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Aircraft Stainless Steel BS T66 / 2T66 seamless tube
Technical Data Sheet
BS T66 is the British aerospace standard for seamless tube in stainless steel 347. It is often dual certified to BS T72 and offers good corrosion resistance and good weldability.
| Chemical Composition Limits | |||||||
| Weight% | C | Si | Mn | Cr | Ni | Nb | P + S max |
| 2 T66 Tube | 0.08 max | 0.20-1.0 | 0.50-2.0 | 17-19 | 9-12 | 10 X C/1.0 | P 0.035 S 0.025 |
Typical Mechanical Properties
| Grade | Tensile Strength Rm , N/mm² | Proof Strength Rp 0.2, N/mm² | Hardness HB | Ruling Section |
| 2T66 Tube | 550-700 | 210-340 | 197 max | 1/8" OD to 3 1/2 OD |
Availability
Alloy 2T66 Tube. For all stock availability contact Sales.
Specifications
Type 347 Stainless Steel Tube
Z10CNNb 18-11
AMS 5571
AMS 5575
MIL-T-8606
MIL-T-8808
BS T72
