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W2  H13



AISI W2

W2 is a water-hardening tool steel that produces a finer grain size, greater uniformity, and higher toughness than other types of water-hardening tool steels. Its popularity is attributed to ready availability, low cost, excellent machinabiiity, suitability for short run tooling and perhaps of most importantly, its shallow hardenability or depth of hardening.

WEARRESISTANCE

LowtoMedium

TOUGHNESS

High(1)

RESISTANCETOSOFTENINGEFFECT OF
ELEVATEDTEMPERATURE

Low

DEPTHOFHARDENING

Shallow

MACHINABILITY

Highest

GRINDABILITY

Highest

DISTORTIONINHEAT TREATING

High

SAFETY INHARDENING

LowtoMedium

RESISTANCETODECARBURIZATION

Highest



TYPICAL ANALYSIS

Carbon (C)

.85/1.50

Manganese(Mn)

.10/.40

Silicon(Si)

.10/.40

Tungsten(W)

.15 max

Molybdenum(Mo)

.10 max

TYPE O2 (UNS T31502)

Chromium (Cr)

.15 max

Vanadium (V)

.15/.35

Colbalt (Co)

Nickel (Ni)

.20 max

AISI H13

H13 is a 5% chromium hot work tool steel designed for applications that require extreme toughness combined with good red-hardness. H13 will allow an extra margin of safety in tools subject to heavy hammer blows, and those containing deep recesses or sharp corners. Although H13 was designed as a hot work steel, it has solved many cold work applications where extra toughness could be gained with some sacrifice of wear resistance.

TYPICALAPPUCATIONS

Aluminum Extrusion Dies, Die Casting Dies, Heavy Duty Compression Tools, Forming Punches, Hot Forging Dies, Shear Blades, Plastic Mold Dies, and Bolt Dies.

WEARRESISTANCE

Medium

TOUGHNESS

VeryHigh

RESISTANCETOSOFTENINGEFFECT OF
ELEVATEDTEMPERATURE

High

DEPTHOFHARDENING

Deep

MACHINABILITY

MediumtoHigh

GRINDABILITY

MediumtoHigh

DISTORTIONINHEAT TREATING

VeryLow

SAFETY INHARDENING

Highest

RESISTANCETODECARBURIZATION

MediumtoHigh



TYPICAL ANALYSIS

Carbon (C)

.32/.45

Manganese(Mn)

.20/.50

Silicon(Si)

.80/1.20

Tungsten(W)

Molybdenum(Mo)

1.10/1.75

TYPE O2 (UNS T31502)

Chromium (Cr)

4.75/5.50

Vanadium (V)

.80/1.20

Colbalt (Co)

Nickel (Ni)

.30 max

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