SAE 52100 Round Bar and Rod

George Metals, with its main office in Houston, USA, is a leading manufacturer and exporter of SAE 52100 round bars and rods, which provide high-carbon, chromium-alloy steel products for applications that call for high performance. Durable, precise, and of metallurgical quality, George Metals exports SAE 52100 round bars that are suited to the stringent needs of bearing, automotive, and industrial part manufacturers. With state-of-the-art processing facilities and an unwavering focus on quality, George Metals guarantees every product provides uniform mechanical performance and dimensional integrity, making them a reliable partner for customers in the engineering, defense, and transportation industries throughout the country.

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SAE 52100 Round Bars

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SAE 52100 Round Bar Cold Finish

GEorge Metals produce SAE 52100 round bars and rods using high-carbon chromium steel with a common composition of 1.00% carbon and 1.50% chromium. This alloy provides superior hardness, wear, and fatigue properties after heat treating. Its mechanical properties have a tensile strength of a maximum of 850–1000 MPa and a yield strength of about 540 MPa, with high hardness values that go up to 60–67 HRC when hardened. SAE 52100 has superior dimensional stability and toughness as well. These characteristics make it suitable for applications involving long service life and excellent resistance to abrasion and impact.

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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 application mainly in the production of anti-friction bearings, including ball bearings and roller bearings, owing to their excellent hardness and resistance to wear. They are also applied in precision pieces such as shafts, spindles, gears, and high-stress automotive components, where dimensional stability and fatigue life are essential. In machinery manufacturing and tools, 52100 is preferred due to its high-load-bearing capacity and repetitive motion. Its advanced mechanical properties render it suitable for mission-critical uses in aerospace, automotive, and heavy mechanical systems.

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