ThePipingMart Blog Grades SAE/AISI 1552 Carbon Steel (UNS G15520) – Composition, Properties and Uses

SAE/AISI 1552 Carbon Steel (UNS G15520) – Composition, Properties and Uses

SAE / AISI 1552 Steel

If you’re looking for steel that offers superior corrosion, heat, and machining resistance, then SAE/AISI 1552 steel is the material to choose. This versatile alloy is used in multiple industries due to its excellent properties. SAE/AISI 1552 Carbon Steel, also known as UNS G15520, is a low carbon steel that is commonly used for manufacturing various parts and components. This steel has a unique composition that includes elements like iron, carbon, manganese, and silicon. With its exceptional weldability, machinability, and excellent strength-to-weight ratio, SAE-AISI 1552 steel is highly sought after in the manufacturing industry. Furthermore, it possesses good corrosion resistance and a smooth surface finish, making it ideal for use in a variety of applications. Thanks to its remarkable properties, UNS G15520 is a popular choice for industries ranging from automotive and construction to machinery and equipment manufacturing. Let’s take a closer look at the characteristics and uses of SAE/AISI 1552 Carbon Steel.

What Forms of AISI 1552 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 1552 Composition

AISI 1552 is a low-alloy carbon steel with a composition emphasizing carbon, manganese, and silicon. This combination contributes to its notable strength and durability. Its versatile nature makes it suitable for diverse applications, particularly in industries where high-strength materials are essential for structural components and machinery parts.

Element Content (%)
Iron, Fe 97.86 – 98.33
Manganese, Mn 1.20 – 1.50
Carbon, C 0.470 – 0.550
Sulfur, S 0.0500
Phosphorous, P 0.0400

AISI 1552 Physical Properties

AISI 1552 exhibits a density of approximately 7.7-8.03 g/cm³, reflecting its mass per unit volume. This density, common in low-alloy carbon steels, influences the material’s overall weight and is a crucial factor in various applications, particularly where strength and weight considerations are essential, such as in structural components.

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

AISI 1552 Mechanical Properties

AISI 1552 demonstrates mechanical properties essential for engineering applications. Its elastic modulus, a measure of stiffness, typically ranges from 190 to 210 GPa. The Poisson’s ratio, indicating material deformation under stress, typically falls between 0.27 and 0.30. These properties contribute to the steel’s suitability for diverse structural and mechanical applications.

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

AISI 1552 Uses

AISI/SAE 1552 is an exceptionally strong steel alloy. Allowing it to withstand temperatures up to 1600°C or 2900°F. This makes it an optimal choice for a variety of uses, such as jet engines, fasteners, nuclear power equipment and turbine blades that are often exposed to extraordinarily high temperatures. The material is also easily machinable and can be cut into different shapes, forming desired components with precision. Because of its strength and malleability characteristics, AISI/SAE 1552 has become a popular choice amongst industry professionals when creating functional and dependable car chassis and suspension components like springs, shocks, and stabilizers.

AISI 1552 Uses in Industries

  • Automotive Industry
  • Aerospace Industry
  • Construction Industry
  • Energy Sector
  • Manufacturing Industry

AISI 1552 Corrosion Resistance

SAE/AISI 1552 steel stands out for its remarkable corrosion resistance, excelling in preventing oxidization and pitting when exposed to corrosive elements like salt water. Its ability to maintain strength and formability even at high temperatures makes it an optimal choice for robust corrosion protection applications. Another notable benefit of SAE/AISI 1552 steel is its heat resistance. It can withstand high temperatures without becoming brittle or losing its formability.

AISI 1552 Heat Resistance

Another notable benefit of SAE/AISI 1552 steel is its heat resistance. It can withstand high temperatures without becoming brittle or losing its formability. It is also resistant to thermal shock and can be used in applications that require cyclic variations in temperature without any significant loss in performance or strength. This makes it a great choice for parts exposed to extreme temperatures as well as those subject to frequent temperature fluctuations.

AISI 1552 Heat Treatment

SAE/AISI 1552 steel responds well to heat treatment processes such as hardening, tempering, and annealing. Hardening involves heating the material to a specific temperature before quenching it in cold water or oil, which increases its hardness and tensile strength while reducing ductility. Tempering involves reheating the material after hardening it so that it has improved toughness, but reduced hardness compared with fully hardened material. Annealing involves heating the material up to a specific temperature before cooling it slowly over time to improve ductility and softness while maintaining good strength characteristics.

AISI 1552 Machining

SAE/AISI 1552 steel is relatively easy to machine due to its low carbon content and relatively low hardness compared with other steels with similar mechanical properties, such as 4130 or 8620 alloy sheets of steel. However, despite this ease of machining, care must be taken when cutting this material due to its tendency to work hard during machining operations if not cooled properly between passes or if too much pressure is applied during cutting operations.

AISI 1552 Welding

SAE/AISI 1552 steel can be successfully welded using conventional welding techniques such as oxy-acetylene welding or metal inert gas welding (MIG). It should be preheated prior to welding in order to reduce cracking risk during subsequent cooling cycles; however, post-weld stress relief treatments are usually not required for this type of steel due to its inherent low levels of hardness after welding operations have been completed.


In short, SAE/AISI 1552 offers many benefits, including superior corrosion resistance, excellent heat resistance qualities, great machinability capabilities and easy weldability, making it an ideal choice for multiple applications across various industries needing strong yet pliable materials able to handle high temperatures and corrosive environments with ease whilst providing long-lasting performance no matter what the application requires!

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