Cold Work Tool Steel bar D2/1.2379/SKD11 – GMTC

D2

  • 1.2379, X153CrMoV12, T30402, SKD11

SpecificationASTM A681

It is characterized by high wear resistance, superior ductility, extremely low deformation, and hardening crack tendency. It has very high hardenability and significant dimensional stability during the quenching process.

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Introduction

Product properties

˙Wear resistance

˙Impact resistance

˙Fine grain size

˙Uniform distribution of carbide

˙High toughness

˙Extremely low gas content

˙Good cleanliness


Industrial Applications

˙Punch

˙Cold-rolling intermediate roll

˙Mold

˙Rolling tool

˙Forming tool

˙Machining tool


Specifications

Chemical composition (wt. %)

Element
C
Si
Mn
P
S
Cr
Mo
V
Ni+Cu
Min.
1.40
0.10
0.10
-
-
11.00
0.70
0.50
-
Max.
1.60
0.60
0.60
0.030
0.030
13.00
1.20
1.10
0.75

Physical Property

Density (g/cm^3)
7.7

Modulus of elasticity

Temperature (℃)
Gpa
20
210

Thermal Expansion Coefficient

Temperature (℃)
10^-6/℃
500
14.1
400
13.8

Thermal Conductivity

Temperature (℃)
W/m·K
20
20

Mechanical Property

Items
Specification Values
Annealing Hardness (HBW)
255 max.
Quenching & Tempering Hardness (HRC)
59 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
10,000 max
Flat bar
80*80 (min.)
Based on the customer needs

Heat Treatment Conditions

Heat Treatment Conditions
1010℃Air Cooling+200℃ Tempering

Related Application

Click any of application links below to view their detailed introduction

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