35Si2MnCrMoVE ultra-high strength steel for aerospace solid rocket motor

35Si2MnCrMoVE steel is a special super strength steel for aerospace solid rocket motors, which not only reduces the cost, but also shortens the supply cycle. 35Si2MnCrMoVE steel has strict requirements on chemical composition, microstructure, properties and surface quality.

Chemical Composition of 35Si2MnCrMoVE steel:
C 0.28 -0. 33
Si 1.40-1.70.
Mun 0.70 -1.00
Cr 1.00- 1.30 ;
Ni 0.25
Mo 0.40 -0.55
V 0.08 -0.15
P≤0.015
S≤0.010

Delivery status of 35Si2MnCrMoVE steel:
Cold rolled steel plate delivered in annealed state
Hot rolled steel plate shall be delivered with annealing and no trimming.