SAE 1040 Round Bars are medium-carbon steel round bars known for their balanced combination of strength, hardness, machinability, and wear resistance. With approximately 0.40% carbon, this grade offers greater strength than low-carbon steels while retaining practical machining characteristics for a wide range of engineering applications. Jineshwar Steels supplies SAE 1040 Round Bars in different diameters, lengths, surface finishes, and supply conditions to meet the requirements of engineering, automotive, machinery, construction, fabrication, and general industrial applications. As an experienced manufacturer, exporter, supplier, stockist, dealer, and distributor, Jineshwar Steels focuses on consistent material quality, dimensional accuracy, traceability, and dependable delivery.

SAE 1040 is commonly selected when an application requires a useful balance between mechanical strength and manufacturing flexibility. The material can be supplied in hot-rolled, cold-drawn, peeled, ground, bright, or machined conditions depending on the customer's requirements. Heat treatment can also be used to modify hardness and mechanical performance where required. As a leading manufacturer and trusted supplier, Jineshwar Steels can support customers with material selection, dimensional requirements, inspection documentation, and export-oriented packing. Buyers looking to buy SAE 1040 Round Bars can specify the required diameter, length, quantity, surface condition, heat-treatment condition, applicable standard, and documentation requirements to receive a suitable commercial quotation and the best price available for the required specification.

Table of Contents

01

SAE 1040 Round Bars Specifications

02

SAE 1040 Round Bars Chemical Composition

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SAE 1040 Round Bars Mechanical Properties

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SAE 1040 Round Bars Applications

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SAE 1040 Round Bars Latest Price List

The manufacturing and supply process is focused on maintaining dimensional consistency and reliable metallurgical quality. Depending on the ordered condition, SAE 1040 Round Bars may undergo processes such as billet preparation, hot rolling or forging, controlled cooling, straightening, peeling or grinding, cutting, and final inspection. Dimensional checks help verify diameter, length, straightness, and surface condition, while chemical analysis is used to confirm the material's chemistry against the applicable specification. Where required, hardness, tensile, yield, elongation, and other mechanical tests can be performed. This approach enables Jineshwar Steels to provide material suitable for demanding engineering applications while maintaining traceability from raw material through final dispatch.

For buyers involved in automotive and mechanical engineering, SAE 1040 Round Bars are useful for components where moderate-to-high strength and resistance to mechanical wear are important. Typical applications can include shafts, axles, studs, bolts, pins, gears, couplings, spindles, machine components, connecting components, and other fabricated or machined parts. The actual suitability of SAE 1040 depends on component geometry, operating loads, temperature, surface conditions, heat treatment, and applicable design requirements. Jineshwar Steels works with customers to supply bars according to required dimensions and inspection needs rather than treating every application as a standard stock requirement. This makes the company a practical supplier and stockist for both recurring industrial requirements and project-specific procurement.

SAE 1040 Round Bars provide a practical balance between material strength and manufacturing convenience. Their medium-carbon composition makes them suitable for components that need greater mechanical performance than many low-carbon grades. Depending on the supply condition and heat treatment, the bars can achieve different levels of hardness and strength, allowing engineers to select an appropriate condition for the intended application.

Parameter	Specification / Typical Information
Product	SAE 1040 Round Bars
Material Grade	SAE/AISI 1040
Material Type	Medium Carbon Steel
Shape	Round Bar
Standard	SAE / AISI 1040, subject to purchase specification
Manufacturing Process	Hot Rolled / Forged / Cold Finished, as ordered
Surface	Black, Bright, Peeled, Ground or Machined, as required
Supply Condition	As Rolled / Annealed / Normalized / Heat Treated, as agreed
Diameter	As per customer requirement
Length	Fixed or random lengths, as required
Cutting	Custom cut lengths available
Testing	Chemical, Mechanical, Dimensional and other tests as agreed
Documentation	Material Test Certificate / Inspection Documentation as required
Packaging	Bundles, strapped and export packed as required

Element	Carbon (C)	Manganese (Mn)	Phosphorus (P)	Sulfur (S)	Iron (Fe)
Typical / Reference Range (%)	0.37–0.44	0.60–0.90	≤ 0.040	≤ 0.050	Balance

Condition	Tensile Strength	Yield Strength	Elongation	Hardness
Normalized / Typical Reference	Approx. 550–650 MPa	Approx. 300–400 MPa	Approx. 15–25%	Condition dependent