SAE 52100 Round Bar and Rod

Luois Metals, based in Houston, USA, has built a solid reputation as a reliable manufacturer and supplier of top-notch SAE 52100 Round Bars and Rods. These products are celebrated for their remarkable hardness, wear resistance, and fatigue strength. SAE 52100 is a high-carbon, chromium-rich alloy steel that shines in precision components that need to perform under rotational or cyclic stress. Luois Metals provides SAE 52100 bars and rods in various sizes and conditions, including annealed, normalized, and hardened & tempered, all adhering to standards like ASTM A295. These bars are perfect for demanding applications in bearings, automotive parts, tools, and industrial machinery.

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SAE 52100 Round Bars

SAE 52100 Hex Bars

SAE 52100 Round Bar Cold Finish

SAE 52100 Round Bars and Rods are mainly made up of around 1.00% carbon and 1.30–1.60% chromium, along with trace amounts of manganese, silicon, phosphorus, and sulfur. This unique blend gives the alloy outstanding hardenability, wear resistance, and fatigue strength. When heat-treated, SAE 52100 can reach tensile strengths exceeding 850 MPa, yield strengths above 700 MPa, and Rockwell hardness values up to HRC 60. It also boasts excellent dimensional stability and good machinability in its annealed state, making it a great choice for precision-ground and bearing-grade components that need to perform reliably in high-stress environments.

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SAE 52100 Round Bars and Rods Specifications

Specification : ASTM A29, ASME SA29

Grade: 52100

Specification : Alloy Steel 52100 Bar

Round bar size : Diameter: 3-~800mm

Surface : Bright, Hot Rolled Pickled, Cold Drawn, Sand Blasting Finished, Polished, Hairline

Technique : AISI/SAE 52100 alloy steel Hot Rolled, Cold Drawn, Cold Rolled, Forged Round Bar, Rod

Condition : Hardened & tempered, annealed

Finish : Cold (bright) drawn, centreless ground, hot rolled, smooth turned, peeled, slit rolled edge, hot rolled annealed, Rough Turned, Bright, Polish, Grinding, Centreless Ground & Black

Form : Round, Rod, T-Bar, Channel Bar, Precision Ground Bar, Flat Bar, Square, Blocks, Round Rod, Rings, Hollow, Triangle, Rectangle, Hex (A/F), Threaded, Half Round Bar, Profiles, Billet, Ingot, I/H Bar, Forging etc.

Chemical Compositions of SAE 52100 Round Bars and Rods

Grade	S	P	Mn	Si	C	Ni	Mo	Cr
SAE – 52100	.025	.025	.25 – .40	.20 – .35	.95 1.10	–	–	1.30 – 1.60

SAE 52100 Round Bars and Rods Mechanical Properties

ty	Value	Unit
Tensile strength	650 – 880	MPa
Young’s modulus	200000 – 200000	MPa
Fatigue	275 – 275	MPa
Elongation	8 – 25	%
Yield strength	350 – 550	MPa

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Equivalent Table of SAE 52100 Round Bars and Rods

STANDARD	UNS	DIN
52100 round bar	G52986	1.3505

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SAE 52100 Round Bars and Rods Types

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SAE 52100 Round Bars and Rods Uses

SAE 52100 Round Bars and Rods find extensive use in the manufacturing of bearings, including ball bearings, roller bearings, and raceways, thanks to their impressive hardness and resistance to rolling fatigue. They’re also utilized in automotive applications like gears, shafts, and spindles, as well as in tooling, machine components, and aircraft parts where durability and precision are crucial. This steel performs consistently well in high-load, high-speed, and high-friction scenarios. SAE 52100 is especially popular for cold working tools, gauges, and punches, providing a long service life even in abrasive or high-contact conditions.

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