Superior Steel Alternative to

8630 Alloy Steel

Pennsylvania Steel Corporation offers an alternative to SAE 8630 Alloy steel.

FLEXOR® steel is produced to provide similar, if not superior, chemical, mechanical and performance properties to 8630 alloy steel. As a result, FLEXOR® can be used effectively for applications that require mild hardenability, weldability and ease of fabrication. These include oil drilling applications such as connectors, hangers, block valves, hydraulic lines and machine parts. As a proprietary grade, Pennsylvania Steel insures that all FLEXOR® heats meet a high quality vacuum degas electric arc furnace melt process in order to insure cleanliness, grain refinement and maximum reduction ratios.

SAE 8630 Alloy Steel

FLEXOR®'s dependable quality and adaptability in heat treatment allows for a wide range of physical properties that are more appealing than those of typical ASTM, AISI or SAE 8630 alloy steel. FLEXOR® has a higher core hardness than 8630 alloys, resulting in greater support if carburized, as well as less distortion through heat treatment. The more uniform hardness and a fine grain microstructure yield a higher fatigue and tensile strength, resulting in a steel that performs better in high stress applications than 8630 alloys. In addition, FLEXOR® utilizes its Chromium, Molybdenum and Tungsten Carbides to add significant wear resistance to the steel, increasing its life over 8630 alloys with similar Rockwell surface hardness.

FLEXOR® steel is available in a variety of sizes and conditions. These include, but are not limited to, decarb free alloys, hot rolled rounds, peeled steel bars, ground and polished rounds, hot rolled flats, hot rolled plates, turned forged round and billet.

Contact Pennsylvania Steel Corporation today to learn more about FLEXOR® and its advantages over 8630 alloy steel.

AISI 8630 Steel Mechanical Properties

TYPICAL FLEXOR® MECHANICALS (Based upon 1.00" dia.)

Mechanical Properties	30 HRC	40 HRC	45 HRC
UTS(ksi) Per ASTM E8-04	147	183	225
YS 0.2% offset Per ASTM E8-04	134	171	205
V-Notch Charpy Impact Per ASTM E23-06	80	45	21
RA% Per ASTM E8-04	64	60	50
Elongation Per ASTME E8-04	21	18	12
Poisson's Ratio per ASTM E111-04		.282
Young's Modulus per ASTM E111		30900 (ksi)

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