|
tandard Number
|
Steel Grade |
C
|
Si
|
Mn
|
Cr
|
Mo
|
V
|
Co
|
P
|
S
|
Ni
|
Cu
|
Other
|
|
≤
|
|||||||||||||
|
GB/T 1299
|
Cr12Mo1V1
|
1.40-1.60
|
≤0.60
|
≤0.60
|
11.00-13.00
|
0.70-1.20
|
0.50-1.10
|
≤1.00
|
0.030
|
0.030
|
0.25
|
0.30
|
--
|
|
CNS 2964
|
SKD11
|
1.40-1.60
|
≤0.40
|
≤0.60
|
11.00-13.00
|
080-1.20
|
0.20-0.50
|
--
|
0.030
|
0.030
|
<0.50
|
0.25
|
--
|
|
ISO 4957
|
X153CrMoV12
|
1.45-1.60
|
0.10-0.60
|
0.20-0.60
|
11.00-13.00
|
0.70-1.00
|
0.70-1.00
|
--
|
0.030
|
0.030
|
--
|
--
|
--
|
|
ΓOCT 5950
|
X12ΜΦ
|
1.45-1.60
|
0.10-0.40
|
0.15-0.45
|
11.00-12.50
|
0.40-0.60
|
0.15-0.30
|
--
|
0.030
|
0.030
|
0.35
|
0.30
|
Ti 0.03
W 0.20
|
|
JIS G4404
|
SKD10
|
1.45-1.60
|
0.10-0.60
|
0.20-0.60
|
11.00-13.00
|
0.70-1.00
|
0.70-1.00
|
--
|
0.030
|
0.030
|
0.25
|
0.25
|
--
|
|
KS D3753
|
STD11
|
1.40-1.60
|
≤0.40
|
≤0.60
|
11.00-13.00
|
0.80-1.20
|
0.20-0.50
|
--
|
0.030
|
0.030
|
<0.50
|
0.25
|
--
|
|
DIN 17350
W-Nr
|
1.2379
|
1.50-1.60
|
0.10-0.40
|
0.15-0.45
|
11.00-12.00
|
0.60-0.80
|
0.90-1.10
|
--
|
0.030
|
0.030
|
--
|
--
|
--
|
|
ASTM/A681UNS
|
D2
|
1.40-1.60
|
0.10-0.60
|
0.20-0.60
|
11.00-13.00
|
0.70-1.20
|
0.50-1.10
|
--
|
0.030
|
0.030
|
0.75
|
||
Chemical composition:
| C | Si | Mn | Cr | Mo | V | P | S | Co |
| 1.40~1.60 | ≤0.60 | ≤0.60 | 11.00~13.00 | 0.70~1.20 | ≤1.10 | ≤0.030 | ≤0.030 | ≤1.00 |
The main properties:
1. The hardness after 1.2379 tool steel annealing Less than or equal 255 HBS.
2. 1.2379 tool steel has a higher strength and toughness, wear resistance than Cr12MoV tool steel.
3. 1.2379 tool steel is a high carbon and high chromium cold work die steel.
Application:
1. 1.2379 tool steel is used in wear stamping die.
2. 1.2379 tool steel is used in deep die of cold extrusion die.
3. 1.2379 tool steel is used for making high precision,Cold squeezing mold.
4. The other use of mold.
The quenching specification :
| Programs | The heating temperature ( ° C ) | Cooling | Hardness(HRC) | ||
| The first warm-up | The second warm up | The final heating | |||
| Program 1 | 500~600 | 820~860 | 980~1040 | Oil cooling or Air-cooled | 60~65 |
| Program 2 | 500~600 | 820~860 | 1060~1100 | Oil cooling or Air-cooled | 60~65 |
The tempering specification :
| Programs | Tempering temperature ( ° C ) | Tempering the number | Hardness(HRC) |
| Program 1 | 180~230 | 1 | 60~64 |
| Program 2 | 510~540 | 2 | 60~64 |
Delivery period:
30-45days
Product appearance :
Black surface/polished/turned
Application:1.2379 Tool Steel
1.Excellent toughness and suitable for bath nitriding.
2.Cold extrusion tools,trimming,cutting and stamping tools for steet thickness upto 6mm,precision cutting tools for sheet thickness up to 12.2mm,
3.Blaniking and punching tools,wood working tools,shear blades for cutting light gauge material,thread rolling dies,drawing,deep drawing,pressure pads and highly wear-resistant plastic moulds.