Rotary substitutes m...Rotary substitutes manufactured from AISI 4145 H odified alloy steel fully heat-treated to 285-341 Brinell hardness and 52 Joules minimum impact strength conforming to the requirement of API Spec 7. All connections are to be machined and finished to API standards. Thread roots are to be cold rolled. Connections are phosphatized, coated with lubricant and equipped with pressed steel thread protectors installed at both ends.
500 TON CAPACITY ROT...500 TON CAPACITY ROTARY SWIVEL (Manufactured, Tested and Monogrammed as per Latest Edition of API Spec - 8C, PSL-2) AND ACCESSORIES
