Mold Standard
Normal 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/m㎡ | 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/m㎡~1100N/m㎡ | 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/m㎡~1200N/m㎡ | No hardness | common plastic inner die is needed. |
H-13 | 1.2344 | ASSAB 8407 A FINKL H13 DESHENG 2344 ESR | 190 HB(12HRC) | 650N/m㎡(hardness to1400N/m㎡) | 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/m㎡ | 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/m㎡ | 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/m㎡ | Age hardening (330℃/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. |