TBA - NAVSEA TECHNICAL PUBLICATION

S9074·AR·GIB·010/278

Table XIV Category 2 pressure containing castings - machinery or pressure vessel castings . 1/

NDT Requirements 5

Application Rules

Pressure 2 (lb/in2)

Size 3 (inches)

MT/ PT4

Pressure 7

RT

VT Sub Cat

x

x

x

x

Lethal or gasoline service

All

All

A

x

x

x

Oxygen or hydrogen service

All

x

All

B

2-1/2 and > 2-1/2 8 and > 2-1/2 and >

x

x

x

x

Steam service

300 and >

C

1000 and > / 300 to < 1000 6

x

x

x

Gas (other than lethal, ocygen, or hydrogen) . water or hydraulic service

x

D

x

x

E

-

x

Special shipboard systems: (a) Weapon service - all ships: casting for weapons handling systems (b) Submarine service: pressure castings associated with hull boundary and subject to submergence pressure (c) Aircraft carrier service: castings, failure of which would reduce the capability to launch, land or transfer aircraft between the flight and hangar decks (d) Combatant surface ships: castings for normal steering systems Castings not covered above

x

x

x

x

All

F

All

x

G

x

x

x

All

All

x

x

x

x

H

2-1/2 and >

All

2-1/2 and >

x

x

I

x

x

All

-

-

x x

-

-

J

Original 108

Made with FlippingBook - Share PDF online