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Alloy Tool Steel

 
DIN
ASTM
JIS
GB
Factory hardness
Feature
The main purpose

Hot work die steel

1.2344
H13
SKD61
4Cr5MoSiV1
Annealed ≤ HB255 or prehardened HRC40-46 HRC50-55
Universal hot work die steel
For the production of die-casting, extrusion and injection molds, thimble, etc.
1.2344+S
H13+S
FDAC
4Cr5MoSiVS
Annealed ≤ HB255 or prehardened HRC36-40 HRC38-42
Universal hot work die steel with good machinability
For the production of die-casting, extrusion and injection molds, thimble, Secretary extinguishers etc

Cold work die steel

1.2379
D2
SKD11
Cr12Mo1V1
Annealed ≤ HB255
High wear resistance, high toughness, heat deformation
Dies can be manufactured and red top
1.2842
O2
-----
9Mn2V
退火态≤HB255
The steel quenching deformation is small, easy forging, annealing, good cutting performance
Can be used to produce the punch and die; various small deformation, wear high-precision model, block gauge, measuring tools.
1.2363
A2
SKD12
------
Annealed≤HB255
Good corrosion resistance, ductility strong; good impact properties and wear resistance.
Punching die, cold forming die, punch, die, etc.
1.2510
O1
SKS3
9CrWMn
Annealed≤HB241
Has some hardenability and wear resistance, toughness
Used for manufacture of small deformation, long and complex shape of the cutting tool, such as: taps, milling cutters, Gaugeetc.
1.2516
-----
------
WV
Annealed≤HB60  Or pre-hard stateHRC62-66
With high toughness, impact resistance, good machinability
Punch, thimble, a variety of molding tools, etc.
1.2210
-----
-------
T12CrV
Annealed ≤ HB255 or prehardened HRC58-64
With high toughness, impact resistance, machinability good;
Precision punch, thimble, a variety of molding tools, etc.
-----
----
DC53
----
Annealed HB220-HB260
Quenching and tempering of high hardness and toughness than SKD11 prevent tools, dies of cracking and chipping shortage, improve die life
Cold forging, extrusion, cold stamping, cold and cold, such as mold, high life, high hardness, high toughness punch die
----
----
DC58
----
Annealed ≤ HB255
And D2, W6Mo5Cr4V2 steel, compared with a higher strength and toughness, better wear resistance, compressive strength, flexural strength, excellent abrasion geometric DC53
Cold forging, extrusion, cold stamping, cold and cold, such as mold, high life; high toughness high hardness punch die; more suitable screw punch die

Plastic mold steel

1.2083
420
SUS420J2
2Cr13
Annealed HB215-HB240
A good polishing performance
Can be used for corrosion resistance, strength of the mold, etc.
1.2311
P20
----
-----
Prehardened HRC30-35
Has good machining performance, polished performance and toughness
The most commonly used one pre-hardened plastic mold steel
1.2312
P20+S
----
-----
Prehardened HRC30-35
Cutting stronger than 1.2311
 
1.2738
P20+Ni
----
-----
 
High hardenability, polishing
Suitable for the manufacture of complex, precision plastic mold
1.2316
----
----
----
Prehardened HRC30-35HRC28-32
Good corrosion resistance and polishing
Resistance to high acidity can be applied to the mold