|70/30 Cu-Ni||C71500||B 122||B 543||B 467|
|Chemical Composition (%)|
|Carbon (C) max.||0.05|
|Manganese (Mn) max.||1.0|
|Phosphorus (P) max.||0.02|
|Sulfur (S) max.||0.02|
|Nickel (Ni), Including Cobalt (Co)||29.0 - 33.0|
|Copper (Cu), Including Silver (Ag)||Balance¹|
|Iron (Fe)||0.40 - 1.0|
|Lead (Pb) max.||0.02|
|Zinc (Zn) max.||0.50|
1 Copper plus elements with specific limits, 99.5% min.
|Typical Physical & Mechanical Properties - Annealed Condition (Room Temperature)|
|Alloy||UNS Designation||Minimum Tensile Strength||Minimum Yield
0.5% Extension Under Load
|Minimum Percent (%)
2 inches (50.8 mm)
1 Per ASTM B 543 specification.
2 Per ASTM B 552 specification.
3 Outside diameter 4-1/2" (114 mm) and under, per ASTM B 467 specification.
4 Outside diameter over 4-1/2" (114 mm), per ASTM B 467 specification.
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.