40CDV12 - nitriding steel
Alloy structural steel for nitriding 40CDV12, 40CrMoV13-9, 1.8523, 39CrMoV13 for aviation industry according to EN 10085, AIR 9160C, EN 10250-3.
Standard | Steel Grade | ||||||||
---|---|---|---|---|---|---|---|---|---|
Chemical Composition % | |||||||||
C: | Mn: | Si: | P: | S: | Cr: | Mo: | V: | ||
EN | 40CrMoV13-9 - 1.8523 - 39CrMoV13 | ||||||||
0.36 - 0.43 | 0.4 - 0.7 | <0.4 | <0.025 | <0.035 | 3.0 - 3.5 | 0.8 - 1.1 | 0.15 - 0.25 | ||
AIR | 40CDV12 - 40 CDV 12 | ||||||||
0.4 | 0.55 | - | - | - | 3.25 | 1.0 | 0.2 | ||
IS | 40Cr13Mo10V2 | ||||||||
0.35 - 0.45 | 0.4 - 0.7 | 0.10 - 0.35 | - | - | 3.0 - 3.5 | 0.9 - 1.1 | 0.15 - 0.25 | ||
BS | 897M39 - 897 M 39 - HCM3 | ||||||||
0.35 - 0.43 | 0.45 - 0.70 | 0.10 - 0.35 | <0.035 | <0.035 | 3.0 - 3.5 | 0.8 - 1.1 | 0.15 - 0.25 | ||
BS | S132 - S133 - S134 | ||||||||
0.4 | 0.55 | - | - | - | 3.25 | 1.0 | 0.2 |
40CDV12, 40CrMoV13-9, 39CrMoV13, 1.8523 - specifications and application
40CrMoV13-9 / 40CDV12 is a structural alloy steel grade intended for nitriding, of which a similar equivalent with a slightly lower carbon content is 32CDV13 / 33CrMoV12-9 / 1.8522.
The steel is characterized by even greater hardness which reduces surface wear after nitriding, high hardenability, high strength properties, resistance to stress, and higher core plasticity compared to standard nitriding materials. The grade is adapted to the production of components and elements, among others, in the aerospace industry.
Mechanical properties of 40CrMoV13-9, 39CrMoV13, 1.8523, 40CDV12
- Dimensions 16 - 40mm
- Tensile strength, Rm: 950 - 1150 MPa
- The yield point, Re: > 750 MPa
- Elongation, A:> 11%
- Impact resistance, KV20℃: >20 J
- Dimensions 40 - 100mm
- Tensile strength, Rm: 900 - 1100 MPa
- The yield point, Re: > 720 MPa
- Elongation, A:> 13%
- Impact resistance, KV20℃: >20 J
- Dimensions 100 - 160mm
- Tensile strength, Rm: 870 - 1070 MPa
- The yield point, Re: > 700 MPa
- Elongation, A:> 14%
- Impact resistance, KV20℃: >20 J
- Dimensions 160 - 250mm
- Tensile strength, Rm: 800 - 1000 MPa
- The yield point, Re: > 625 MPa
- Elongation, A:> 15%
- Impact resistance, KV20℃: >20 J
- Hardness in +A annealed condition: <248 HB
Heat treatment of 40CDV12, 40CrMoV13-9, 1.8523 steel
- Softening annealing at a temperature of 680 - 720 ℃
- Hardening at 870 - 970 ℃ with cooling in water or oil (0.5 H at least)
- Tempering at 580 - 700℃ for a minimum of one hour
- Nitriding at a temperature of 480 - 570℃
In the above mentioned grades, the company offers:
Substitutes, equivalents and other species designations
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