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15 CrMoV6          15CDV6      1.7734

Precision Cr-Mo-V cold drawn steel tubes from Osborn Tubes

for Aeronautic Application to AIR 9160C Standard.

The properties of this material offer  high yield strength combined with excellent weldability.

Welding can be achieved without subsequent heat treatment and with negligible loss of properties.

Chemical Composition:

C

Si

Mn

S

P

Cr

Mo

V

0,12

0,18

≤ 0,20

0,80

1,10

≤ 0,015

≤ 0,020

1,25

1,50

0,80

1,00

0,20

0,30

Norms:

-         Tubes are produced according to AIR 9160C-ASNA 3114-ASNA 3108-ASNA 6078 – Werkstoff 1.7734.5 standards.

-         AECMA Approval

-         Certificate of Approval from French CAA (F-PF 06)

Mechanical Characteristics:

-     Class 2 Aeronautics complies with AIR 0819

-     Supplied in the hardened and tempered condition   

-     Decarburisation                                :        conforms to Aerospace norms for ground tubes

-     Rm                                                    :        980/1180 MPa (1080/1280 on demand)

-     Rp 0,2                                              :        ≥ 780 MPa

-     Elongation                                        :        ≥ 10%

Material can also be offered in the annealed condition (hardness ≤ 92HRB, elongation >25%)

Material can meet Werkstoff 1.7734.3/4/6

Non Destructive Testing 

-        Inspected to the above standards.

-        100% Eddy Current Testing including defect detection and homogeneity of the mechanical properties 

Marking:

-        All tubes are continuously marked on the O/D.

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