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Aircraft Stainless Steel BS T66 / 2T66 seamless tube


Technical Data Sheet

 

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

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.

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

Services
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Disclaimer
Every effort is made to ensure that technical specifications are accurate. However, technical specifications included herein should be used as a guideline only. All specifications are subject to change without notice.