8620
stocked in rounds

GENERAL CHARACTERISTICS

Chemical Analysis
Carbon	.18/.23
Manganese	.70/.90
Phosphorus	.035 max
Sulfur	.040 max.
Silicon	.15/.35
Chromium	.40/.60
Vanadium	~
Nickel	.40/.70
Molybdenum	.15/.25

USES
Gears, pinions, spline shafts, piston pins, oil pump piston rods, cams, oil tool slips, gauges, jigs, plastic molds, and jaws.

FORGING
Heat to 2150° - 2250° F.

NORMALIZING
Heat to 1650° - 1750° F.  Air cool.  Average Brinell 187.

ANNEALING
Heat to 1550° -1600° F.  Furnace cool.  Average Brinell 156.

CARBURIZING
Standard treatment, carburize 1650° - 1700° F for eight hours oil quench.  Temper between 300° - 450° F.

Please note: Technical data is compiled from various sources and is for reference only and not intended for design purposes. Tennessee Die Supply Co., Inc. makes no claim as to the accuracy to the data contained in this web site. Tennessee Die Supply Co., Inc.'s liability will only be the replacement cost of the steel.