14CrMoV6-9, 1.7735


Alloy structural steel Cr-Mo-V steel 15CDV6, 1.7734, 14CrMoV6-9, 1.7735, 15CrMoV5-9, 1.8521 intended for heavy duty machine parts in aerospace and aviation industries acc. to AIR 9160C.

14CrMoV6-9, 1.7735 - Introduction and Application

The 14CrMoV6-9, 1.7735, Air 9160/C 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. Steel is easier to weld.Supplied in the form of round bars, seamless tubes, forgings or flat products shows excellent mechanical properties, pressure resistance.


Melted process

Alloy structural steel Cr-Mo-V steel 15CDV6, 1.7734, 14CrMoV6-9, 1.7735, 15CrMoV5-9, 1.8521 intended for heavy duty machine parts in aerospace and aviation industries acc. to AIR 9160C.


14CrMoV6-9, 1.7735 - Chemical composition WT %

GradeChemical composition WT %
CMnSiPSCrMoVNiCu
AIR 9160 15CDV60.12 - 0.180.8 - 1.1Max 0.20Max 0.020Max 0.0151.25 - 1.500.8 - 1.00.2 - 0.3--
DIN 14CrMoV6-9, 1.77350.11 - 0.170.8 - 1.0Max 0.25Max 0.020Max 0.0151.25 - 1.500.8 - 1.00.2 - 0.3--
DIN 15CrMoV5-9, 1.85210.13 - 0.180.8 - 1.1Max 0.4Max 0.025Max 0.0301.20 - 1.500.8 - 1.10.2 - 0.3--
DIN 15CrMoV5-10, 1.77450.10 - 0.160.4 - 0.90.15 - 0.35Max 0.025Max 0.0151.10 - 1.400.9 - 1.10.20 - 0.35Max 0.25Max 0.25

Mechanical Property of 14CrMoV6-9, 1.7735

Mechanical properties - sheets
size

<2mm

 

T980

2 - 20mm

 

T1080

m (MPa)980 - 11801080 - 1280
p0,2 (MPa)Min 780Min 930
Hardness (HRB/HRC)Min 29Min 33

Mechanical properties of bars
Size

<16mm

 

T980

16 - 25mm

 

T1080

25 - 70mm

 

T1080

m (MPa)980 - 11801080 - 12801080 - 1280
e (MPa)Min 780Min 930Min 930
Elongation A (%)Min 12Min 10Min 10
Hardness (HB)291 - 350321 - 380321 - 380
Impact strenght KCUMin 6Min 8Min 6

1.7734.2 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%


Welding of 14CrMoV6-9, 1.7735

good weldability and ductility


Equivalent grades of 14CrMoV6-9, 1.7735

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, 1.7734.2, 1.7734.4, 1.7734.5, 1.7734.6, FE-PL52S AICMA.