Cr12Mo1V1
Made tool steel: Cr12Mo1V1
Standard: GB / T 1299-1985
● Features and application:
Cold work die steel, the D2 is the introduction of United States Steel. Composition, performance and Cr12MoV steel similar to the same purpose, can be used instead.
● Chemical Composition:
Carbon C: 1.40 ~ 1.60
Si Si: ≤ 0.60
Manganese Mn: ≤ 0.60
Sulfur S: ≤ 0.030
Phosphorus P: ≤ 0.030
Chromium Cr: 11.50 ~ 13.00
Ni: to allow the residual content of ≤ 0.25
Copper Cu: to allow the residual content of ≤ 0.30
Vanadium V: ≤ 1.00
Mo Mo: 0.70 ~ 1.20
● Mechanical Properties:
Hardness: Annealed, ≤ 255HB, indentation diameter ≥ 3.8mm; quenching, ≥ 59HRC
● Heat treatment and microstructure specifications:
Standard heat treatment: quenching, 820 ± 15 ℃ warm-up, 1000 ± 6 ℃ (salt) or 1010 ± 6 ℃ (controlled atmosphere furnace) heating, insulation 10 ~ 20min, air-cooled, 200 ± 6 ℃ tempering.
● Delivery status: the status of delivery of steel to annealing.
Cr12Mo1V1 physical properties
Cr12Mo1V1 physical properties of steel as shown in Table 2-2-1 and Table 2-2-2 shows the elastic modulus of 207000MPa, quality and constant pressure heat capacity Cp is 461J / (kg · K). Table 2-2-1Cr12Mo1V1 critical temperature of steel
Table 2-2-2 Cr12Mo1V1 steel wire (swelling) expansion coefficient
Standard: GB / T 1299-1985
● Features and application:
Cold work die steel, the D2 is the introduction of United States Steel. Composition, performance and Cr12MoV steel similar to the same purpose, can be used instead.
● Chemical Composition:
Carbon C: 1.40 ~ 1.60
Si Si: ≤ 0.60
Manganese Mn: ≤ 0.60
Sulfur S: ≤ 0.030
Phosphorus P: ≤ 0.030
Chromium Cr: 11.50 ~ 13.00
Ni: to allow the residual content of ≤ 0.25
Copper Cu: to allow the residual content of ≤ 0.30
Vanadium V: ≤ 1.00
Mo Mo: 0.70 ~ 1.20
● Mechanical Properties:
Hardness: Annealed, ≤ 255HB, indentation diameter ≥ 3.8mm; quenching, ≥ 59HRC
● Heat treatment and microstructure specifications:
Standard heat treatment: quenching, 820 ± 15 ℃ warm-up, 1000 ± 6 ℃ (salt) or 1010 ± 6 ℃ (controlled atmosphere furnace) heating, insulation 10 ~ 20min, air-cooled, 200 ± 6 ℃ tempering.
● Delivery status: the status of delivery of steel to annealing.
Cr12Mo1V1 physical properties
Cr12Mo1V1 physical properties of steel as shown in Table 2-2-1 and Table 2-2-2 shows the elastic modulus of 207000MPa, quality and constant pressure heat capacity Cp is 461J / (kg · K). Table 2-2-1Cr12Mo1V1 critical temperature of steel
| Critical point | Ac1 | Acm | Ar1 | Arcm | Ms |
| Temperature (approximate) / ℃ | 810 | 875 | 750 | 695 | 190 |
| Temperature / ℃ | 20~100 | 20~200 | 20~300 | 20~400 |
| Line (swelling) expansion coefficient / ℃－1 | 10.5×10－6 | 11.5×10－6 | 11.9×10－6 | 12.2×10－6 |
