AMS 5639 Stainless Steel 304 Tube and Bar

Technical Data Sheet


Chemical Composition Limits
Weight% C Mn Si P S Cr Ni Mo Cr
AMS 5639
0.08 max 2.00 max 1.00 max 0.040 max 0.030 max 18-22 8-12 1.00 max 1.00 max

Typical Mechanical Properties


Specification Tensile Strength (ksi)
Yield Strength (ksi) Elongation (%) Reduction of Area Hardness HB
AMS 5639 Bar 75 30 40 50 -
AMS 5639 Tube - - - - 187

AMS 5639 is available in round bar, flat bar, square bar, hexagon bar, forgings and tubes (see shapes below). Contact Sales for further availability.

AMS 5639 - 304 Seamless Stainless Tube


At Aircraft Materials all stock items can be shipped out within 24 hours, usually within the same day. Even cutting orders for bar or sheet can be processed and dispatched the same day, and for time-critical situations such as AOGs, we have a dedicated AOG service desk ready to help (

Thanks to our global logistics network we can source from anywhere in the world in just a few days. We use a range of transport partners to enable us to ship overnight within the U.K. and Europe and provide fast shipping solutions to the rest of the world. If your requirement is urgent we can offer a priority shipping service, but also if time is not so critical we can offer more cost-effective options to ensure you get the best value for money. To find out more about our services click here.

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.

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