping Mart?

  • Nut
  • Bar
  • Bolt
  • Pipe
  • Screw
  • Tubing
  • Valves
  • Washers
  • Flanges
  • Fasteners
  • Electrodes
  • Stud Bolts
  • Sheet Plates
  • Pipe Fittings
  • Forged Fitting
  • Instrumentation Fittings

AISI 1526 Carbon Steel Composition

AISI 1526 is a medium carbon steel with a well-balanced composition designed to optimize strength and weldability. Its chemical composition includes a carbon content between 0.220% and 0.290%, contributing to its notable hardness. Additionally, manganese is a key alloying element that enhances toughness. This steel is commonly employed in applications where a harmonious blend of strength, machinability, and resistance to wear and fatigue is required, making it suitable for various engineering and manufacturing purposes.

Element Content (%)
Iron, Fe 98.22 – 98.68
Manganese, Mn 1.10 – 1.40
Carbon, C 0.220 – 0.290
Sulfur, S 0.0500
Phosphorous, P 0.0400

AISI 1526 Carbon Steel Physical Properties

AISI 1526 carbon steel Contains key physical properties that are ideal for variety of applications. It provides a balanced weight factor with a density of approximately 7.85 g/cm³. This steel features a thermal conductivity of 49 and 51 W/m·K, showcasing efficient heat transfer capabilities. Furthermore, its specific heat capacity is around 477 J/kg·K, contributing to its thermal stability. These physical attributes make AISI 1526 suitable for applications where a combination of strength, heat conduction, and thermal resilience is essential.

Properties Metric Imperial
Density 7.7-8.03 g/cm3 0.278-0.290 lb/in3

AISI 1526 Carbon Steel Mechanical Properties

AISI 1526 carbon steel exhibits mechanical properties that are crucial for various applications. With a tensile strength of 640 MPa (metric) or approximately 93,000 psi (imperial) and a yield strength of 400 MPa (metric) or around 58,000 psi (imperial), it offers robust structural integrity. The steel’s elongation at break is approximately 20%. Additionally, AISI 1526 features a hardness ranging from 187 to 229 Brinell. In metric and imperial units, these mechanical attributes make it well-suited for applications requiring a balance of strength, ductility, and resistance to deformation or wear.

Properties Metric Imperial
Elastic modulus 190-210 GPa 27557-30458 ksi
Poisson’s ratio 0.27-0.30 0.27-0.30

AISI 1526 Carbon Steel Uses

UNS G15260 is a specific type of alloy steel commonly used in heavy-duty machinery and construction applications. It has a good combination of low-temperature toughness and an ability to retain strength after hardening and tempering, making it suitable for applications that require significant structural strength at elevated temperatures. This material is also often quenched and tempered to increase its toughness and wear resistance, making it extremely versatile in terms of uses. It is primarily used in parts related to the automotive industry, bridges, pressure vessels, cranes, forgings, screw products, and more, as it can withstand the level of strain associated with many industrial tasks.

AISI 1526 Uses in Industries

  • Automotive Industry
  • Industrial Machinery
  • Agricultural Equipment
  • Construction Industry
  • Oil and Gas Industry

AISI 1526 Carbon Steel Corrosion Resistance

AISI 1526 carbon steel demonstrates satisfactory corrosion resistance, Making it suitable for various applications. Its inherent resilience allows for effective performance in environments with corrosion challenges, ensuring long-term durability.

AISI 1526 Carbon Steel Heat Resistance

AISI 1526 carbon steel exhibits commendable heat resistance, enabling reliable performance in applications subjected to moderate temperature variations. Its inherent qualities make it a positive choice for diverse engineering and manufacturing requirements.

AISI 1526 Carbon Steel Machinability

AISI 1526 carbon steel excels in machinability, simplifying fabrication and precise shaping. Its favorable machinability features position it as a top choice across diverse manufacturing processes, guaranteeing effectiveness and precision in outcomes.

AISI 1526 Carbon Steel Weldability

AISI 1526 carbon steel shows superb weldability, making it easy to seamlessly join in various applications. Its favorable welding characteristics position it as a preferred material, guaranteeing dependable and efficient results across different scenarios.


SAE/AISI 1526 steel is a versatile choice with balanced properties. Its excellent machinability, weldability, and moderate heat resistance make it well-suited for diverse applications, ensuring efficient fabrication and reliable performance; the carbon steel’s blend of strength and workability positions it favorably in various engineering and manufacturing scenarios.

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