Cold Work Tool Steel bar A2/T30102 – GMTC

A2

  • T30102

SpecificationASTM A681

It can be hardened through air cooling. A2’s wear resistance lies between that of O1 and that of D2 tool steel so that it is suitable for common materials in many applications.

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Introduction

Product properties

˙Proper combination of toughness and wear resistance

˙High softening resistance

˙Low deformation and high safety during heat treatment

˙High hardenability

Industrial Applications

˙Stamping tool

˙Mold

˙Industrial devices


Specifications

Chemical composition (wt. %)

Element
C
Si
Mn
P
S
Cr
Mo
V
Ni+Cu
Min.
0.95
0.10
0.40
-
-
4.75
0.90
0.15
-
Max.
1.05
0.50
1.00
0.030
0.030
5.50
1.40
0.50
0.75

Physical Property

Density (g/cm^3)
7.7

Modulus of elasticity

Temperature (℃)
Gpa
20
190

Thermal Expansion Coefficient

Temperature (℃)
10^-6/℃
400
11.6
500
11.7

Thermal Conductivity

Temperature (℃)
W/m·K
20
26

Mechanical Property

Items
Specification Values
Annealing Hardness (HBW)
248 max.
Quenching & Tempering Hardness (HRC)
60 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

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

Related Application

Click any of application links below to view their detailed introduction

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