C40 Carbon Steel Round Bar

SAE 1018 carbon steel bright bar has excellent machinability and weldability. Strength, flexibility, and affordability make it a popular choice. Bright bars are steel bars that have been processed to have a smooth, polished surface finish, making them suitable for various applications where aesthetics and surface quality are critical.

SAE 1018 carbon steel is a low-carbon steel in the SAE-AISI 1000 series. “1018” indicates that it contains approximately 0.18% carbon. Due to its low carbon content, it is easy to cut, drill, and machine into desired shapes.

The excellent weldability of the SAE 1018 carbon steel bright bar is one of its essential characteristics. Conventional welding methods, such as gas, arc, and resistance welding, can be used without preheating or post-weld heat treatment. Its property makes it suitable for various fabrication processes, such as constructing structural components, automotive parts, and machinery.

1018 carbon steel bright bar can be cold-worked or hot-worked to achieve the desired shape. Cold working processes like cold drawing and rolling can improve its dimensional accuracy and surface finish. The material can be reshaped in hot working processes, such as forging and extrusion.

SAE 1018 carbon steel bright bar has a bright surface finish achieved through several processes. Following hot rolling, the steel bar undergoes a pickling treatment to remove surface impurities. The bar is then bright annealed, heated to a specific temperature, and held in a controlled atmosphere for a predetermined period to remove residual stresses and improve the surface finish. Precision straightening and polishing the bar produces a smooth and shiny appearance.

Many industries use SAE 1018 carbon steel in its bright bar form. It is commonly used for shafts, pins, bolts, nuts, washers, gears, and other components that require strength and good machinability. As a decorative material, the bright bar can be used in furniture, architectural applications, and ornamental designs due to its smooth surface finish.

SAE 1018 carbon steel bright bar is a versatile, widely used type of carbon steel with excellent machinability, weldability, and affordability. It can achieve a smooth, polished surface finish suitable for functional and decorative applications through processing steps.

Grade Introduction:

The SAE 1018 Bright steel bar is usually a carbon steel alloy that has improved the surface condition by drawing, peeling, or grinding over the hot rolled finish supplied by the steel mill. As a result, improved machining is achieved, less waste is generated at the assembly stage, physical and mechanical properties are improved, and dimensional tolerances and straightness are improved.

 In addition to being usefully malleable, iron-carbon alloys must contain more than 2% carbon by weight and one or more other elements within the following limits: – not more than 10% chromium – not more than 6% manganese – not more than 3% phosphorus – not more than 8% silicon – a total of not more than 10% of other elements.

 Steels 1018, 1020 (HR, CF) – Low carbon steels. Has good hardening properties and fair machinability.  Weldable and grazeable.

Addition to other grades:

MS, EN1A, EN3B, EN8, EN8D, EN9, EN19, EN24, EN31, EN32B, EN36C, EN41B, EN43B, EN47, EN353, IS2062, 42Crmo4, HCHCR, D2, D3, H-11, H-13, CW-1, OHNS, M2, M35, M42, 2714, SKD-11, P20, P20+S, P20+Ni, SCM 420, ASTM SA-36, ASTM SA-105, SAE 1020, SAE 4140, SAE 8620, 16MNCR5, 20MNCR5, C20, C35, C40, C45, C50, C60, CK45, 20C8, 40C8, 45C8, 55C8, C55MN75, SAE 52100, S40C, S355J2G3.

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