RESTRAINT RINGS This weldment is manufactured from ASTM A 36 Steel with a minimum yield stress of 36,000 psi. Two rings are required, on each side of the coupling.
TIE RODS High tensile alloy steel per ASTM A 193 grade B7. Type 304 or 316 stainless steel available on request and requires twice as many rods.
COATING Bare, unless otherwise specified.