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Far too often applications require more than a surface hardness. For over 30 years Pennsylvania Steel has been providing prehardened FLEXOR® blanks requiring a variety of mechanical properties. Pennsylvania Steel can provide a rough machined and heat treated certified blank guaranteed to reach maximum mechanical properties for each specific part. The letter designation following FLEXOR® is our way of coding for a prescribed target of mechanical properties without settling for just a surface hardness. For post-machining hardening just ask for FLEXOR®.

FLEXOR®
	HRC	28-32
	Brinnell Hardness	275-305
	Tensile Strength (ksi)	147
	Yield Strength (ksi)	134
	Charpy Impact V-Notch (ft/lbf)	80

FLEXOR 'M'®
	HRC	38-42
	Brinnell Hardness	352-390
	Tensile Strength (ksi)	183
	Yield Strength (ksi)	171
	Charpy Impact V-Notch (ft/lbf)	45

FLEXOR 'OW'®
	HRC	42-46
	Brinnell Hardness	390-430
	Tensile Strength (ksi)	220
	Yield Strength (ksi)	201
	Charpy Impact V-Notch (ft/lbf)	23

FLEXOR 'MX'®
	HRC	46-49
	Brinnell Hardness	429-477
	Tensile Strength (ksi)	245
	Yield Strength (ksi)	213
	Charpy Impact V-Notch (ft/lbf)	12

FLEXOR Annealed®
	HRC	8 - 20
	Brinnell Hardness	N/A
	Tensile Strength (ksi)	N/A
	Yield Strength (ksi)	N/A
	Charpy Impact V-Notch (ft/lbf)	N/A

It is often necessary to provide a decarb free surface or rough silhouette prior to hardening to facilitate maximimum properties. Allow our experts to assist in providing the optimal prehardened blank to meet your needs.

Note: Mechanical properties are representative of samples while actual results may vary depending upon section size, heat treatment, stock size, reduction, etc.

Special hardness range available upon request.