Codes & Standards[1]

8/13/2019 Codes & Standards[1]

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Orientation ProgramOrientation Programonon

ASME Sec. IXASME Sec. IX

Boiler & Pressure VesselBoiler & Pressure Vessel

CodeCode


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ASMEASME

Boiler & Pressure Vessel CodeBoiler & Pressure Vessel Code Construction CodeConstruction Code

- Section I, Power Boilers- Section I, Power Boilers

- Section VIII, Div 1 Pressure Vessel Code- Section VIII, Div 1 Pressure Vessel Code

Reference CodeReference Code

- Section II, Materials- Section II, Materials- Section IX, Welding Bra!ing "ualification- Section IX, Welding Bra!ing "ualification

- Section V, #ondestructive $%a&ination- Section V, #ondestructive $%a&ination


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ASMEASME

Boiler & Pressure Vessel CodeBoiler & Pressure Vessel Code Construction codes To which an item isConstruction codes To which an item is

manufactured.manufactured. Reference codes These codes are referredReference codes These codes are referred

by Construction code. They are used onlyby Construction code. They are used only

when, and as referenced by the constructionwhen, and as referenced by the construction

codes.codes.


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ASMEASME

Boiler & Pressure Vessel CodeBoiler & Pressure Vessel Code 'SM$ codes are written, revised and inter(reted )* t+e'SM$ codes are written, revised and inter(reted )* t+e

co&&ittee (rocessco&&ittee (rocess

' revision in code is a c+ange to t+e (revious' revision in code is a c+ange to t+e (revious

reuire&entsreuire&ents

.+eir use is o(tional u(on issuance, )ut )eco&e.+eir use is o(tional u(on issuance, )ut )eco&e

&andator* si% &ont+s after issuance /0ul*1 .+ese&andator* si% &ont+s after issuance /0ul*1 .+ese

revisions are called 2'ddenda3 /Colour s+eetsrevisions are called 2'ddenda3 /Colour s+eets


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ASMEASME

Boiler & Pressure Vessel CodeBoiler & Pressure Vessel Code #ew $dition will )e issued once in ever* t+ree *ears#ew $dition will )e issued once in ever* t+ree *ears

si&(l* incor(orating t+e (revious editions wit+ all itssi&(l* incor(orating t+e (revious editions wit+ all its

addenda - /W+ite (agesaddenda - /W+ite (ages

Code case 4 Boiler Pressure Vessel Co&&ittee &eetsCode case 4 Boiler Pressure Vessel Co&&ittee &eets

regularl* to consider (ro(osed additions and revisions toregularl* to consider (ro(osed additions and revisions to

for&ulate cases to clarif* t+e intents of t+e e%istingfor&ulate cases to clarif* t+e intents of t+e e%isting

reuire&ents .+eir use is not &andator* )ut if used,reuire&ents .+eir use is not &andator* )ut if used,

&ust a((l* all of t+e reuire&ents and identif* t+e use of&ust a((l* all of t+e reuire&ents and identif* t+e use of

code case on t+e data re(ortcode case on t+e data re(ort


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ASMEASME

Boiler & Pressure Vessel CodeBoiler & Pressure Vessel Code Inter(retations 4official o(inions issued )* t+e 'SM$ w+ic+Inter(retations 4official o(inions issued )* t+e 'SM$ w+ic+

clarif* t+e intent of t+e code )ased on t+e uestion as5edclarif* t+e intent of t+e code )ased on t+e uestion as5ed

Inter(retations cannot )e given on ite&s outside t+e sco(e ofInter(retations cannot )e given on ite&s outside t+e sco(e of

t+e codet+e code

6(inion 4 are unofficial inter(retations on t+e intent of t+e code6(inion 4 are unofficial inter(retations on t+e intent of t+e code

and it &a* )e given )*and it &a* )e given )*

#ational Board of Boiler Pressure vessel Ins(ectors#ational Board of Boiler Pressure vessel Ins(ectors'ut+ori!ed Ins(ection 'gencies'ut+ori!ed Ins(ection 'gencies

'SM$ &e&)ers wit+out an* letter follow u('SM$ &e&)ers wit+out an* letter follow u(


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ASME Sec .IXASME Sec .IX

Welding & Brazing QualiicationWelding & Brazing Qualiication Part "W 4 Welding Part "B - Bra!ingPart "W 4 Welding Part "B - Bra!ing

'rticle I7 Welding 8eneral Reuire&ents'rticle I7 Welding 8eneral Reuire&ents

'rticle II 7 Welding Procedure "ualification'rticle II 7 Welding Procedure "ualification

'rticle III7 Welding Perfor&ance ualification'rticle III7 Welding Perfor&ance ualification

'rticle IV7 Welding Data'rticle IV7 Welding Data 'rticle V7 Standard Welding Procedure'rticle V7 Standard Welding Procedure

S(ecificationS(ecification


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WPS Welding Procedure Specification (W !"".#$WPS Welding Procedure Specification (W !"".#$

PR Procedure ualification Record (W !"".#$PR Procedure ualification Record (W !"".#$

WP % Welding Performance ualification (W &"".#$WP % Welding Performance ualification (W &"".#$


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Welding Procedure SpecificationWelding Procedure Specification

WPS is a written document that providesWPS is a written document that provides

direction to the welder or welding operator fordirection to the welder or welding operator for

making production welds in accordance withmaking production welds in accordance with

code requirements.code requirements.

The purpose for qualification is to determineThe purpose for qualification is to determinethat the weld ment proposed for constructionthat the weld ment proposed for construction

is capable of providing the required propertiesis capable of providing the required properties

for its intended application.for its intended application.

The Welding Procedure QualificationThe Welding Procedure Qualificationestablishes the properties of the weldmentestablishes the properties of the weldment

not the skill of the welder or welding operator.not the skill of the welder or welding operator.


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Welding Procedure SpecificationWelding Procedure Specification

Any WPS must be qualified by theAny WPS must be qualified by the

manufacturer.manufacturer.

WPS specifies the condition ranges!WPS specifies the condition ranges!

under which welding must beunder which welding must be

performed called variables.performed called variables.

WPS addresses essential"WPS addresses essential"

supplementary essential and nonsupplementary essential and non

essential variablesessential variables


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Procedure Qualification RecordProcedure Qualification Record

PQ# documents what occurred duringPQ# documents what occurred during

welding the test coupon and thewelding the test coupon and the

results of testing the coupon.results of testing the coupon.

PQ# documents the essentialPQ# documents the essentialvariables and other specificvariables and other specific

information and the results of theinformation and the results of the

required testing. $n addition" whenrequired testing. $n addition" when

notch toughness is required fornotch toughness is required for

procedure qualification" the applicableprocedure qualification" the applicable

supplementary essential variablessupplementary essential variables

shall be recorded.shall be recorded.


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Base Metal ClassificationBase Metal Classification

P nos depend on composition" weldability %P nos depend on composition" weldability %

mechanical properties.mechanical properties.

&roup no. are sub set of P number that are&roup no. are sub set of P number that are

used when WPS are required to be qualifiedused when WPS are required to be qualifiedby impact testing" essentially on chemical %by impact testing" essentially on chemical %

'ech" Properties.'ech" Properties.

P( ) P((P( ) P(( SteelSteel

P*( ) P*+P*( ) P*+ Al alloysAl alloys

P,( ) P,+P,( ) P,+ -u alloys-u alloys

P( ) P/P( ) P/ 0i alloys0i alloys

P+( ) P+,P+( ) P+, Ti alloysTi alloys


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'ase etal Classification W )!!'ase etal Classification W )!!

P(P( - Steel- Steel

P,P, (3* 'o steels(3* 'o steels

PP ( -r (3* 'o steels( -r (3* 'o steels P+AP+A * (3 -r ( 'o steels* (3 -r ( 'o steels

P+4 &r. ( 5 + -r ( 'o steelsP+4 &r. ( 5 + -r ( 'o steels

P+4 &r.*P+4 &r.*

#evised as P(+ 6 &r. (! 7 -r ( 'o Steel#evised as P(+ 6 &r. (! 7 -r ( 'o Steel P1P1 'artensitic Stainless steel'artensitic Stainless steel

P/P/ 8erritic Stainless Steel8erritic Stainless Steel

P9P9 Austenitic stainless steelAustenitic stainless steel


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*iller etal * +umbers (W )&!$*iller etal * +umbers (W )&!$

8 : 0umber is grouping of AWS8 : 0umber is grouping of AWS

6lectrode classification : based on6lectrode classification : based on

usability characteristicsusability characteristics 8(8( 6 ;;* SS

8181 4are solid rods4are solid rods


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Weld 'etal -ompositionWeld 'etal -omposition

A)0o. QW *!A)0o. QW *!

A!A! Mild steel Mild steel

A"A" C # Mo steelC # Mo steel

A$A$

Cr # Mo steel %Cr .' # "()Cr # Mo steel %Cr .' # "()

A'A' Cr # Mo steel %Cr " # *()Cr # Mo steel %Cr " # *()

A+A+ Cr # Mo steel %Cr * # !.+()Cr # Mo steel %Cr * # !.+()

A*A* Cr MartensiticCr Martensitic

A,A, Cr -erriticCr -erritic AA Cr /i steelsCr /i steels %Cr !'.+ # $( /i ,.+ # !+()%Cr !'.+ # $( /i ,.+ # !+()


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Perormance QualiicationPerormance Qualiication The basic criterion for welder?s qualification is toThe basic criterion for welder?s qualification is to

determine the welder?s ability to deposit sounddetermine the welder?s ability to deposit sound

weld metal.weld metal.

The purpose of performance qualification test is toThe purpose of performance qualification test is to

determine the welding operator?s mechanicaldetermine the welding operator?s mechanicalability to operate the welding equipment.ability to operate the welding equipment.

6ach Welder 3 Welding @perator is limited by the6ach Welder 3 Welding @perator is limited by the

essential variables QW ,+< % QW ,1

e may be qualified by radiographic of teste may be qualified by radiographic of testcoupon" radiography of his initial Qualificationcoupon" radiography of his initial Qualification

e>cept for &'AW)S! or by bend test.e>cept for &'AW)S! or by bend test.


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