H12/SKD62/X35CrWMoV5 | Hot Work Tool Steel

H12

X35CrWMoV5, T20812, SKD62

SpecificationASTM A681、JIS G4404、ISO 4957

One of the premium hot work tool steels produced by GMTC. With the addition of tungsten, it has better wear resistance while maintaining original strength and toughness at high temperatures.

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Introduction
Specifications

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Introduction

Product properties

˙High wear resistance

˙Good high temperature strength

˙Uniform spheroidizing microstructure

˙Great cleanliness

Industrial Applications

˙Hot shearing blade

˙Die casting mold

˙Hot forging mold

˙Extrusion mold

˙Stamping mold

˙Cold rolling

Specifications

Chemical composition (wt. %)

Element

Ni+Cu

Min.

0.3

0.8

0.2

4.75

1.25

0.2

Max.

0.4

1.25

0.6

0.03

5.5

1.75

0.5

1.7

0.75

Physical Property

Density (g/cm^3)

7.81

Modulus of elasticity

Temperature (℃)

Gpa

500

176

600

166

Thermal Expansion Coefficient

Temperature (℃)

10^-6/℃

500

12.9

600

Thermal Conductivity

Temperature (℃)

W/m·K

500

28.3

600

29.3

Mechanical Property

Items

Annealed

Property Annealing State Hardness (HBW)

235 max.

Hardness After Quenching (hardenability) (HRC)

53 min.

Size Ranges

Products

Diameter (mm)

Length (mm)

Rolled bar

10~95

3,000~5,700

Forged bar

95.2~332

3,000~5,700

Billet

130x130, 140x140, 150x150, 160x160

7,000 max

Flat bar

80x80 (min.)

Based on the customer needs

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Hot Work Tool Steel H12/SKD62/X35CrWMoV5 bar – GMTC

H12

Product properties

Industrial Applications

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