Cast UNS: T90813
Cast Grade: CH13
Cast ASTM: A597
Wrought UNS: T20813
Wrought Grade: AISI H13
Cr: 4.75 - 5.75
Mn: 0.75
Si: 1.50
C Max: 0.30 - 0.42
Other: Mo 1.25 - 1.75; V 0.75-1.2
Brinell Typical: 229
Heat Treatment: ANNEAL
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