Structural alloy chromium-molybdenum-vanadium steel 15CDV6, 1.7734 intended for heavy duty machine parts in aerospace and aviation industries, according to AIR 9160/C.

 

StandardsSteel Grade
Chemical composition %
C:Mn:Si:P:S:Cr:Mo:V:Ni:Cu:
AIR 916015CDV6 - 15 CDV 6 - E15CDV6 - E 15 CDV 6
0.12 - 0.180.8 - 1.1<0.20<0.020<0.0151.25 - 1.500.8 - 1.00.2 - 0.3--
LW12CrMoV6-9 - 12 CrMoV 6-9 - 1.7734 - 7734
0.12 - 0.180.8 - 1.1<0.20<0.020<0.0151.25 - 1.500.8 - 1.00.2 - 0.3--
PN15HMF
0.12 - 0.190.4 - 0.70.17 - 0.37<0.030<0.0251.2 - 1.60.9 - 1.10.25 - 0.35<0.30<0.30
GOST15Ch1M1F - 15Kh1M1F - 15Х1М1Ф
0.10 - 0.160.4 - 0.70.17 - 0.37<0.025<0.0251.1 - 1.40.9 - 1.10.20 - 0.35<0.25<0.25
DIN14CrMoV6-9 - 14 CrMoV 6-9 - 1.7735 - 7735
0.11 - 0.170.8 - 1.0<0.25<0.020<0.0151.25 - 1.500.8 - 1.00.2 - 0.3--
DIN15CrMoV5-10 - 15 CrMoV 5-10 - 1.7745
0.10 - 0.160.4 - 0.90.15 - 0.35<0.025<0.0151.10 - 1.400.9 - 1.10.20 - 0.35<0.25<0.25
UNI15CrMoV6 - 15 CrMoV 6
0.12 - 0.180.8 - 1.1<0.20<0.020<0.0151.25 - 1.500.8 - 1.00.2 - 0.3--

 

15CDV6 steel - specifications and application

The 15CDV6 is used for the manufacture of rocket engines, parts for electric motors, extremely lightweight and durable aircraft components and structures, racing vehicle frames, or vital components in the nuclear and defense industries. It is characterized by excellent mechanical properties, plasticity, elasticity as well as weldability. 15CDV6 is an alternative in aircraft and armament applications for the 30HGSA. Steel is easier to weld.

Supplied in the form of round bars, seamless tubes, forgings or flat products shows excellent mechanical properties, pressure resistance, good weldability and ductility. In addition to the basic heat treatment, the above-mentioned material grades can be nitrided.


General mechanical properties in heat-treated state +QT:

  • 1.7734.2- the softened state
  • 1.7734.4
    • Tensile strength, Rm =>700 MPa
    • Yield point, Re =>550 MPa
    • Elongation, A = > 13%
  • 1.7734.5
    • Tensile strength, Rm = 980 - 1180 MPa
    • Yield point, Re => MPa
    • Elongation, A = > 11%
  • 1.7734.6
    • Tensile strength, Rm = 1080 - 1250 MPa
    • Yield point, Re => MPa
    • Elongation, A = > 13%

 


In the above mentioned grades the company provides:

 

Other indications and usage of 15HMF steel:

14CrMoV6-9, 14 CrMoV 6-9, 1.7735, 7735, 12CrMoV6-9, 12 CrMoV 6-9, 1.7734, LW 7734, 15CDV6, 15 CDV 6, E15CDV6, FE-PL1505, 15CrMoV6, 15 CrMoV 6, 15CrMoV5-10, 15CrMoV5-9, LH800, LH900, 15 CrMoV 5-10, 1.7745, 1.8521, 15Ch1M1F, 15Kh1M1F, 15Х1М1Ф, 1.7736, V354, SCV, RS 241, Grade F24,Grade P24


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