What is Price of Low-carbon Steel - Definition

Price of low-carbon steel is about $500/ton, while stainless steel costs about $2000/ton.There are obviously numerous kinds of steels from low to high carbon and a wide range of evaluations of stainless steels that change immensely in expense.

Low-carbon steel, also known as mild steel is now the most common form of steel because its price is relatively low while it provides material properties that are acceptable for many applications. Low-carbon steel contains approximately 0.05–0.25% carbon making it malleable and ductile. Mild steel has a relatively low tensile strength, but it is cheap and easy to form; surface hardness can be increased through carburizing.

Typical applications include automobile body components, structural shapes (e.g., I-beams, channel and angle iron), and sheets that are used in pipelines, buildings. For example, A36 steel is a common structural steel in the United States. Low-carbon steel sheets used for car body applications, for example, are subjected to a variety of forming operations, including deep drawing. Microstructures consist of ferrite and pearlite constituents. As a consequence, these alloys are relatively soft and weak but have outstanding ductility and toughness. In addition, they are machinable, weldable, and, of all steels, are the least expensive to produce. Density of this metal is 7861.093 kg/m³ (0.284 lb/in³) and the tensile strength is a maximum of 500 MPa (72500 psi).

Price of Low-carbon Steel

It is difficult to know the exact cost of the different materials because it strongly depends on many variables such as:

the type of product you would like to buy
the amount of the product
the exact type of material

Raw materials prices change daily. They are primarily driven by supply, demand and energy prices.

However, as a rule of thumb, stainless steels cost four to fives times much as carbon steel in material costs. Carbon steel is about $500/ton, while stainless steel costs about $2000/ton. The more alloying elements the steel contains, the more expensive it is. Based on that rule, it is logical to assume that the 316L austenitic stainless steel and the 13% Cr martensitic stainless steel will cost less than the 22% Cr and the 25% Cr duplex stainless steels. The nickel-based steels would probably cost at least around the price of the duplex stainless steels. There are obviously numerous kinds of steels from low to high carbon and a wide range of evaluations of stainless steels that change immensely in expense. For example, Inconel 600 (registered trademark of Special Metals), which is one of a family of austenitic nickel-chromium-based superalloys costs about $40000/ton.

References:

Materials Science:

U.S. Department of Energy, Material Science. DOE Fundamentals Handbook, Volume 1 and 2. January 1993.
U.S. Department of Energy, Material Science. DOE Fundamentals Handbook, Volume 2 and 2. January 1993.
William D. Callister, David G. Rethwisch. Materials Science and Engineering: An Introduction 9th Edition, Wiley; 9 edition (December 4, 2013), ISBN-13: 978-1118324578.
Eberhart, Mark (2003). Why Things Break: Understanding the World by the Way It Comes Apart. Harmony. ISBN 978-1-4000-4760-4.
Gaskell, David R. (1995). Introduction to the thermodynamics of Materials (4th ed.). Taylor and Francis Publishing. ISBN 978-1-56032-992-3.
González-Viñas, W. & Mancini, H.L. (2004). An Introduction to Materials Science. Princeton University Press. ISBN 978-0-691-07097-1.
Ashby, Michael; Hugh Shercliff; David Cebon (2007). Materials: engineering, science, processing and design (1st ed.). Butterworth-Heinemann. ISBN 978-0-7506-8391-3.
J. R. Lamarsh, A. J. Baratta, Introduction to Nuclear Engineering, 3d ed., Prentice-Hall, 2001, ISBN: 0-201-82498-1.

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Steels

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