asme sec ix flashcards _ quizlet

4/12/2014 ASME Sec IX flashcards | Quizlet

http://quizlet.com/31267152/asme-sec-ix-flash-cards/ 1/10

Created by kellaminspection

116 terms · Welding, Brazing, and Fusing Qualifications

What is a welding procedure specification? a written document that provides direction

to the welder for making production welds

in accordance with the code requirements.

(QW-100.1)

The purpose for qualification of a WPS ? to determine that the weldment proposed

for construction is capable of providing the

required properties for its intended

application. QW-100.1

In performance qualification, what is the

basic criterion established for welder

qualification?

QW-100.2 defines the basic criterion

established for welder qualification is to

determine the welders ability to deposit

sound weld metal. The basic criterion to

establish for welding qualification is to

determine the welding operators

mechanical ability to operate the welding

equipment.

Which of the following test positions

designates overhead welding without

rotation?

4F

Which of the following test positions

requires the coupon to be held at a 45%

angle

1F

Which of the following test is performed to

determine the ultimate strength of groove

weld joints?

Tension test (QW-141.1)

What may be substituted for mechanical

testing for groove weld performance

qualifications prove the ability of welding

operators to make sound welds.

Radiographic examinations and ultrasonic

examination may be substituted. (QW-143)

What minimum thickness may require

multiple reduced section plate tension test

specimens for WPS Qualification's?

When test coupons are over one inch

25mm thick multiple tension test specimens

me be taken at each location according to

the rules of QW-151.1 for plate QW-151.2

for pipe and qw-151.3 for turned

Specimens. QW-151.1(b)

http://quizlet.com/kellaminspection

http://quizlet.com/



As part of a welding procedure

qualification, a tensile test is performed on

SA-333 grade 6 plate normalized and

tempered with an allowable stress of

17,100 psi. the test specimen was 0.550 in.

70,100 psi . what was the width of the

tensile test specimen?

0.998in ? (QW-152, QW-462.1)

As part of a welding procedure

qualification, a tensile test performed on

SA-335 grade P1 pipe. The test specimen

was 0.75" wide and 0.75 in thick. The

specimen broke in the base metal outside of

the weld and weld interface what is the

minimum acceptable tensile strength for the

WPS qualifications.

SA-335 grade P1 55ksi 0.95x55 ksi = 52.25

Ksi (QW-152)

A guided bend specimen that has an open

discontinuity in the heat affected zone on

the convex surface of the specimen after

bending that measures 5/32 in length. What

should the inspector do?

Fails test open discontinuity in the weld or

heat effected zone greater than 1/8" the

test fails. QW-163

A guided bend specimen that has an open

discontinuity on the corner of the convex

surface of the specimen after bending that

measures 5/32" in length. What should the

inspector do?

Inspect further for evidence of lack of

fusion, slag inclusions, or other internal

discontinuities. QW-163

Which testing standard shall Charpy V-

Notch impact test conform to for WPS

qualifications?

ASME SA-370 QW-171.1

What magnification is used when

performing a filet weld test macro

examination during procedures or

performance qualifications ?

At a specified low magnification? QW/QB-

492

When is incomplete fusion defined as a

radiographic linear indications?

When the length is more than 3 times the

width. QW.191.1.2.1(a)

What is the minimum specified tensile

strength of ASME SA-516 grade 70

70 Ksi

What is the nominal composition of ASME

SA-333 grade 6?

C-Mn-Si steel

What is the F-No of SFA-5.1 classification

E6020?

F-No. 1



What is the F-No. of SFA-5.5 classification

E8018-B3L, Low alloy steel electrodes for

shield metal arc welding.

F-No. 4

What is the A-No. when welding SA-240

grade 304L using SFA 5.4 classification

E309L (austenitic stainless steel 18CR-8Ni)

filler metal?

(A-No. 8) - SA-240 grade 304L has a

nominal composition of (18Cr-8Ni) on

QW/QB 422 cross reference QW-442 A-

numbers with analysis % to get A#

What would be the A-No. when welding an

ASME SA-105 flange grade B pip, using

and AWS A 5.1 E7018 electrode?

(A-No.1) SA-105 flange has a nominal

composition of C and 106 has a

composition of C-Si. ) on QW/QB 422

cross reference QW-442 A- numbers with

analysis % to get A#

What would be the A-No. When welding

ASME SA-312 type TP 316 pipe using an

AWS A 5.4 E316 electrode?

(A-No. 8) SA-312 as a nominal

composition of 16 Cr-21Ni-2Mo. on

QW/QB 422 cross reference QW-442 A-

numbers with analysis % to get A#

What shall the WPS include when notch

toughness requirements are not mandatory?

All essential and nonessential variables.

QW-200.1b

What changes may be made to a qualified

WPS without the need to re-qualify it?

Nonessential variable may be changed for

each process provided the WPS is

amended or by use of a new WPS QW-

200.1c

What shall the PQR include when notch

toughness requirements are not mandatory

?

All essential variables QW-200.2b

Which document or documents shall be

certified as part of a qualifying a welding

procedure and welder / welding operator

performance?

PQR QW-200.2b

For a SMAW WPS, what type of WPS

variable is a change in P-No. qualified?

Essential (QW-253, QW-403.1.1)

For a SMAW WPS, what type of WPS

variable is a change in the electrode

classification with in an SFA specification

(ie. , no notch toughness testing)?

Nonessential ( QW-253,QW-403.33)

What is the purpose of the welder

performance qualification?

To ensure that the manufacturer has

determined that his welders using his

procedures are capable of developing the

minimum requirements specified for and

acceptable weldment. (QW-300.2(a)



What is the intent of the performance

qualification test?

To determine the ability of the welders and

welding operators to make sound welds.

(QW-301.1)

What shall the record of WPQ test

include?

All essential variables. (QW-301.4)

When a welding operator is qualified by

volumetric NDE, what is the minimum

length of the coupon to be examined?

6 inches (QW-302.2)

Welders and welding operators whose

qualifications coupons has failed the

volumetric NDE may take a re-test

consisting of what number and length of

pipe?

2 pipes for a total of 12in (300mm) (QW-

321.3(a)

When does a welder's ASME Sec. IX

qualification expire?

When the welder has not welded with a

process during a period of 6 months or

more. QW-322.1(a)

How many renewal tests must a welder or

welding operator's perform when renewing

previous ASME Sec. IX qualifications for a

welding process for each material,

thickness, diameter, position, and other

variables for which they were previously

qualified?

1 QW-322.2(a)

Which of the following is not required to be

included on an Alberta welder's

performance qualification card?

Base material range, WPS registration

number, WPS/PQR numbers. PWR 6(a-1)

When does a welder's performance

qualification expire according to the Alberta

Pressure Welders Regulation?

On the date stated on the card, but must be

no later than 24 months following the date it

is issued. PWR 8(5)(6)

What type of WPQ variable is a change in

pipe diameter beyond the range qualified

for saw?

Essential variable (QW-354)

What type of variable is a change in F-No.

for welder performance qualification when

using SAW and GTAW?

Essential variable (QW350,Tbl QW-416)

What type of variable is a change from

downward to upward in the progression

specified for a vertical weld pass for

welder performance qualifications when

using SAW?

Not listed as a variable in Sec. IX

(QW350,Tbl QW-416)



Table (QW-451) For a SMAW PQR

groove weld pipe test coupon 5/8"

thickness, P-No. 1 base metal, in the 6g

position, with a single pass weld and a 250

degree preheat and 1100 degree PWHT,

what is the maximum WPS thickness of the

base metal that can be qualified ? (Round

to the nearest 0.001 in)

3/16 in to 0.688 in QW-451, QW-403.9 for

single pass or multipass welding in which

any pass is greater than ½ in (13mm) thick,

an increase in base metal thickness beyond

1.1 times that of the qualification test

coupon. Since a single pass weld is made

that is greater than ½" then QW-403.9 in

Note 1 must be applied. With T= 5/8 in or

0.625 in and applying QW-403.10 with a

maximum qualified thickness of 1.1 T, then

the maximum qualified WPS thickness

become 1.1 x 0.625in. = 0.688"

Table (QW-451) For a SAW PQR groove

weld plate test coupon 5/8 in . thickness, P-

No.3 to P-No. 3 base metal with a 250 deg

and a normalizing PWHT, what is the WPS

thickness range of base metal that can be

qualified?

3/16in to 0.688 in. (QW-451, QW-407.4)

QW-407 for ferrous base materials other

than P-7, P-No. 8 and p-No.45 when a

procedure qualification test coupon

receives a postweld heat treatment

exceeding the upper transformation

temperature, the maximum qualified base

metal thickness T shall not exceed 1.1

times the thickness of the test coupon.

NOT 2 times as in the chart.

(QW-452.1) A welder welds an NPS 6

Schedule 80 test coupon that is 0.432 in.

thick. He uses one welding process, one set

of essential variables, and deposits three

layers of weld metal in that test coupon. Is

that welder qualified to weld the qualified

WPS " maximum to be welded?

No, the nominal coupon thickness must be

at least ½ inch thick in order for a welder

to be qualified for " maximum to be

welded" QW-452.1(b) Inter IX-01-27

Can a double beveled plat, 1 inch thick with

each beveled grove being of ½, be welded

by a welder qualified to weld a weld metal

deposit of 0.864 in?

No, since the welder is only qualified to

weld up to 0.864 inch and the deposited

weld metal for this joint would be 1 inch.

QW-452.1(b) Inter IX-83-90

QW-452.1(a) table what test must be

performed to qualify a welder performance

coupon that has a diameter of NPS 4 and is

½" thick?

Either 2 side bends or from Note (3) one

face and 1 root bend. QW-452.1(a)

452.3 table What is the qualified diameter

range for a welder performance groove

weld coupon that has a diameter of NPS 4

and is welded using SMAW?

2-7/8 in to unlimited. QW-452.3 note B 2

7/8 in O.D is the equivalent to NPS 2 ½



What are the qualified position(s) from a

pipe groove weld performance test in 2G

and 5 G position, using SMAW for fillet

weld plate and pipe intended for low

temperature service?

All positions (QW-261.9)

What is a ferrous material? Metals and alloys that contain iron as the

principle component

Wrought iron is? A mixture of low carbon steel with steel

making slag.

What is the typical carbon content of cast

iron?

2% to 4%

After hot rolling a slab to make a plate it

becomes a:

finished product with dimensional tolerance

requirements.

What is the maximum carbon (C) content

of carbon steel?

Less than 2%

What is the maximum manganese (Mn)

content of carbon steel?

1.65% Mn

Which of the following is a rimmed steel? Steel with no deoxidant added

Which of the following is killed steel? Fully deoxidized steel.

Nonmetallic inclusions can be classified as? Exogenous and indigenous

Which of the following defines a residual

element in steel ?

A specified or unspecified element, not

intentionally added, originating in the raw

materials, refractories, or surrounding

atmospheres used in steel making.

Which of the following is not increased

with increasing carbon content in steels?

Weldability

Which of the following is used as a

deoxidizer in carbon steels?

Si

Which of the following is used for

deoxidation and for control of grain size?

AL

Which of the following is not a ferrite

stabilizer?

Ni

Which of the following will maximize the

hardenability of carbon steel based on mass

percent?

Mo

An example of a low alloy steel is? Steel with a mimimum requirement of

0.10% Cr.



Example of a high strength low-alloy steel

is steel with a minimum requirement of:

0.10% Cr and MSYS of 40 Ksi

Example of an alloy steel is a steel with a

minimum requirement of:

0.30% Cr.

Stainless steel has? A minimum requirement of 10.5% Cr.

When the term annealing is used without

qualification, which of the following does it

imply?

Fully annealing

Which heat treatment involves austenitizing

followed slow cooling air to a temperature

substantially below the transfer range?

Normalizing

What is the purpose of austenitization when

annealing or normalizing a carbon steel?

To dissolve all carbon into a solid solution.

When is tempering heat treatment for alloy

steel commonly performed?

After normalizing , after austenitizing,

followed by quenching.

At what temperature is post weld treatment

of carbon and alloy steels most commonly

performed?

Below the lower critical temperature.

An ASTM E112 grain size No7 has? Has 64 grains/in2 at 100x magnification

In carbon steels, as the austenitizing

temperature increases?

Grain growth occurs.

What is the thickness requirements for

ASTM A 516 plates when they are

supplied in the as rolled condition?

40 mm and under

Which of the following would not meet the

requirement for ASTM A516 grade 70?

Made to a coarse austenitic grain size

practice.

What is anisotropic behavior in metals? Mechanical properties heterogeneity

Components made up of single crystals? Usually involve highly directional cooling.

When does a steel become anisotropic? After cold working .

Which of the following statement is

correct?

FCC (face centered cubic) structure has a

higher density than Bcc (body centered

cubic) structure.

Which of the following are lattice

imperfections?

Dislocations, stacking faults, point defects,

lattice vacancies.

What is a microstructure of steel? The structure of a suitably prepared

specimen as reveled by a microscope.



Ferrite at room temperature is commonly

assigned to which of the following iron

designations containing alloying elements in

solid solution?

Alpha Iron

Austenite is a fcc solution of ? Carbon or other elements in gamma iron

Which microstructure consists of

alternating lamellae of cementite and

ferrite?

Pearlite

Which of the following phases is located

directly above the eutectoid temperature in

the Fe-Fe3FC phase diagram.

Austenite

Which of the following terms is not used in

the Fe-Fe3C phase diagram?

Martensite

What elements in steel is the most

important factor in determining hardness

and hardenability ?

Carbon

What are three mechanisms by which heat

can be transferred from the weld metal?

Conduction, convection, radiation.

Which of the following lowers thermal

conductivity and melting temperatures of

pure metal?

Adding alloying elements

How is thermal conductivity effected by

the additions of alloying elements to a

steel?

Decreases thermal conductivity.

What is the part of a weld that did not mix

the melted base metal with the added filler

weld metal?

Unmixed zone.

Where is the largest temperature gradient

in a weldment located?

From the weld centerline to the BMZ

What term describes the process by which

the liquid metal initially solidifies at the

crystalline base metal into the same unit

cell arrangement?

Epitaxial solidification

Which of the following is solidification

structure found in weld metal?

Columnar dendritic

During the weld metal solidification

process, which is the following problems

can occur?

Cracking, porosity, localized embrittlement,

abnormal weld appearance.



The detrimental effects of cooling arrest in

carbon steel typically occurs at what

temperature?

Approximately above 500 deg F

When a localized area in steel HAZ is a

mixture of hardened and unhardened

microstructure the steel is said to be?

Semi hardened

What is the critical cooling rate of a

weldment?

The slowest rate at which a given

austenitized steel can be cooled and not

form undesirable microstructures.

When is postweld heat treatment

performed?

Immediately after welding

Which of the following is the primary cause

of a weld metal crack?

When stresses from welding exceed the

tensile strength of the metal

When should final inspection be performed

of critical welds on high strength steels?

24 to 72 hours welding, with NDE, to look

for hydrogen related cracking.

Which code must welding electrodes, filler

metal and consumables inserts be

conformed to, for ASME B31.1 piping

systems?

ASME Sec II Part C (127.2.1)

What are the ASME B31.1 quality

requirements for ferrous metal backing

rings used with process piping?

Shall be of wieldable quality with a sulfur

content not exceeding 0.05% (127.2.2a)

Which areas of an ASME B31.1 weld shall

be clean and free from paint and, oil, rust,

scale and other materials that would be

detrimental to either the weld or the base

metal when heat is applied?

Surfaces for welding. (127.39B)

What are the ASME B31.1 tolerance limits

for the root opening of the joint for process

piping?

Shall be within the tolerance limits in the

WPS (127.3D)

The weld joint fit up gap between the end

of a pipe and the bottom of the socket used

in ASME B31.1 power piping shall be

approximately ?

1/16" (127.3E)

When is welding prohibited on new ASME

B31.1 power piping welds?

If there is impingement on the weld area of

high wind, if the weld area is frosted, if the

weld area is wet.(127.4b)

When is The ASME B31.1 requirements

for tack welds at the root of the joint?

Shall be made with filler metal equivalent to

that used in the first pass and made by a

qualified welder. (127.4.1 c )



What are the requirements for seal welding

ASME B31.1 power piping?

Seal welding shall be done by a qualified

welder and shall cover all exposed threads.

What is the ASME B31.1 maximum weld

reinforcement for a girth weld pipe joint

with nominal thickness of 0.750 inch design

temperature of 350 deg f

3/16"

What examination technique shall be used

for repairs to welds during ASME B31.1

piping fabrication?

The same method that revealed the defect

in the original weld.

Who is responsible for ASME B31.1 piping

welding done by personnel and shall

conduct the test requirements to qualify or

re-qualify welders and operators.

Each employer.

For new ASME B31.1 pipe welding, what

is the size of the preheat zone?

in all directions from the point of welding

for a distance of 3 in. (131.1)

When two materials with different P-Nos.

are welded according to ASME B31.1,

what shall be the

minimum required preheat temperature?

the higher temperature for the material to

be welded (131.2)

What is the B31.1 preheat requirement for

NPS 10, Schedule 80 (0.594 in.), ASTM A

335/A 335M

Grade P1 seamless piping material when

welding at an ambient temperature of 0°F?

175 deg f (131.4.3)

What are the ASME B31.1 PWHT

requirements for 10 in. O.D., Schedule 80

(0.594 in.), ASTM A

335/A 335M Grade P22 seamless piping

material?

metal temperature range is 1,300-1,400°F;

the minimum holding time is 36 minutes

asme sec ix flashcards _ quizlet

Documents