Hot Work Tool Steel bar SKD61/X40CrMoV5-1/T20813 – GMTC

SKD61

  • AISI H13, X40CrMoV5-1, T20813, 1.2344

SpecificationJIS G4404

This premium hot work tool steel produced by GMTC has good high-temperature strength, thermal fatigue resistance, and softening resistance at high temperatures. It also has high toughness and fatigue resistance required by industries.

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Introduction

Product properties

˙High toughness

˙High wear resistance

˙High thermal corrosion resistance

˙Good high temperature strength

˙Uniform spheroidizing microstructure

˙Great cleanliness

Industrial Applications

˙Die casting mold

˙Hot forging mold

˙Extrusion mold

˙Plastic mold

˙Stamping mold

Specifications

Chemical composition (wt. %)

Element
C
Si
Mn
P
S
Cr
Mo
V
Min.
0.35
0.80
0.25
-
-
4.80
1.00
0.80
Max.
0.42
1.20
0.50
0.030
0.020
5.50
1.50
1.15

Physical Property

Density (g/cm^3)
7.8

Modulus of elasticity

Temperature (℃)
Gpa
20
215
500
176
600
166

Thermal Expansion Coefficient

Temperature (℃)
10^-6/℃
300
12.2
400
12.5
500
12.9
600
13

Thermal Conductivity

Temperature (℃)
W/m·K
20
25
500
28.3
600
29.3

Mechanical Property

Items
Annealed
Hardness
229 HBW max.
Hardness After Quenching (hardenability)
50 HRC min.

Size Ranges

Products
Diameter (mm)
Length (mm)
Rolled bar
10~95
3,000~5,700
Forged bar
95.2~590
3,000~5,700
Billet
130x130, 140x140, 150x150, 160x160
7,000 max.
Flat bar
80*80 (min.)
Based on the customer needs

Related Application

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