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| CHEMICAL COMPOSITIONS(%) | ||||||||||
| C | Si | Mn | P | S | Cr | Mo | W | V | Ni | Other |
| 1.40-1.60 | ≤0.60 | ≤0.60 | ≤0.030 | ≤0.030 | 11.00-13.00 | 0.70-1.20 | - | 0.50-1.10 | - | 0.50-1.10 |
| Steel Grade | AISI D2/DIN 1.2379/JIS SKD10/EN X153CrMoV12/GB Cr12Mo1V1 |
| Size & Dimension | Dia Max: 800mm |
| Surface treatment | Black/Peeling/Polishing/Machined |
| HBW | ≤255 |
| Technique | Cold/Hot rolled, Cold-Drawn or Hot Forged |
| Heat Treatment | Annealed; Quenched; Tempered |
| Shape | Round bar/Plate |
| Delivery Condition | Hot Rolled or Forged/Peeled or Black Surface/Annealed or QT |
| Test | SGS/UT100%/Elements Testing |
| Certificate | ISO/Mill Certificate |
| Steel Type | Round bars/Flat bar/Plate |
AISI D2/DIN 1.2379 Introduction:
D2 steel is an air hardening, high-carbon, high-chromium tool steel. It has high wear and abrasion resistant properties. It is heat treatable and is machinable in the annealed condition. D2 steel shows little distortion on correct hardening. D2 steel’s high chromium content gives it mild corrosion resisting properties in the hardened condition.
Heat Treatment
D2 steels should be preheated very slowly to 815ºC (1500ºF) and then temperature can be increased to 1010ºC (1850ºF). They are then held at 1010ºC (1850ºF) for 20 to 45 minutes and air cooled (air quenched).
Forging
Forging of D2 steels can be done from 1065ºC (1950ºF) down to 954ºC (1750ºF). Do not forge below 926ºC (1700ºF).
Annealing
Annealing of D2 steels should be done at 871 to 898ºC (1600 to 1650ºF) followed by slow furnace cooling at 4.4ºC (40ºF) per hour or less.
Tempering
D2 steels can be tempered at 204ºC (400ºF) for achieving Rockwell C hardness of 61 and at 537ºC (1000ºF) for a Rockwell C hardness of 54.
Applications
D2 tool steels are used for long run tooling applications, where wear resistance is important, such as blanking or forming dies and thread rolling dies.
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The shipment is 7-10 days If your needs are in stock in our warehouse. If our warehouse is not ready for your needs, we need 30-40 days to work on it. In our factory, the quality is the first pick, we sincerely hope you could understand.




GB | AISI/ASTM | DIN | JIS | EN |
| Cr12 | D3 | 1.2080 | SKD1 | X210Cr12 |
| Cr12MoV | D3 | 1.2601 | SKD11 | X165CrMoV12 |
| Cr12Mo1V1 | D2 | 1.2379 | SKD10 | X153CrMoV12 |
| 9CrWMn | O1 | 1.2510 | SKS3 | |
| 4Cr5MoSiV1 | H13 | 1.2344 | SKD61 | |
| 4Cr5MosSiV | H11 | 1.2343 | SKD6 | |
| 3Cr2Mo | P20 | 1.2311 | SCM4 | |
| 3Cr2MnS | P20+S | 1.2312 | ||
| 3Cr2NiMo | P20+Ni | 1.2738 | ||
| 4Cr13 | 420 | 1.2083 | SUS420J2 | |
| 4Cr16 | 420 | 1.2316 | SUS420 | |
| 2Cr13 | 420 | 1.4021 | SUS420J1 | |
| CW6Mo5Cr4V2 | M2 | 1.3342 | ||
| W6Mo5Cr4V2 | M2 | 1.3343 | SKH51 | |
| 40Cr | 5140 | 1.7035 | SCr440 | |
| 42CrMo | 4140 | 1.7225 | SCM440 | |
| 40CrNiMoA | 4340 | 1.6511 | SCM439 | |
| 40CrNiMoA | 4340 | 1.6582 | ||
| 20CrNiMo | 8620 | 1.6523 | ||
| 20CrMn | 5120 | 1.7147 | ||
| GCr15 | 1.3505 | |||
| 50CrV | 6150 | 1.8159 | ||
| 45 | 1045 | 1.1191 | S45C |

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