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21-4N Valve Steel

Single Figures are Maximums
0.47/0.57 C, 8.00/10.00 Mn, 0.25 Si, 20.00/22.00 Cr, 3.2/4.5 Ni, 0.38/0.50 N, Bal. Fe

A nitrogen-strengthened, austenitic alloy. Has been used in heavy-duty valve applications for internal combustion engines.


 

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