Mechanical properties of pure nickel sheet at room temperature

Grade State Spec
(mm)
Mechanical properties, not less than Hardness
Rm/MPa Rp0.2/MPa A50(%) HV HRB
N4
N5(N02201)
M ≤1.5 345 80 35    
>1.5 345 80 40    
R >4.0 345 80 30    
Y ≤2.5 490   2    
N6
N7(N02200)
DN
M ≤1.5 380 100 35    
>1.5 380 100 40    
R >4.0 380 135 30    
Y >1.5 620 480 2 188-215 90-95
≤1.5 540        
Y2 >1.5 490 290 20 147-170 79-85