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Normal
Steel
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International code AISI
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Europe code DIN
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Steel brand
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Factory hardness
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Anti-stress strength
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Heat treatment method
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Categories and
applications
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1045 1040 1050
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1.1730
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ASSAB 760 K-100 DAIDO
P1
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13~18HRC
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600N/m㎡
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Water quenching
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King brand, usually for die holder plate, ejecting pin
plate, support head and curb pin
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P20
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1.2738
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ASSAB 718 DAIDO
P88X,P-5 DESHENG 2311 A FINKL P20
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28~32HRC
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915N/m㎡~
1100N/m㎡
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Usually for inner die
inlay parts
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No hardness but common
plastic inner die is needed.
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P20H
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1.02711
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ASSAB 718 HI DESHENG
711 A FINKL P20H
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35~38HRC
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1000N/m㎡~
1200N/m㎡
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No hardness
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common plastic inner
die is needed.
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H-13
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1.2344
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ASSAB 8407 A FINKL H13
DESHENG 2344 ESR
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190 HB
(12HRC)
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650N/m㎡
(hardness to1400N/m㎡)
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Fine inlay piece wind
quench large inlay piece oil quench double tempering
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Do not be used for die,
ejecting, skate board, and ejecting pin, hardness to 48~52HRC
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0-1
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1.2510
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ASSAB DF-2 DESHENG
25100
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180H-220 HB (10~18HRC)
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Oil quench
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For low temperature
working skate gasket, inlay and strip hardness to 54~56HRC
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S-7
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ASSAB S-7 DESHENG 2379
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200HB
(15HRC)
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At least three times
tempering for oil quench
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Usually for shock die,
press board and gasket hardness to 54~56HRC
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420
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1.2083
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STAVAX S-136 A FINKL
420 DESHENG 2083 ESR
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180~200HB
(10~15HRC)
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High temperature
tempering
915~
1200N/m㎡
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Double tempering for
oil and win tempering
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common application:48~52hrc
mirror polishing piece is needed:52~54HRC
injection PVC piece:46~48HRC
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420H
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1.2316
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S-136H DESHENG 2316 ESR
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32~34HRC
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915~1200N/m㎡
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No hardness is needed
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It fits for injection
pvc with good corrosion resistant property.
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P4
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1.2341
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ASSAB 8416
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95~100HB
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Surface carburization
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Cladding steel: for
complex mode steel, duplicate money and button (rarely use at
present)hardness to 62HRC
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D2
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1.2379
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ASSAB XW41
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210~240HB
(15~22HRC)
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tempering for oil quench
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Cooling steel: for die,
pin, inlay, wear proof piece and plastic material diving inlay
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BeCu
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MOLDMAX DESHENG B2
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40~42HRC
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1240N/m㎡
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Age hardening (330℃/3hr)
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Beryllium copper:
Featured by fast heat transmission, it’s useful to go where the water can not
reach.
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A1-Bronze
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Cup copper
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It is harder than
bronze and fits for inner mold cavity inter-lock, which can reduce working
loss.
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Percorso: 