A9/T30109 | Cold Work Tool Steel

A9

SpecificationASTM A681

After heat treatment, A9 tool steel has high dimensional stability, wear resistance, good fatigue life, high toughness, and high hardenability.

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Introduction
Specifications

Inquiry

Introduction

Product properties

˙ Good cutting ability

˙ High hardenability

˙ High strength

˙ High toughness

Industrial Applications

˙ Stamping mold

˙ Punch

˙ Forming roll

Specifications

Chemical composition (wt. %)

Element

Min.

0.45

0.95

0.20

4.75

1.30

0.80

1.25

Max.

0.55

1.15

0.50

0.030

5.50

1.80

1.40

1.75

Physical Property

Density (g/cm^3)

7.77

Modulus of elasticity

Temperature (℃)

Gpa

190

Thermal Expansion Coefficient

Temperature (℃)

10^-6/℃

20~425

Thermal Conductivity

Temperature (℃)

W/m·K

Mechanical Property

Items

Specification Values

Annealing Hardness

248 HBW max.

Quenching & Tempering Hardness

56 HRC 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

1010℃ Air Cooling +510℃ Air Cooling

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Cold Work Tool Steel bar A9/T30109 – GMTC

A9

Product properties

Industrial Applications

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