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SAE-4140 Steel Bar

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MOQ : 100 Kilograms

SAE-4140 Steel Bar Specification

Size
Custom/Standard sizes available

Recyclable
Yes

Hardness
28 - 32 HRC (annealed), up to 50 HRC (hardened)

Heat Resistance
Yes

Corrosion Resistant
Moderate; requires surface protection for extended exposure

Tensile Strength
850 - 1000 MPa (depending on heat treatment)

Material Composition %
C: 0.38-0.43%, Mn: 0.75-1.00%, Si: 0.15-0.35%, Cr: 0.80-1.10%, Mo: 0.15-0.25%, P 0.035%, S 0.04%

Diameter
10mm to 350mm (or as per requirement)

Product Form
Bar

Coating Type
Uncoated, Custom coating available upon request

Product Name
SAE-4140 Steel Bar

Steel Type
Alloy Steel

Steel Product Type
Round Bar

Grade
SAE-4140

Thickness
Custom/As required

Shape
Round (also available: Flat, Square)

Steel Standard
ASTM A29, JIS G4105, DIN 42CrMo4, BS EN19

Surface
Bright, Black, Peeled, Turned, Polished

Composition
Chromium-Molybdenum Alloy Steel

Application
Automobile, Machinery, Construction, Shafts, Gears, Bolts, Tools

Dimension (L*W*H)
Customized, Standard lengths (e.g., 3m, 6m)

Weight
Variable as per dimension

Color
Natural Steel Grey

Material Grade
4140

Finish Type
Bright, Hot Rolled, Forged, Annealed

Usage
Engineering Components, Forgings, Heavy-duty Shafts

Delivery Condition
Annealed, Hardened & Tempered, Quenched

Density
7.85 g/cm3

Weldability
Moderate (requires preheating and post-weld heat treatment)

Machinability
Good, especially in annealed condition

Quench Medium
Oil or water as required

Impact Strength
Good impact resistance

Elongation
16-20% (depending on heat treatment)

Magnetic Properties
Magnetic

Melting Point
1432C (2610F)

Yield Strength
655 MPa

SAE-4140 Steel Bar Trade Information

Minimum Order Quantity
100 Kilograms

Payment Terms
Cash in Advance (CID)

Supply Ability
1000 Kilograms Per Month

Delivery Time
5-7 Days

Main Domestic Market
All India

About SAE-4140 Steel Bar

Experience the stellar quality of SAE-4140 Steel Bar, renowned for its exquisite impact resistance and versatile applications across engineering, machinery, and construction. This chromium-molybdenum alloy steel, available in custom and standard sizes, boasts a perfect combination of machinability and moderate weldability, making it a preferred choice among discerning engineers. Instant Checkout ensures a swift procure process, and favorable reviews highlight its reliability for shafts, gears, forgings, and tools. Delivered bright, hot rolled, or polished, it's the perfect alloy for your high-performance needs.

Outstanding Features and Broad Application

SAE-4140 Steel Bar features good machinability and impressive impact strength, making it a stellar selection for demanding manufacturing environments. Its moderate weldability and multiple surface finishes, including bright, black, peeled, and polished, cater to diverse requirements. Favored in plant applications such as automobile and machinery manufacturing, as well as forging forgings and heavy-duty shafts, this exquisite alloy is perfect for both standard and customized usage, ensuring reliability in critical and high-stress components.

Swift Delivery, Secure Packaging & Sample Provision

Orders for SAE-4140 Steel Bar are seamlessly handed over within a quoted timeframe, ensuring prompt delivery to your site or warehouse. Secure and sturdy packaging options-including bundles, wooden crates, and waterproof wrapping-safeguard your procurement throughout transit. Sample requests are welcomed: simply inquire for a quotation and the current asking price. With an efficient logistics process, you can expect on-time delivery and confidence when assessing the suitability of this product for your project.

FAQ's of SAE-4140 Steel Bar:

Q: How can I procure SAE-4140 Steel Bar for my project?

A: You can easily procure SAE-4140 Steel Bar by requesting a quotation through our instant checkout or inquiry form. Customized options and bulk quantities are available to meet specific project requirements.

Q: What are the recommended usages for SAE-4140 Steel Bar?

A: SAE-4140 Steel Bar is perfect for applications in engineering components, heavy-duty shafts, gears, bolts, forgings, and tools, particularly within the automobile, machinery, and construction sectors.

Q: When will my SAE-4140 Steel Bar order be handed over for delivery?

A: Orders are typically handed over for dispatch within the quoted lead time. Delivery schedules may vary based on customization requirements and order size.

Q: Where is SAE-4140 Steel Bar commonly applied in industrial settings?

A: This steel bar is extensively used in plants and fabrication shops for manufacturing shafts, machinery parts, automotive components, construction hardware, and high-stress forging items.

Q: What is the process for requesting a sample or obtaining a price quote?

A: To request a sample or receive a quotation and asking price, simply contact our sales team with your specifications. We provide samples for evaluation and competitive price quotes promptly.

Q: How does SAE-4140 Steel Bar benefit engineering and manufacturing operations?

A: SAE-4140 Steel Bar brings several benefits, including high yield strength, good impact resistance, excellent machinability, and adaptability to various surface finishes and heat treatments, making it ideal for precision engineering and heavy-duty applications.

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