Mould Steel Mold Steel
International code AISI | Europe code DIN | Steel brand | Factory hardness | Anti-stress strength | Heat treatment method | Categories and applications |
1045 1040 1050 | 1.1730 | ASSAB 760 K-100 DAIDO P1 | 13~18HRC | 600N/mm2 | Water quenching | King brand, usually for die holder plate, ejecting pin plate, support head and curb pin |
P20 | 1.2738 | ASSAB 718 DAIDO P88X,P-5 DESHENG 2311 A FINKL P20 | 28~32HRC | 915N/mm2~ 1100N/mm2 |
Usually for inner die inlay parts | No hardness but common plastic inner die is needed. |
P20H | 1.02711 | ASSAB 718 HI DESHENG 711 A FINKL P20H | 35~38HRC | 1000N/mm2~ 1200N/mm2 |
No hardness | common plastic inner die is needed. |
H-13 | 1.2344 | ASSAB 8407 A FINKL H13 DESHENG 2344 ESR | 190 HB (12HRC) |
650N/mm2 (hardness to1400N/mm2) |
Fine inlay piece wind quench large inlay piece oil quench double tempering | Do not be used for die, ejecting, skate board, and ejecting pin, hardness to 48~52HRC |
0-1 | 1.2510 | ASSAB DF-2 DESHENG 25100 | 180H-220 HB (10~18HRC) | Oil quench | For low temperature working skate gasket, inlay and strip hardness to 54~56HRC | |
S-7 | ASSAB S-7 DESHENG 2379 | 200HB (15HRC) |
At least three times tempering for oil quench | Usually for shock die, press board and gasket hardness to 54~56HRC | ||
420 | 1.2083 | STAVAX S-136 A FINKL 420 DESHENG 2083 ESR | 180~200HB (10~15HRC) |
High temperature
tempering 915~ 1200N/mm2 |
Double tempering for oil and win tempering | common application:48~52hrc mirror polishing piece is needed:52~54HRC injection PVC piece:46~48HRC |
420H | 1.2316 | S-136H DESHENG 2316 ESR | 32~34HRC | 915~1200N/mm2 | No hardness is needed | It fits for injection pvc with good corrosion resistant property. |
P4 | 1.2341 | ASSAB 8416 | 95~100HB | Surface carburization | Cladding steel: for complex mode steel, duplicate money and button (rarely use at present)hardness to 62HRC | |
D2 | 1.2379 | ASSAB XW41 | 210~240HB (15~22HRC) |
tempering for oil quench | Cooling steel: for die, pin, inlay, wear proof piece and plastic material diving inlay | |
BeCu | MOLDMAX DESHENG B2 | 40~42HRC | 1240N/mm2 | Age hardening (330deg;C/3hr) | Beryllium copper: Featured by fast heat transmission, it’s useful to go where the water can not reach. | |
A1-Bronze | Cup copper | It is harder than bronze and fits for inner mold cavity inter-lock, which can reduce working loss. |