GD2000

SpecificationGMTC SPEC.

This steel grade is a new cold work steel improved by GMTC to overcome the shortcomings of insufficient tempering hardness and toughness of traditional cold work tool steels.

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Introduction
Specifications
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Introduction

Product properties

˙High surface hardness

˙High toughness

˙High wear resistance

˙Uniform distribution of carbide

˙Good dimensional stability after heat treatment

˙Great hot cutting ability

Industrial Applications

˙Precision mold

˙Cutting Tool

Specifications

Chemical composition (wt. %)

Element

Min.

0.90

0.88

0.3

7.00

1.80

0.25

Max.

1.10

1.15

0.5

0.030

9.00

2.20

0.30

0.25

Physical Property

Density (g/cm^3)

7.68

Modulus of elasticity

Temperature (℃)

Gpa

211

Thermal Expansion Coefficient

Temperature (℃)

10^-6/℃

400

12.1

500

12.4

Thermal Conductivity

Temperature (℃)

W/m·K

Mechanical Property

Items

Specification Values

Annealing Hardness (HBW)

230 max.

Quenching & Tempering Hardness (HRC)

61 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

1030℃ Oil Cooling +520~540℃ Air Cooling *Twice

Related Application

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Components for molds

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Cold Work Tool Steel bar GD2000 – GMTC

GD2000

Product properties

Industrial Applications

Components for molds

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