A2/T30102 | Cold Work Tool Steel

A2

T30102

SpecificationASTM A681

It can be hardened through air cooling. A2’s wear resistance lies between that of O1 and that of D2 tool steel so that it is suitable for common materials in many applications.

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Introduction
Specifications
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Introduction

Product properties

˙Proper combination of toughness and wear resistance

˙High softening resistance

˙Low deformation and high safety during heat treatment

˙High hardenability

Industrial Applications

˙Stamping tool

˙Mold

˙Industrial devices

Specifications

Chemical composition (wt. %)

Element

Ni+Cu

Min.

0.95

0.10

0.40

4.75

0.90

0.15

Max.

1.05

0.50

1.00

0.030

5.50

1.40

0.50

0.75

Physical Property

Density (g/cm^3)

7.7

Modulus of elasticity

Temperature (℃)

Gpa

190

Thermal Expansion Coefficient

Temperature (℃)

10^-6/℃

400

11.6

500

11.7

Thermal Conductivity

Temperature (℃)

W/m·K

Mechanical Property

Items

Specification Values

Annealing Hardness (HBW)

248 max.

Quenching & Tempering Hardness (HRC)

60 min.

Size Ranges

Products

Diameter (mm)

Length (mm)

Rolled bar

10~95

3,000~5,700

Forged bar

95.2~440

3,000~5,700

Billet

130x130, 140x140, 150x150, 160x160

7,000 max

Heat Treatment Conditions

954℃ Air Cooling +204℃ Air Cooling

Related Application

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Components for molds

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Cold Work Tool Steel bar A2/T30102 – GMTC

A2

Product properties

Industrial Applications

Components for molds

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