Process piping welding t i

Process piping welding

1 APPENDIX

|—C BACKGOUGEAEXCEPT

-Ă

game CVE?

ot

Base Metal

3/8 max

Note

Not prequalified

for gas tungsten

arc and gas

Note

Tho orientation

the two members

the joints may vary from 135°

180°

provided

that tho basic Joint configuration

root face, root opening) rem the same and that the design’

GIAND

"NMB BAS vor

Groove Preparation

Thickness

Groove Preparation

SMAW

|- B.U3a

for gas tungsten

arc and gas metal arc welding using short circuiting franster

Note

fillet welds are used

statically loaded structures

reinforce groove welds

corner and T-joints,

they shail

be equalto 2%

VA

but need nol excced

3/6

in

Groove welds

corner and T-joints

dynamically

loaded structures

shall

be reinforced tin

wilh fillet welds equal

4/4

Ty, but nol more than 3/6

in

Note M:

Double-groove

welds may have grooves

unequal depth, but the

one-fourth

the thickness

the thinner part joined

Note N;

The orientation

the two members

the joints may vary from 135°

160°

provided

that the baste joint contiguralion

(groove angle, root face, rool opening) remain the same and that the design weld size

Note

The orientation

two members

the joints may vary {rom 45°

135°

for corner joints and trom 45°

90°

tor T-joints,

provided

that the basic joint contiguration

(groove angle, root face, rool opening) remain the same ond thal the design weld

be

no less than

+1/16.-0 +1/16,-1/8

OR DANIEL

—I

—1

Butt joint (3)

As Detailed

As Fit

Up

for

Process

| Designalion

SMAW B-U4b

U _

Re0

to 1/8 +1/16,-0 +1⁄16,-1/8

Alt

_ BrC.N

GMAW

[=0

to 1⁄8

+1⁄16,-0

Nol timited

Not

A,BrC

Ecaw

| P.U4»-GF

T-joint {T)

Corner

joint (C)

„

Base Metal

Groove Preparation

olerances

Permitted

| Shielding

As Fil

| Notes

sMaAW

| TC-U4b

u

Ụ

R-0

tơ 1/8 +1/16,-0 +1/16,-1/8

U

U

1~1/4 max

Thickness

Groove Preparation

Root Root Groove Welding

limits these joints

the horizontal position

sound metal belare welding second side

Note

fillet welds are used

stalically loaded structures

not exceed 3/8

Groove welds

corner and

with fillet welds equal

1/4

Tị, but not more than 3/8

unequal depth, but the depth

the shallower groove shall

less than

one-fourth

the thickness

the thinner part joined

two members

the joints may vary from 135°

180°

provided

that the basic

opening) remain the same and that the design weld size

435°

corner joints and from 45°

Nole Br:

Dynamic

Nole

Backgouge roo!

T-joints,

they shalt

rce groove welds

‘oint configuration

the

(groove angle, root face,

Nole

The orientation

two members

the joir

provided

that the basic joint configuration

not changed

and adequal

basic groove configuration:

Ihout excessive

edge melling

side groove preparation

the welding operations

edge distance

| FLUOR: DANIEL

JAIME CUEVAS CHANDIA

reinforce groove welds

B-U7 and G-U7-GF

for yas tungsten

arc and gas

Double-groove

welds may have grooves

unequal depth,

one-fourth

the thickness

the thinner part joined

members

the joints may vary from 135°

180°

provided

that the basic joint configuralia

opening) remain

the same and that the design weld size

maintained

¬

‘om 45°

135°

for corner

joints

and from 45°

90°

for T-foiht

root face, rool opening) remain

the same and that the design

the shallower

The orientation

the two

(groove angle, roal face,

The orientation

lwo members

the joints may vary

provided

that the basic joint configuration

(groove angle,

FD-WS-4 REV

`

NY

FD-WS-4 REV

Groove

preparation Thickness

FD-WS-4 REV

APPENDIX PAGE

"7b Pasitions

SMAW BC-P2

tungsten

arc and gas metal

_ uel got

gas tungsten

and gas

Note

fillet welds

groove

configurall

the welding

SRP BERD

(S1*$2)) UMp,

The member

and T-joints,

they shall

Corner joint (C)

ee

Groove preparation

Base Melal

per

Thickness

Rot Opening

7/16 mịn

for gas tungsten

arc and gas metal arc welding using shart circuiting transfer

thal the groove dimensions

are maintained

Note Q2:

The member

ti

_——

Thickness

Rool Opening

(U

# unlimited)

Ropl Face

As Fil

Up

Process

| Designation

Tụ

Ty

| Groove Angle

L_———-—

—_—

1 1)?

————

T máng

1/4 min

| tam

174 min

| Eve min

Not prequalified

lor gas tungsten

arc and gas metal arc walding using short circuiting transfer

cove

welds

in corner

and T-joints,

in statically

loaded

structures

to reinforce

gr

1/4

Ty, bul need not exceed

provided

{hat the groove

joints,

the outside

or both

and adequate

the welding

ovided

the basic

Ñ)

MA303 MA304

MA306 MA306.3 MA306.4 MA306.5

MA308.2 MA309

-.eseerseeerecrscerersee

Service Requirements

«vs nen

`

K341.4.1(aX3) K341.4.1(aX4)

319.7

321.1 321.2

Tables 302.3.3C 302.3.3D 302:3.4 302.3.5 304.1

M302.1 M302.2 M302.3 M302.4

M306.1 M306.2 M306.3 M306.4 M306.5 M306.6

M307.1 M307.2

M308.2 M308.3 M308.4 M308.5

Ne

{

_

oO @

GENERAL STATEMENTS

service requirements

include prohibitions,

C

drawings,

supporting documents

r

i

wer

LY

SD

fy

-⁄

wu!

GENERAL NOTE: This Figure iliustretes the nomenclature of pars 204,3.3 It does not indicate complete welding details or a preferred method

of construction For typical weld details, se8 Fig 328.5.40

FIG 304.3.3 BRANCH CONNECTION NOMENCLATURE

+ +

durability

capacity provided

unaffected relieving

required relieving capacity

C

Auxiliary Materials

When selecting materials

adhesives, cements,

solvents, solders, brazing materials, packing,

handled.)

jae, CUES Oot

“*ASME B16.14

*ASME B16.15

*ASME B16.18

Flanged Fittings,

"ốc

*ASME B16.24

—ố=

*ASME B16.26

*ASME 816.28

wees

*ASME B16.34

*ASME B16.39

*ASME B16.42

*ASME B16.47

Ductile-Iron

Gray-Iron Threaded Flanges