NAVSEA S9074 AQ GIB 010/248 : 0
Current
The latest, up-to-date edition.
REQUIREMENTS FOR WELDING AND BRAZING PROCEDURE AND PERFORMANCE QUALIFICATION
Hardcopy
English
01-01-1995
1.SCOPE
1.1 Scope
2. REFERENCED DOCUMENTS
2.1 Government documents
2.2 Other publications
2.3 Order of precedence
3. DEFINITIONS
3.1 Terms related to both welding and brazing
3.2 Terms related to welding
3.3 Terms related to brazing
4. WELDING PROCEDURE QUALIFICATION
4.1 Scope
4.2 General requirements
4.3 Written welding procedure content
4.4 Specific qualification requirements
4.5 Evaluation of procedure qualification weldments
4.6 Data accumulation and reporting for procedure
qualification
4.7 Changes requiring level I requalification of procedure
4.8 Procedure changes requiring level II requalification
5. WELDING PERFORMANCE QUALIFICATION
5.1 Scope
5.2 General requirements
5.3 Performance qualification test requirements
5.4 Test and evaluation of qualification test assemblies
5.5 Data accumulation and records
5.6 Changes requiring requalification of welder or welding
operator
6. BRAZING
6.1 Scope
6.2 General requirements
6.3 Brazing procedure qualification
6.4 Brazer and brazing operator performance qualification
7. NOTES
7.1 Cancelled specifications
Table I Grouping of base materials (welding)
Table II Grouping of filler materials (welding)
Table III Grouping of base/filler materials for welding
procedure cross-qualification
Table IV Welding procedure qualification position
limitations
Table V Essential elements of a welding procedure
Table VI Welding procedure qualification material thickness
limits
Table VII Welding procedure qualification assembly test
requirements
Table VIIIGrouping of filler metals and process combinations
for welder or welding operator (performance
qualification)
Table IX Performance qualification - position limitations
Table X Performance qualification test limitations
Table XI Performance qualification test evaluation
requirements
Table XII Material combinations and brazing alloy requirements
Table XIIIGrouping of base materials for brazing procedure and
performance qualification
Table XIV Grouping of brazing alloys for procedure and
performance qualification
Table XV Type and number of test specimens required and range
of thickness qualified (brazing procedure
qualification)
Table XVI Axial load and torque values for procedure
qualification
Figure 1 Positions of welding
Figure 2 Typical welding procedure qualification test plate
and recommended locations for removal of test
specimens
Figure 3 Typical welding procedure qualification pipe test
assembly
Figure 4 Test assembly for procedure qualification of cladding
for corrosion-resistance except for circumferential
welding applications on shafting
Figure 4A Test assembly for procedure qualification of A-45
cladding for corrosion-resistance
Figure 5 Test assembly for procedure qualification of cladding
for circumferential welding of shafting
Figure 6 Procedure qualification test plate for hard-facing
Figure 7 Typical location of test specimens from disimilar
metal welded test plate
Figure 8 Test assembly for welding bare surfaces
Figure 9 Test assembly for welding over primer-coated surfaces
Figure 10 Stud testing apparatus
Figure 11 Sample for reporting qualification data
Figure 12 Performance qualification test nos. 2A and 2B for
fuel gas welding (plate)
Figure 13 Performance qualification test no. 3B for fuel gas
welding (pipe)
Figure 14 Performance qualification test no.1 for arc welding
Figure 15 Performance qualification test no.3 and 4 for arc
welding (pipe)
Figure 16 Performance qualification test no.8 for tack welders
Figure 17 Performance qualification test no.9 for weld
surfacing
Figure 18 Sample performance qualification record
Figure 19 Reduced section tension specimen (plate) for brazed
lap-type joints
Figure 20 Lap joint peel specimen
Figure 21 Typical layout and construction for restricted
accessibility qualification test assembly positions
Figure 22 Performance qualification tests no.5 and 6 for arc
welding (pipe)
Figure 23 Brazing positions
Figure 24 Heat affected zone (HAZ) Charpy notch location
Figure 25 Mockup and orientation of assembly for performance
qualification for manual welding of tube-to-header
joint welds
Figure 26 Performance qualification test no.10, plasma-arc
welding - keyhole technique
Gives requirements for the qualification of brazing and welding procedures, welders, welding operators, brazers and brazing operators that must be met prior to any production fabrication.
| DevelopmentNote |
This document replaces MIL-STD-248 (D)
|
| DocumentType |
Standard
|
| Pages |
146
|
| PublisherName |
Naval Sea Systems Command
|
| Status |
Current
|
| Supersedes |