Product Name:
Cr12W/ D6/1.2436/round bar/flat bar/cold work tool steel/die steel/mould steel
Chemical Composition(%)
Standard
|
Steel Grade
|
C
|
Si
|
Mn
|
P
|
S
|
Cr
|
Mo
|
V
|
W
|
DIN
|
1.2436
|
2.00-2.25
|
0.10-0.40
|
0.15-0.45
|
0.030
|
0.030
|
11.0-12.0
|
-
|
-
|
0.60-0.80
|
ASTM
|
D6
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
GB
|
Cr12W
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
Specification
Round bar
|
Diameter
|
Length
|
-
|
Forged round bar: φ50~450
|
2000~6000
|
-
|
|
Rolled round bar: φ10~80
|
2000~6000
|
-
|
|
Flat bar
|
Thickness(mm)
|
Width(mm)
|
Length(mm)
|
Forged plate: 20~300
|
50~710
|
2000~6000
|
|
Rolled plate: 10~65
|
155~610
|
2000~6000
|
Characteristics and application:
A kind of cold work tool steel, belonging to Ledeburitic steel of high carbon, high chromium and high abrasion resistance;
With quite good hardenability, obdurability, abrasion resistance and small quenching distortion;
Used for making cold wok tool steel of large cross section, complex shape, heavy shock loads and high abrasion resistance, such as: silicon steel dies, silk thread rolling dies, wire drawing dies and etc.
Heat treatment regime
Quenching 960~980℃, oil cooling; Tempering 180℃±10℃.
Delivery condition and hardness
Annealing, hardness is bellow 255HBS.