NAB - Mechanical Properties

Selecting a range of materials for comparison and simplifying the comparison by taking a representative alloy from each group, standard-specified properties of tensile and yield strength are shown

Grades Of Material
Cast Iron Various      
Bronze B62   C83600 Gunmetal, Valve Bronze, Leaded Bronze
NiAlBronze B148   C95800 NAB
Cu-Ni alloy A494 M35-1 N24135 Monel ®
Carbon A216 WCB J03002  
Stainless A351 CF8M J92600 316
6Mo A351 CK-3MCuN J93254  
Duplex A890 4A J92205  
Super Duplex A744 CD-4MCu J93370  
Ni Alloy 625 A494 CW-6Mc N26635 Inconel ® 625
Ni Alloy C22 A494 CX-2MW N26022 Hastelloy ® C22
Ti C2 B367 C-2 R50400  
Ti C3 B367 C-3 R50550  
         


Selecting a range of materials for comparison and simplifying the comparison by taking a representative alloy from each group, standard-specified properties of tensile and yield strength are shown


Mechanical Properties of Selected Alloys

First, the difference between “bronze” and NAB is dramatic. This shows that the association by the fact of being a copper alloy and sharing the tag of bronze can damage the reputation of NAB. The yield strength of NAB is over double that of bronze (also known as gunmetal or valve bronze).

Second, perhaps more surprisingly, is that NAB’s mechanical properties are better than those of Ni-Cu alloy (more popularly known as Monel®). While there are high strength Ni-Cu wrought alloys such as K-500, the common cast alloys do not perform so well, as is illustrated.

Third, the common carbon and stainless steels materials do not differ significantly as far as the base mechanical properties are concerned. In fact, the mechanical properties of NAB are only significantly exceeded by the duplex and super-duplex materials.


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