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M3 Type 2



AISI M3 Type 2 (PM)

M3T2 PM represents a higher carbon-vanadium modification of the popular AISI M3 high- speed steel. The higher carbon and vanadium provides greater resistance to abrasion while maintaining an optimum combination of cutting ability, edge strength, red hardness, and >long service life. M3T2 PM is produced by the powder metallurgy process which provides excellent structural uniformity exhibiting finer carbide particle size while eliminating carbide segregation. In addition, finer and more evenly distributed sulfides provide improved machinability as annealed and excellent grindability as hardened. These unique properties make this ideal material for applications requiring both red hardness and wear resistance.

TYPICALAPPLICATIONS

Broaches, Drills, End Mills, Form Tools, Gear Cutters, Hobs, Lathe Tools, Milling Cutters, Punches, and Slitting Saws.

WEARRESISTANCE

Highest

TOUGHNESS

Low

RESISTANCE TO SOFTENING EFFECT OF
ELEVATED TEMPERATURE

Very High

DEPTH OF HARDENING

Deep

MACHINABILITY

Medium

GRINDABILITY

High

DISTORTION IN HEAT TREATING

Low

SAFETY INHARDENING

Medium

RESISTANCE TO DECARBURIZATION

Medium



TYPICAL ANALYSIS

Carbon (C)

1.20

Manganese(Mn)

.30

Silicon(Si)

.40

Tungsten(W)

6.00

Molybdenum(Mo)

6.00

M3 TYPE 2 PM (UNS T11323)

Chromium (Cr)

4.25

Vanadium (V)

2.95

Sulphur (S)

.07

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