BAR STOCK

ALLOY
AISI 4150

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AISI 4150 Tool Steel

HOT ROLL FINISH

HOT ROLL T & B WITH SAW-CUT EDGES

DESCRIPTION

A special analysis of alloy steel which is heat treated by oil-quenching and tempering to develop a balance of mechanical properties. Has every requisite for brake die service-high wear-resistance, adequate toughness, high resistance to impact, and good machinability. In addition, the bars are stress-relieved before the final gag straightening, to insure a minimum of residual stresses.

TYPICAL ANNALYSIS
CARBON ..0.51 MANGANES .0.87

CHROMIUM 0.95 MOLYBDENUM 0.20

ADVANTAGES

Heat treated, ready to use, needs no further hardening
Heat treated to the right hardness for maximum wear and toughness
Machines easily without warping-due to strain-relief treatment
Machines to a smooth surface without grinding
Hardened to between 248-293 Brinell the correct hardness for most uses
High carbon content insures greater resistance to wear
Small areas can be flame hardened for better wear.

DISTORTIONAL PROPERTIES

As free from residual stresses as possible due to the method of heat treating. Machining an equal amount evenly from each side of the brake die will result in minimum deformation and warping.

COMPRESSIVE STRENGTH

To obtain values for this property, specimens were taken from large and small sections, machined oversize, heat treated and finished by grinding to 0.505 in. diameter x 0.750 in. long. The specimens were checked for hardness and were then compressed between hardened steel plates. the specimens tested showed a hardness of 269 Brinell and indicated that both small and large sections developed compressive strength in excess of 100,000 psi, adequate compressive strength to meet the maximum demand of heavy duty brake-die service.

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Featured Services
Plate Burning
and Plasma
Plate Sawing
Up to 16'
Blanchard
Up to 120"
Fabrication
Contract Cutting
Heat Treating
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