Stainless Steel
Superferritic AL 29-4C®

Printable Version (PDF)

 
Specifications (ASTM/ASME)
Alloy UNS Designation Material
Specification
Tubing
Specification
Pipe
Specification
AL 29-4C® S44735 A 240/SA-240 A 268/SA-268 ---
Chemical Composition (%)
Alloy AL 29-4C®
UNS Designation S44735
Carbon (C) max. 0.030
Manganese (Mn) max. 1.00
Phosphorus (P) max. 0.040
Sulfur (S) max. 0.030
Silicon (Si) max. 1.00
Chromium (Cr) 28.0 - 30.0
Nickel (Ni) max. 1.00
Molybdenum (Mo) 3.6 - 4.2
Nitrogen (N) max. 0.045
Titanium (Ti) plus Columbium (Cb) 6 x (C + N) min., 0.20 - 1.00
Iron (Fe) Balance
Typical Physical & Mechanical Properties - Annealed Condition (Room Temperature)
Alloy UNS Designation Minimum Tensile Strength
Minimum Yield
Strength
0.2% Offset
Minimum Percent (%)
Elongation in
2 inches (50.8 mm)
(psi) (MPa) (psi) (MPa)
AL 29-4C® S44735 75,000 515 60,000 415 18

AL 29-4C® is a registered trademark of ATI Properties, Inc. (d/b/a Allegheny Ludlum Corporation).

 

Disclaimer: Johnson Tube Company™, a division of Johnson International Industries, Inc., has gathered the information contained in this website from many different sources. To the best of our knowledge, all information is correct and accurate at the time of publication, but is intended to supply general information only. The information presented here is given as a guide, for reference purposes only and should not be used as technical/design specifications. The reader must make their own evaluation, based on their own research and more specific information than that supplied here, by Johnson Tube Company™, all information must be verified by the reader. Johnson Tube Company™, a division of Johnson International Industries, Inc., are processors and re-sellers of these materials and makes no guarantees or warranties, either expressed or implied, regarding the accuracy of the information supplied or the suitability of any material for any application. Information and specifications are subject to change without notice.

Not all products are produced by Johnson Tube Company™, a division of Johnson International Industries, Inc., but all products meet or exceed stated specifications.