ML18022A202
Text
BFN-26 TABLE 4.2-1 REACTOR PRESSURE VESSEL MATERIALS Component Form Material
- Spec. (ASTM/ASME)
Heads, Shell...................... rolled plate low-allow steel SA-302 B cc 1339 Closure Flange.................. forged rings low-alloy steel A-508 CL 2 cc 1332-2 Cladding............................ weld overlay austenitic SA-371 type ER309-type stainless steel ER308 (and carbon content
-inconel
<0.08 w/o)-Inconel 82 and 182 Nozzles.............................. forged shapes low-alloy steel A-508-CL2 cc 1332-2 Control Rod Drive.............. forged tubes Inconel SB-166 cc 1336 Stub Tubes Control Rod Drive.............. pipe austenitic Housings stainless steel In-Core Housings.............. pipe austenitic stainless steel Vessel Supports-............... rolled plate low-alloy steel SA-302 Gr.B External Shroud Support-................ forging Inconel SB-168 Annealed cc 1336 Internal Nozzle Safe Thermal......... pipe austenitic SA-312 TP.304 Sleeves stainless steel Nozzle Safe Ends.............. forging austenitic SA-336-F8/F8M stainless steel and some low-carbon SA-105-2 cc 1332-1 steel Nozzle for Instrument........ forging Inconel SB-166 cc 1336 para. 1 Penetrations
- cc - Code Case that modifies/augments the material specification.
BFN-26 Table 4.2-2 Table 4.2-3 REACTOR VESSEL DATA REACTOR VESSEL ATTACHMENTS Reactor Vessel Qty.
Inside Diameter, in. (min.).............................. 251 3/8 in.
Internal Attachments Inside Length............................................ 73 ft 11-1/2 in.
Guide Rod Bracket......................................... 2 Design Pressure and Temperature, Steam Dryer Support Bracket......................... 4 psig @ °F................................................... 1250 @ 575 Dryer Holddown Bracket................................. 4 Feedwater Sparger Bracket.......................... 12 Vessel Nozzles (number and size)
Jet Pump Riser Support Pads....................... 20 Recirculation Outlet................................ 2-36 in. to 28 in.
Jet Pump Diffuser Bracket............................ 20 Steam Outlet....................................................... 4-26 in.
Core Spray Bracket........................................ 4 Recirculation Inlet............................................. 10-12 in.
Feedwater Inlet................................................... 6-12 in.
External Attachments Core Spray Inlet................................................. 2-10 in.
Stabilizer Bracket............................................ 8 Instrument (one of these is Head Spray)**......... 2-6 in.
Top Head Lifting Lug....................................... 4 Control Rod Drive............................................. 185-6 in.
Insulation Supports......................................... 2 Jet Pump Instrumentation..................................... 2-4 in.
Insulation Support Brackets...... 12 ea; 2 places Vent...................................................................... 1-4 in.
Thermocouple Pad....................................... 36 Instrumentation..................................................... 6-2 in.
Control Rod Drive Hydraulic System Return *...... 1-4 in.
Core Differential Pressure and Liquid Control...... 1-2 in.
Drain..................................................................... 1-2 in.
In-Core Flux Instrumentation.............................. 55-2 in.
Head Seal Leak Detection.................................... 2-1 in.
Approximate Weights (in pounds)
Bottom Head...................................................... 207,500 Vessel Shell........................................................ 842,000 Vessel Flange..................................................... 106,000 Support Skirt......................................................... 28,000 Other Vessel Components................................... 65,500 Total Vessel without Top Head........................ 1,249,000 Top Head1.......................................................... 252,000 Total Vessel..................................................... 1,501,000 1This weight includes 60,095 lbs. which is the weight of the reactor pressure vessel studs, nuts and washers.
- CRD Return Line nozzle is capped.
- Unit 1, 2, and 3 head spray nozzle line is capped.