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Pennsylvania Steel

8620 alloy steel alternative vs. 8620 Alloy Steel

Pennsylvania Steel Corporation offers an alternative to SAE 8620 alloy steel.

We produce FLEXOR® steel to be superior in its chemistry, performance, and mechanical properties to 8620 alloy steel. Taking this into account, it is suitable and can be utilized in most of the same applications as 8620 alloy steel: Automotive, Oil and Gas Drilling, Forging, Warm and Cold Forming, Performance Racing, Powdered Metal, Die Casting, Machine Building, Tool Making, Work-holding, Transfer Systems, among many others. Being a proprietary grade, Pennsylvania Steel insures that all FLEXOR® heats meet the high quality vacuum degas electric arc furnace melt process in order to insure cleanliness, grain refinement and maximum reductions.

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 8620 alloy steel. Flexor® will exhibit a higher core hardness which typically means greater support for the case if carburized as well as less distortion through heat treatment and greater ultimate strength for tough applications. FLEXOR® has an added benefit over 8620 alloy steel. FLEXOR® utilizes its Chromium, Molybdenum, and Tungsten Carbides to add significant wear resistance significantly increasing its life over 8620 given 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 bars, hot rolled plates, turned forged rounds and billet.

Contact Pennsylvania Steel Corporation today to learn more about FLEXOR® and its advantages over 8620 alloy steel.

8620 Alloy Steel Chemistry Composition:

  C Mn P S Si Cr Mo W
8620 .18-.43 .70-.90 .035(max) .04(max) .15-.35 .40-.60 .15-.25 -
FLEXOR .32-.36 .60-.80 .025(max) .025(max) .15-.30 .75-1.00 .40-.60 .40-.70

Often the limitations and inconsistencies of common 8620 alloy steel can be frustrating and may jeopardize the success of your project or application.

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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Pennsylvania Steel Corporation
12380 Beech Daly Rd
Redford, MI 48239