Our Tubes
The table below lists our three best-selling steel grades. Many other grades are available and can be produced on demand !
15CDV6 Aero |
25CD4S Aero |
35CD4 Aero |
|
|---|---|---|---|
| General Specifications | Seamless cold drawn tubes 15CDV6 Aerospace quality |
Seamless cold drawn tubes 25CD4S Aerospace quality |
Seamless cold drawn tubes |
| Mechanical Characteristics | Hardness ≤ 87 HRb Rm ≤ 610 Mpa Condition TR700: Hardness ≥ 222 HV Rm ≥ 700MPa Rp0,2% ≥ 550 Mpa A% ≥ 12% Condition TR880: Hardness ≥ 94 HRb 880 MPa ≤ Rm ≤ 1080 Mpa Rp0,2% ≥ 680 Mpa A% ≥ 12% Condition TR980: Hardness ≥ 29 HRc 980MPa ≤ Rm ≤ 1180MPa Rp0,2% ≥ 790 Mpa A% ≥ 10% Condition TR1080: Hardness ≥ 33 HRc 1080MPa ≤ Rm ≤ 1280MPa Rp0,2% ≥ 930 MPa A% ≥ 10% |
Hardness ≤ 95 HRb Rm ≤ 740 Mpa Condition Normalized: 190 HB ≤ Hardness ≤ 250 HB 660MPa ≤ Rm ≤ 860MPa Rp0,2% ≥ 490 Mpa (520 Mpa for WL) A% ≥ 15% Condition TR880: 267 HV ≤ Hardness ≤ 324 HV 880 MPa ≤ Rm ≤ 1080 Mpa Rp0,2% ≥ 690 Mpa A% ≥ 10% Condition TR1080: Hardness ≥ 320 HV 1080 MPa ≤ Rm ≤ 1250 Mpa Rp0,2% ≥ 885 Mpa A% ≥ 7% Condition TR1150: 350 HV ≤ Hardness ≤ 425 HV 1150 MPa ≤ Rm ≤ 1350 MPa Rp0,2% ≥ 1050 MPa A% ≥ 6% |
Hardness ≤ 96 HRb Rm ≤ 750 Mpa Condition TR1080: Hardness ≥ 33 HRc 1080MPa ≤ Rm ≤ 1200MPa 960 MPa ≤ Rp0,2% ≤ 1120 MPa A% ≥ 12% Condition TR1350: Hardness ≥ 410 HV 1350 MPa ≤ Rm ≤ 1450 Mpa 1230 MPa ≤ Rp0,2% ≤ 1350 MPa A% ≥ 8% |
| Useful Links |
Technical specification
Aerospace applications |
Technical specification
Aerospace applications |
Technical specification
Aerospace applications |
News
New client, new tube type!
The first production run of a custom-made tube always involves its share of uncertainties.
It took us several weeks of research and fine-tuning (…)
Monitoring our CSR (Corporate Social Responsibility) actions
As part of our CSR commitment to the UIMM (French Institute for the Management of Industrial and Commercial Industries), a progress update was (…)
Air Liquide’s remarkable arrival on our site !
For the nitrogen supply to our heat treatment furnace, Osborn Metals decided to trust Air Liquide, which delivered the new storage tank. (…)
Osborn Metals at the Paris Air Show (SIAE 2025)
The Paris Air Show is always a great opportunity to meet our customers, partners, and colleagues.
Between the tour organized as part of Club Red (…)