Steel 30NCD16
1.6747 - 30NiCrMo16-6 - FE-PL2107 - 30Ni4CrMoA
30NCD16 structural steel is often used in the aerospace, automotive, and civil engineering industries - any sector where components are subject to high stress. This alloy can withstand heavy loads and extreme conditions without deforming or cracking, ensuring reliability and durability of the structures and components in which it is used.
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High-Strength Steel Alloy in Aeronautics
30NCD16 (or 1.6755) is a steel alloy containing chromium, nickel, and molybdenum. It is comparable to other steels like 35NCD16, which shares a similar chemical composition and mechanical properties but is optimized for specific uses. Like 35NCD16, 30NCD16 is often used in the aerospace and automotive industries for components requiring high strength and durability under fatigue and impact, such as gears, turbine rotors, and fasteners.
This steel alloy can undergo various heat treatments to enhance its mechanical properties: annealing, quenching, and tempering. Annealing aims to reduce hardness and improve machinability, while quenching and tempering increase hardness and mechanical strength.
Chemical composition of 30NCD16
The variations in its chemical composition for aerospace.
| % | C Carbon | Cr Chromium | Mn Manganese | Mo Molybdenum | Ni Nickel | P Phosphorus | S Sulfur | Si Silicon |
|---|---|---|---|---|---|---|---|---|
| Min. | 0.26 | 1.20 | 0.20 | 0.30 | 3.30 | <0.00 | <0.00 | 0.10 |
| Max. | 0.33 | 1.50 | 0.60 | 0.60 | 4.30 | 0.025 | 0.020 | 0.40 |
Related steel alloys
12NC12, FE-PL61
ROUND BAR
15CDV6, 15CrMoV6, 1.7734, 1.7736, AIR 9160
SQUARE BAR, RECTANGULAR BAR, ROUND BAR, WIRE, SHEET, ROUND TUBE
16NCD13, 15NiCrM013
ROUND BAR
25CD4S, 1.7218, 25CrMo4, FLE-PL1502
RECTANGULAR BAR, ROUND BAR, SHEET, SQUARE TUBE, ROUND TUBE
300M, E4340
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30CD12, 32CrMo12
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30CND8
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32CDV13, 33CrMoV12
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35CD4, 36CrMo4
ROUND BAR, ROUND TUBE
35NC6, 35NiCr6
SQUARE BAR, HEXAGONAL BAR, RECTANGULAR BAR, ROUND BAR, WIRE
35NCD16, 1.6773, 36NiCrMo16, FE-PL2108
SQUARE BAR, RECTANGULAR BAR, ROUND BAR
40CAD6-10
ROUND BAR
40CDV12
PROFILE
40NCD7, 40NiCrMo7
ROUND BAR
42CD4
ROUND BAR
45SCD6
ROUND BAR
C75S
SHEET
DC04, Fe P04, St 14, ES
SHEET
E15CDV6
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E16NCD13
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E32CDV13
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E35NCD16
ROUND BAR
E40CDV12
ROUND BAR
E4330, 4330 Mod, A646 Grade 5
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FER PUR
SHEET
GENRE STUB
ROUND BAR
S145F
SQUARE BAR, RECTANGULAR BAR
S145H
ROUND BAR
S534
SHEET
S97D
ROUND BAR
S98D
ROUND BAR
S99
ROUND BAR
X210CR12
ROUND BAR
X30Cr13, Z30C13
ROUND BAR
XC18S
ROUND BAR, SHEET, ROUND TUBE
XC38
ROUND BAR
Z230KDWVC11
ROUND BAR
Key properties
The most remarkable properties of this steel alloy
Tensile Strength
1080-1370 MPa
Impact Toughness
>550 kJ/m²
Yield Strength
>880MPa
Brinell Hardness
>270
How 30NCD16 is used in aerospace
The practical applications of this steel in aircraft construction.
Turbine rotors
Turbine rotors are present in Auxiliary Power Units and provide the necessary energy for the aircraft when it is on the ground. The wear resistance provided by 30NCD16 is suitable for rotors that spin very rapidly.
Gears
Gears enable the movement of flaps and landing gear. Subjected to constant friction, they must be wear-resistant: this is where the use of 30NCD16 comes in.
Fasteners
Fasteners (bolts, screws, etc.) maintain the structural integrity of aircraft, subjected to various load and stress conditions. 30NCD16 is particularly suitable here, making them resistant to impacts and vibrations.
Optimizing the use of 30NCD16 : treatments, regulations, and options.
Applications of
30NCD16 steel
How it is used in various industries.
