... , Ghana, Bahrain, Indonesia, Brazil,PeruConditions&Termsl Payment Terms:30% advanced T/T payment, the balance before shipment or against copy of B ... pitting and stress corrosion630(17-4PH) High strength shafting gradeCondition H&THardened and tempered.ANNAnnealedPHPrecipitation hardened. Surface finishThis is the surface ...