Cold Work Tool Steel bar A6/1.2842 – GMTC

A6

  • 1.2363, T30106

SpecificationASTM A681

Like A2, it can be hardened through air cooling and has the advantages of the smallest deformation and higher hardenability.

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Introduction

Product properties

˙Combine the toughness, strength, and wear resistance

˙Good dimensional stability during heat treatment

˙High hardenability

Industrial Applications

˙Mold devices

˙Industrial devices

Specifications

Chemical composition (wt. %)

Element
C
Si
Mn
P
S
Cr
Mo
Ni+Cu
Min.
0.65
0.10
1.80
-
-
0.90
0.90
-
Max.
0.75
0.70
2.50
0.030
0.030
1.40
1.40
0.75

Physical Property

Density (g/cm^3)
7.85

Modulus of elasticity

Temperature (℃)
Gpa
20
200

Thermal Expansion Coefficient

Temperature (℃)
10^-6/℃
400
13.5
500
13.9

Thermal Conductivity

Temperature (℃)
W/m·K
20
26

Mechanical Property

Items
Specification Values
Annealing Hardness
248 HBW max.
Quenching & Tempering Hardness
58 HRC min.

Size Ranges

Products
Diameter (mm)
Length (mm)
Rolled bar
10~95
3000~5700
Forged bar
95.2~440
3000~5700
Billet
130x130, 140x140, 150x150, 160x160
7,000 max

Heat Treatment Conditions

Heat Treatment Conditions
843℃ Air Cooling +204℃ Air Cooling

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