Special structural alloy steel 32CDV13, 33CrMoV12-9, 32CrMoV12-9, 1.8522, AMS 6481 according to AIR 9160/C.
| Standards | Steel Grades | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Chemical Composition % | ||||||||||
| C: | Mn: | Si: | P: | S: | Cr: | Ni: | Mo: | V: | Cu: | |
| AIR 9160 | 32CDV13 | |||||||||
| 0.29 - 0.36 | 0.4 - 0.7 | 0.1 - 0.4 | <0.025 | <0.025 | 2.8 - 3.3 | <0.3 | 0.7 - 1.2 | 0.15 - 0.35 | - | |
| EN | 32CrMoV12-9 - 33CrMoV12-9 - 1.8522 | |||||||||
| 0.29 - 0.36 | 0.4 - 0.7 | <0.4 | <0.025 | <0.035 | 2.8 - 3.3 | - | 0.7 - 1.0 | 0.15 - 0.25 | - | |
| EN | 33CrMoV12 | |||||||||
| 0.29 - 0.36 | 0.4 - 0.7 | 0.1 - 0.4 | <0.020 | <0.020 | 2.8 - 3.8 | <0.3 | 0.7 - 1.2 | 0.15 - 0.35 | - | |
| ASTM | UNS K24340 - AMS 6481 | |||||||||
| 0.29 - 0.36 | 0.4 - 0.7 | 0.1 - 0.4 | <0.015 | <0.005 | 2.8 - 3.3 | <0.3 | 0.7 - 1.2 | 0.15 - 0.35 | <0.1 | |
32CDV13, 32CrMoV12-9, 1.8522 - specification and applications
Structural steel with good hardening properties for nitriding used in the production of components requiring high impact resistance, fatigue, ductility and hardness in the aerospace and machinery industries.
The 32CrMoV12-9 grade is mainly used in the manufacture of heavy-duty machine parts such as rings, bearings, axles, crankshafts, flanges, aircraft parts, cogwheels, and gears. Correctly selected chemical composition allows the work of components to temperatures up to 400 ℃.
The mechanical properties of 32CrMoV12-9/33CrMoV12-9/1.8522 steel according to EN 10085
- Delivery condition +A:
- Hardness: < 248 HB
- Delivery condition +QT - dimensions 16 - 40mm
- Tensile strength, Rm: 1150 - 1350 MPa
- Yield point, Rp0,2: >950 MPa
- Elongation, A: >11%
- Impact resistance, KV: >30J
- Delivery condition +QT - dimensions 40 - 100mm
- Tensile strength, Rm: 1050 - 1250 MPa
- Yield point, Rp0,2: >850 MPa
- Elongation, A: >12%
- Impact resistance, KV: >35J
- Delivery condition +QT - dimensions 100 - 160mm
- Tensile strength, Rm: 950 - 1150 MPa
- Yield point, Rp0,2: >750 MPa
- Elongation, A: >12%
- Impact resistance, KV: >40J
- Delivery condition +QT - dimensions 160 - 250mm
- Tensile strength, Rm: 900 - 1100 MPa
- Yield point, Rp0,2: >700 MPa
- Elongation, A: >13%
- Impact resistance, KV: >45J
Thermal treatment of 32CrMoV12-9, 1.8522 - processes and temperatures:
- Softening annealing is carried out at a temperature of 680 - 720℃
- Hardening in oil or water at 870 - 970℃
- Tempering at 580 - 700℃
- Nitriding of surface is carried out in the range 480 - 570℃
In the above mentioned grades the company provides:
- Hot-rolled peeled bars 32CDV13, 32CrMoV12-9, 1.8522, 33CrMoV12-9
- Forged bars, forgings, rings 32CDV13, 32CrMoV12-9, 33CrMoV12-9, 1.8522
The other alternatives and substitutes:
32CDV13, 32CrMoV12-9, 33CrMoV12-9, 1.8522, UNS K24340, AMS 6481, 33CrMoV12, FE-PL1504, E32CDV13.