Structural steel for thermal improvement 35NiCr6, 36NiCr6, 1.5710, 1.5815, 35NC6 for heavy-duty part for aviation industry according to EN 10083-3, AIR 9160/C.
| Standard | Steel Grade | |||||||
|---|---|---|---|---|---|---|---|---|
| Chemical Composition % | ||||||||
| C: | Mn: | Si: | P: | S: | Cr: | Ni: | Cu: | |
| EN | 36NiCr6 - 1.5710 | |||||||
| 0.32 - 0.40 | 0.4 - 0.8 | 0.15 - 0.35 | <0.035 | <0.035 | 0.3 - 0.7 | 1.25 - 1.75 | - | |
| EN/DIN | 35NiCr6 - 36NiCr6-4 - 1.5815 | |||||||
| 0.33 - 0.39 | 0.6 - 0.9 | 0.10 - 0.40 | <0.035 | <0.035 | 0.85 - 1.15 | 1.20 - 1.60 | - | |
| DIN | 40NiCr6 - 1.5711 | |||||||
| 0.38 - 0.43 | 0.7 - 0.9 | 0.15 - 0.35 | <0.035 | <0.035 | 0.55 - 0.75 | 1.1 - 1.4 | - | |
| AF | 35NC6 | |||||||
| 0.33 - 0.39 | 0.6 - 0.9 | 0.10 - 0.40 | <0.035 | <0.035 | 0.85 - 1.15 | 1.20 - 1.60 | - | |
| AF | 30NC6 | |||||||
| 0.25 - 0.35 | 0.6 - 0.9 | 0.10 - 0.40 | <0.040 | <0.035 | 0.85 - 1.15 | 1.20 - 1.60 | - | |
| ASTM | UNS K22033 - AMS 6330E | |||||||
| 0.33 - 0.38 | 0.6 - 0.8 | 0.20 - 0.35 | <0.025 | <0.025 | 0.55 - 0.75 | 1.1 - 1.4 | <0.35 | |
35NiCr6, 1.5815, 36NiCr6, 1.5710 - specifications and application
Steel for heat improvement characterized by high strength properties, good ductility, resistance to fatigue and impact. Used for heavy-duty parts of engines, devices and machines, used in the production of crankshafts, gears, shafts, piston rods, bolts, heat-treated gears and piston rods.
Mechanical properties of 35NiCr6, 1.5815, 35NC6 steel in heat-improved condition:
- Dimensions <16mm
- Tensile strength, Rm: 880 - 1080 MPa
- The yield point, Re: > 740 MPa
- Elongation, A:> 12%
- Contraction, Z: >40%
- Dimensions 16 - 40mm
- Tensile strength, Rm: 880 - 1080 MPa
- The yield point, Re: > 740 MPa
- Elongation, A:> 14%
- Contraction, Z: >40%
- Impact resistance, KV: > 35J
- Dimensions 40 - 100mm
- Tensile strength, Rm: 780 - 980 MPa
- The yield point, Re: > 640 MPa
- Elongation, A:> 15%
- Contraction, Z: >40%
- Impact resistance, KV: > 35J
- Hardness in +A annealed condition: <223 HBW
Heat treatment:
- Hardening at 840 - 860 ℃ with cooling in water or oil
- Tempering at a tempering of 530 - 630℃
In the above-mentioned grades we deliver:
- Hot-rolled, peeled, forged and drawn bars 35NiCr6, 36NiCr6, 35NC6, 1.5710, 1.5815
- Forgings 35NiCr6, 36NiCr6, 35NC6, 1.5710, 1.5815
Other indications of grades and substitutes:
AISI 3140, SNC1, SNC236, 640M40, EN111, 35NC5, 35NC6, 35 NC 6, 30NC6, 30 NC 6, 1.5710, 1.5815, 36NiCr6, 36 NiCr 6, 35NiCr6, 35 NiCr 6, 36 NiCr 6-4, 36NiCr6-4, 35Ni5Cr2, CSN 16240, 40NiCr6, 40 NiCr 6, 1.5711.