Name：Hex Flange Nuts

Hex Flange Nuts,Grade 2 

Typical Material：   Low Carbon Steel 
Material and Mechanical Properties：  SAE J995 Grade 2 
Dimensions：   ASME/ANSI IFI-145 
Typical Hardness：   Hardness: 
Hardness：   HRC 32 Maximun 
Proof Load Strength：   90,000PSI Minimum 

Hex Flange Nuts,Grade 5 
Typical Material：   Medium Carbon Steel 
Material and Mechanical Properties：  SAE J995 Grade 5 
Dimensions：   ASME/ANSI IFI-145 
Hardness：   HRC 32 Maximun 
Proof Load Strength：   120,000PSI Minimum for sizes 1/4 through 3/4 UNC threads ,109,000 PSI 1/4 through 1 UNF threads; 

Hex Flange Nuts,Grade 8 
Typical Material：   Medium Carbon Steel 
Material and Mechanical Properties：  SAE J995 Grade 8 
Dimensions：   ASME/ANSI IFI-145 
Hardness：   HRC 24-32 for sizes 1/4 through 5/8, HRC 26-34 for sizes over 5/8 through 3/4. 
Proof Load Strength：   150,000 PSI