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1045 Carbon Steel

Empowering Your Projects with Resilience and Precision - 1045 Carbon Steel

1045 Carbon Steel: Strength Unleashed, Performance Ensured

Unleash the Power of 1045 Carbon Steel for Uncompromising Strength

1045 carbon steel is a medium-carbon steel alloy that contains approximately 0.45% carbon content. It is one of the most popular carbon steels due to its excellent combination of strength, toughness, and wear resistance. With its moderate carbon content, it offers a good balance of hardness and ductility, making it suitable for a wide range of applications.

Applications of 1045 Carbon Steel

It finds extensive applications in various industries due to its versatile properties. Here are some notable uses:

  1. Machinery and Equipment: 1045 steel is helpful in the manufacturing of machinery and equipment components. It is commonly employed in producing gears, shafts, axles, hydraulic cylinders, and forged parts. Its high strength and wear resistance make it ideal for heavy-duty applications.

  2. Automotive and Transportation: In the automotive industry, it is helpful for parts such as crankshafts, steering components, and camshafts. Its toughness and impact resistance make it suitable for demanding conditions. Additionally, it is employed in the production of various transportation equipment, including railroad parts and truck components.

  3. Tooling and Construction: Due to its hardness and durability, it is useful for tooling applications. It is employed in the manufacturing of cutting tools, dies, punches, and molds. Additionally, it is valuable in construction projects for structural components, such as beams, shafts, and supports.

  4. General Engineering: It finds its use in general engineering applications, including bolts, studs, couplings, and bushings. Its versatility and machinability make it a popular choice for a wide range of engineering components.

Machinability of 1045 Carbon Steel

This steel offers good machinability, making it suitable for various machining operations. Here are some key characteristics of its machinability:

  1. Cutting and Machining: it can be easily machined using conventional methods. It responds well to processes like turning, milling, drilling, and grinding. Its moderate hardness allows for efficient material removal while maintaining dimensional stability.

  2. Surface Finish: When properly machined, this steel can achieve a good surface finish. It can be honed, polished, or coated to enhance its appearance and protect against corrosion.

  3. Weldability: 1045 steel has fair weldability. It can be welded using common welding techniques such as arc welding and gas welding. Preheating and post-weld heat treatment may be required to minimize the risk of cracking.

  4. Heat Treatment: It can be heat-treated to achieve desired mechanical properties. Heat treatment processes like quenching and tempering can improve its hardness, strength, and toughness for specific applications.

It is a versatile medium-carbon steel alloy used in various industries. Its strength, toughness, and wear resistance make it suitable for machinery, automotive, tooling, and general engineering applications. With good machinability, 1045 steel can be easily shaped and machined using conventional methods. Consider this carbon steel for your projects that require a balance of strength, durability, and machinability.

Round Bar Suppliers


Shear Modulus 

Modulus of Elasticity

Bulk Modulus 

Ultimate Tensile Strength 

Yield Tensile Strength 

Elongation at Break  

Reduction of Area 

Poissons Ratio 

0.284 lb/in3

11600 ksi

29000 ksi

20300 ksi

81900 psi

45000 psi

16.0 %

40.0 %


1045 steel round bar

Chemical Properties







0.420 – 0.50

0.60 – 0.90



O’Hare Precision Metals for 1045 Steel Stocks

Buy high-quality 1045 steel from O’Hare Precision Metals, your trusted supplier. With an extensive inventory and strict quality control, they offer a seamless purchasing experience. Customize your order to meet specific requirements and benefit from their reliable delivery and excellent customer service. Choose O’Hare Precision Metals for competitive pricing without compromising on quality.

O’Hare Precision Metals is your go-to source for 1045 steel. Their extensive inventory, superior quality control, and customization options ensure you find the right product for your needs. Count on their reliable delivery and exceptional customer service to make your buying experience smooth and satisfactory. Trust O’Hare Precision Metals for high-quality 1045 steel at competitive prices. Contact us today!