- Casting method: Shell-molding casting and Vacuum casting
- Machining method: CNC lathe and CNC machining center
- Material: Ferritic Ductile Iron Castings Suitable for Low-Temperature Service as per ASTM A874 /A874M
- Physical：Tensile-55,000 psi, Yield-35,000 psi; Elongation-20%; Charpy U-block test =9 + ft-lb requirement @-65F
- Hydrotest 100% prior to shipment – 345 PSI – 10 minutes.
- Surface treatment: Water-soluble anti-rust treatment