SAE 1045 Round Bars are medium-carbon steel round bars widely selected for engineering components that require a practical combination of strength, hardness, machinability and wear resistance. The grade is commonly identified as AISI/SAE 1045 and is valued for its relatively balanced mechanical performance compared with lower-carbon steels. Jineshwar Steels supplies SAE 1045 Round Bars for applications where dependable material consistency and dimensional control are important. As an experienced manufacturer, the company can support different sizes, lengths, finishes and supply conditions according to project requirements. SAE 1045 is particularly suitable for shafts, axles, studs, pins, gears, bolts, machine components and fabricated engineering parts. Its medium-carbon chemistry also makes it suitable for selected heat-treatment operations when the application requires increased surface or bulk hardness. The final mechanical properties depend on diameter, manufacturing route, heat treatment and delivery condition, so material certificates and inspection requirements should be considered when specifying the product.

Jineshwar Steels operates as a dependable supplier of SAE 1045 Round Bars for domestic and international engineering requirements. These bars can be supplied in hot rolled, cold drawn, peeled, ground or other commercially available finishes depending on size and customer specification. The choice of finish is important because different applications demand different levels of dimensional tolerance, surface quality and machining allowance. Hot rolled bars are commonly selected for general fabrication and machining where standard commercial tolerances are acceptable, while cold drawn, peeled or ground conditions can be preferred for applications requiring improved dimensional accuracy and surface finish. SAE 1045 provides useful machinability while maintaining higher strength than many low-carbon grades. For manufacturers of shafts, rollers, pins, couplings, machine parts and industrial equipment, selecting the correct diameter and delivery condition helps achieve predictable machining performance. Jineshwar Steels focuses on supplying material against defined specifications, inspection requirements and commercial schedules rather than treating every order as a generic steel-bar purchase.

Table of Contents

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SAE 1045 Round Bars Specifications

02

SAE 1045 Round Bars Chemical Composition

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SAE 1045 Round Bars Mechanical Properties

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SAE 1045 Round Bars Applications

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SAE 1045 Round Bars Latest Price List

As an exporter and stockist, Jineshwar Steels can support SAE 1045 Round Bars for customers requiring regular industrial quantities as well as project-based procurement. Stock availability can vary by diameter, length, finish and heat-treatment condition, so buyers should communicate their complete requirement before order confirmation. Proper identification of grade, size, quantity, surface condition, length and certificate requirements helps reduce delays during procurement. For export orders, packaging and documentation are also important because round bars must remain protected during handling, storage and transportation. Jineshwar Steels can coordinate packing suitable for shipment, with identification markings and documentation as specified by the customer. SAE 1045 Round Bars are commonly used in general engineering, automotive components, machinery manufacturing, agricultural equipment, material-handling systems and industrial fabrication. Their combination of strength and machinability makes them an economical choice when a medium-carbon steel grade is appropriate for the component design.

Customers looking to buy SAE 1045 Round Bars should evaluate more than the initial material quotation. The best price is normally achieved when grade, dimensions, quantity, finish, tolerances, testing and delivery requirements are clearly established before quotation. Material supplied with the appropriate inspection documentation can help reduce quality-related uncertainty and avoid additional inspection or rejection costs. Jineshwar Steels works with customers to understand whether the requirement is for general-purpose machining, precision components, heat-treated parts or a specific engineering application. Depending on the order, round bars may be supplied in standard or customized lengths, subject to manufacturing and commercial feasibility. Buyers can request material test certificates, dimensional inspection and other testing requirements where applicable. This approach allows procurement teams to compare quotations on both price and technical value. For repeat requirements, standardized specifications can also help streamline future purchasing and maintain consistency between batches.

Jineshwar Steels aims to serve as a leading manufacturer and sourcing partner for carbon steel and alloy steel products used throughout engineering and industrial sectors. SAE 1045 Round Bars are particularly useful where components need moderate-to-high strength with good machinability and the possibility of subsequent heat treatment. Typical applications include drive shafts, axles, pins, gears, studs, connecting components, machine-tool parts, rollers, spindles and general-purpose fabricated components. The grade is not universally interchangeable with alloy steels such as SAE 4140 or SAE 4340; application engineers should select the material according to the required strength, hardenability, wear resistance, section size and service conditions. For this reason, Jineshwar Steels can supply technical documentation and material information to help customers identify the appropriate product condition. A professional sourcing process should always consider the complete component specification rather than selecting steel solely by nominal grade or price.

Specification	Details
Product	SAE 1045 Round Bars
Material Grade	SAE 1045 / AISI 1045
Steel Type	Medium Carbon Steel
UNS	G10450
Standard	SAE J403 / Applicable customer specification
Shape	Round Bar
Manufacturing Condition	Hot Rolled / Cold Drawn / Peeled / Ground, subject to size and requirement
Surface	Black / Bright / Peeled / Ground, as specified
Length	Standard or Cut Length as required
Diameter	As per customer requirement and manufacturing capability
Heat Treatment	As Rolled / Normalized / Annealed / Quenched & Tempered, as specified
Testing	Chemical, Tensile, Hardness, Dimensional and Visual Inspection as applicable
Certificate	Material Test Certificate available as agreed

Element	Carbon (C)	Manganese (Mn)	Phosphorus (P)	Sulfur (S)	Silicon (Si)	Iron (Fe)
Composition (%)	0.43–0.50	0.60–0.90	≤ 0.040	≤ 0.050	Typically residual / process dependent	Balance

Property	Tensile Strength	Yield Strength	Elongation	Hardness	Modulus of Elasticity	Density
Typical Reference Value	Approx. 625 MPa, condition dependent	Approx. 530 MPa, condition dependent	Typically around 12–20%, depending on condition and section	Approx. 170–210 HB, condition dependent	Approx. 200–206 GPa	Approx. 7.85 g/cm³