AS NZS 3992-1998 Amdt 1-2000 Pressure equipment - Welding and brazing qualification.pdf

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AS/NZS 3992:1998/Amdt 1:2000 Pressure equipment - Welding and brazing qualification

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AS/ NZS 3992/Amdt 1/2000-04-28

STANDARDS AUSTRALIA/ STANDARDS NEW ZEALAND Amendment No. 1 to AS/NZS 3992:1998 Pressure equipment—Welding and brazing qualification

REVISED TEXT The 1998 edition of AS/ NZS 3992 is amended as follows; the amendments should be inserted in the appropriate place. SUMMARY :

This Amendment applies to Clauses 1.4.12 and 2.1, Tables 2.1, 5.2 to 5.4 and 6.1, Clauses 7.4.2 and 7.7.1, Tables 7.1 and 7.2, Clauses 7.8.2, 8.2.2, 9.2 and 9.7, Tables 9.1 and 10.1 and Appendices B and C.

. d e t i b i h o r p k r o w t e n n o e s u r o n o i t u b i r t s i d , e g a r o t S . y l n o e c n e c i l r e s u l a n o s r e p r e s u 1 . 4 0 0 2 l u J 0 3 n o o n o r G W n h o J r M o t d e s n e c i L

Published on 28 April 2000. Approved for publication in New Zealand on behalf of the Standards Council of New Zealand on 3 April 2000. AMDT No. 1 APR. 2000

Page 9 Clause 1.4.12 Note, delete Note and substitute the following: NOTE: This definition is intended to include the use of prequalified welding procedures as detailed in Section 2.

AMDT No. 1 APR. 2000

Page 10 Clause 2.1


Page 10 Table 2.1

Item (c) delete ‘; and’ and substitute ‘but not Table 5.4 which does not apply to prequalified procedures; and’.

Second column, second line, delete ‘effective’ and ‘(see Table 5.1)’.

ISBN 0 7337 3316 6


Page 21 Table 5.2 Del ete Table

5.2 but not Notes and substitute the following:

Material group(s) of original qualified welding procedure

Other material groups or combinations of steel groups (see Note 1)

A1 to A1

A1 to A2 (see Note 2(b); A2 to A2 (see Note 2)

A1 to A2

A1 to A1; A2 to A2 (see Note 2)

A2 to A2

A1 to A1; A1 to A2

A3 to A1, A2 or A3

Nil

B to B B to A2 or A1

B to A2 or A1 C to C

C to B, A2 or A1

C to B, A2 or A1


D1 to D1

D1 to D2 (Note 3), D1 to C

D2 to D2 (Note 3)

D2 (Note 2) to C, B, A2 or A1 (Note 4)

D2 to C, B, A2 K to A1, A2, B, C, D1 or D2


K to any lower ferritic steel group provided nickel based alloy welding consumables are used (see Table 5.5)

Pages 22-23 Table 5.3 1 2

Material Group ‘A1’, third column, insert ‘ASTM A 106B’.

Delete row

for material Group D2 and substitute the following:

D2

2¼Cr-1Mo

5A

1

5Cr-½Mo; 9Cr-1Mo; 9Cr-1Mo-V

5B

1 1 2

Material Group ‘H’, third column, insert ‘12Cr-1Mo-V(W)’.

3 4

Alloy steel (3 ≤ total alloy <10)

Insert new

material group following Ti 52 as follows:

Zirconium


Zr 61

Unalloyed Zr

99.0 Zr

61

—

Zr 62

Alloyed Zr

95.5 Zr-2.5 Nb

62

—

Page 23 Table 5.4 Item 4, second column, delete text and substitute the following: Single or multi-run manual metal-arc (except for Item 2), submerged arc, gas-tungsten arc, gas metalarc welding (except short-circuiting arc transfer) and flux cored-arc welding.


Page 33 Table 6.1 1

For test specimen ‘Face bend’, in columns 2 and 4 delete the number ‘1’.

2

Note 11, delete Note and substitute the following: 11



Refer to Figure 7.1 for location, size and number of test specimens.

Page 34 Notes to Table 6.1 Note 14, delete Note and substitute the following: 14

Single-sided welds require one face bend test and double-sided welds require one bend test for each side.

Page 39 Clause 7.4.2 Ins ert new

paragraph after the second paragraph as follows:

Where the transverse tensile test uses multiple test specimens to represent the full test piece and one test specimen fails, the test may be repeated with a full thickness test piece. . d e t i b i h o r p k r o w t e n n o e s u r o n o i t u b i r t s i d , e g a r o t S . y l n o e c n e c i l r e s u l a n o s r e p r e s u 1 . 4 0 0 2 l u J 0 3 n o o n o r G W n h o J r M o t d e s n e c i L



Page 41 Table 7.1 Ins ert the

Zr 61

Unalloyed Zr

10 t

Zr 62

Alloyed Zr

10 t

Page 42 Clause 7.7.1 Del ete Item

(e)


following at the end of Table 7.1:

(e) and substitute the following:

Where impact testing is required in accordance with Note 2(b) to Table 10.1 of this Standard, the test temperature shall be as specified in Note 2(b) to Table 10.1.

Page 44 Table 7.2 1

Material Group ‘K’, Type ‘Austenitic Cr-Ni steel (except steels to Note 7)’, delete ‘(except steels to Note 7)’ and substitute ‘(except steels to Note 6)’.

2

Material Group ‘K’, Type ‘Austenitic Cr-Ni steel (Note 7)’, delete ‘(Note 7)’ and substitute ‘(Note 6)’.


Page 45 Table 7.2


Page 46 Clause 7.8.2

Note 7, Item (a), delete ‘; and’ and substitute ‘or welds without filler metal are made between 304, 304L, 316, 316L, 321 and 347 materials; and’.

After Item (b), insert new paragraph as follows: Excess weld reinforcement or penetration shall not be cause for rejection of a welding procedure test but shall be reported.


Page 49 Clause 8.2.2 Add new

(c)

Item (c) as follows:

A reduction in the number of layers of weld metal.


Page 52 Clause 9.2 1

Item (e), delete ‘The first production weld’ and production weld or a complete pipe weld’.

2

Add new

(f)


substitute

‘Part of the first

Item (f) as follows:

The length of weld examined in a production weld or test piece shall be at least 300 mm or the circumference of a pipe weld, whichever is less.

Page 53 Clause 9.7 1

Insert new

second paragraph as follows:

Where the failure of a welder qualification is determined by radiographic or ultrasonic examination of a test piece or production weld, an additional test piece or production weld shall be made and examined in accordance with the requirements of Clause 9.5. 2



Second last and last paragraphs, first line, after ‘the additional test’, ‘specimens’ and substitute ‘specimens, test piece or production weld’.

delete

Page 54 Table 9.1 1

Second column, Item 5: Second line, delete ‘specimen’ and substitute ‘test piece’ and delete ‘20 mm’ and substitute ‘10 mm’ (twice).

2

Se cond c olumn, delete Item 6 and substitute the following: Requalification is required when the pipe outside diameter is smaller than the following values: (a)

D where D <

(b)

25 mm where 25

(c)

73 mm where

D =

25 mm. ≤ D <

D ≥ 73

73 mm.

mm.

outside diameter of the welder’s test pipe.

NOTE: Requalification is not required for pipe diameters greater than the welder’s test pipe. AMDT No. 1 APR. 2000

Page 58 Table 10.1


Page 81 Paragraph B2, Appendix B


Page 82 Figure B1, Appendix B


Page 83

Note 2(b), delete ‘Table 2.6.2(b)’ and substitute ‘Table 2.6.2’.

Item (o), add last sentence ‘Where a welding procedure is prequalified, insert ‘prequalified’ for the welding procedure number in the last paragraph of Figure B1’.

Heading of Column 1 in Table, delete ‘Testing location’ and substitute ‘Pass number’. Paragraph C2, Appendix C

Item (h), insert new last sentence as follows: Show the deposit thickness for each process for multiple pass process.


Page 84 Figure C1, Appendix C Del ete figure

and substitute the following:

PROCEDURE QUALIFICATION RECORD (PQR) Company name

Address

Shop

Welder Date of test

Site

Welding procedure No. Weld type

Material specification

Weld position

Group No.

........... . to ........... .

(Material thickness) Pipe

Plate Pipe OD

mm mm mm

Thickness range qualified

. . . . . . . . . . mm to . . . . . . . . . . mm

Joint details Root opening . . . . . . . . . . . Root face . . . . . . . . . . . . . Groove angle . . . . . . . . . . . Interrun cleaning . . . . . . . . .

. . . .

.... .... .... ....

. . . . .

. . . . .

Thermal treatment Heat No. . . . . . . . . . . . . . . . . . . Plate No. . . . . . . . . . . . . . . . . . . Joint detail (sketch)


Preheat . . . . Max. interrun PWHT . . . . . Heating rate . Cooling rate .

Pass sequence (sketch) Show deposit thickness for each process used

. . . . .

.. .. .. .. ..

........ ....... . ........ .... .... ........

°C . °C . °C .. . ...

Welding details Layer No.

Runs per Welding layer process

Electrode diameter

Electrode Classification

Amps

Travel Current Flux or speed type and shielding mm/min polarity gas

Volts

NDE tests and test certificate reference

Additional details

Arc energy kJ/mm

Mechanical tests and test certificate reference

Test Cert. Ref. Electrode stickout .......

mm

Shielding gas flow rate

......

Other

...........

L/min

Vi su al RT . . UT . . MT . . PT . .

. . . .

. . . . .

. . .. .. .. . .

. . . . .

. . . . .

.. .. .. .. ..

. . . . .

.. . ... ... ... .. .

.. .. .. .. ..

. . .. .. .. . .

Transverse tensile All-weld tensile . . B en ds . . . . . . . . Impacts . . . . . . . M ac ro . . .. . .. . Hardness . . . . . . Other . . . . . . . . .

. . . . . .

. . .. . . .. . . .. ..

.. . ... .. . . .. .. . ... .. .

. . . . . . .

. . . . . . .

Notes The statements in this record are correct. The test welds were prepared, welded and tested in accordance with the requirements of AS/NZS 3992. Fabricator . . . . . . . . . . . . Position Dat e

. . . . . . . . . . . . (signed) Witnessed by . . . . . . . . . . . . . . . . . . . . . . . (signed)

................................. . . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . ..

FIGURE C1

Organization Da te

.............................

. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . ..

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