JJ-1.1 INTRODUCTION
This Nonmandatory Appendix provides guidelines for determining toughness test requirements for austenitic, austenitic‐ferritic duplex, ferritic chromium, and marten- sitic stainless steel vessels in accordance with the tough- ness test rules inUHA-51.
NOTE: The term“toughness testing”is used as an all-inclusive gen- eric reference to any and all toughness testing required by this Divi- sion, whether it be impact testing, drop testing, ASTM E1820JI C
testing, or some other referenced testing method.
JJ-1.2 FLOWCHARTS
Figures JJ-1.2-1throughJJ-1.2-5provide step‐by‐step guidelines for determining the conditions where exemp- tions from toughness tests are permitted and, when toughness tests are required, the applications that are re- quired to be toughness tested byUHA-51rules.
Figures JJ-1.2-1throughJJ-1.2-4illustrate test require- ment guidelines for austenitic base material and HAZ, welding procedure qualification, welding consumable pre‐use testing, and production impact testing.Figure JJ-1.2-5provides guidelines of applicable requirements for application of the duplex, ferritic chromium, and mar- tensitic material grades.
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Figure JJ-1.2-1
Austenitic Stainless Steel Base Metal and HAZ Toughness Testing Requirements
Start: Assume all Part UHA base metals and HAZs require toughness testing unless otherwise exempted.
Is material a
casting?
Is specimen thickness
> 0.099 in.
(2.5 mm)?
Yes No
Thermally treated per UHA-51(c)?
No
No No
Base metal and HAZ toughness
testing is not required.
Base metal and HAZ toughness
testing is not required.
No Yes
Yes
Yes
Toughness testing of the base metal and HAZ is required per UG-84.
UHA-51
UHA-51(d)(1)(-c) and (d)(2)(-c)
Carbon content
< 0.10%?
No
Yes Yes
UHA-51(d)(1)(-a)
Exempt per UHA-51(g)?
No
See UHA-51(c)(1) for additional toughness
testing exemption
criteria.
Yes UHA-51(c)(1) Yes
No UHA-51(d)(1)(-b) MDMT
colder than –320°F
(–196°C)?
MDMT colder than –55°F
(–48°C)?
MDMT colder than –20°F
(–29°C)?
Toughness testing of the base metal and HAZ is required per UHA-51(a)(3).
GENERAL NOTE: SeeFigures JJ-1.2-2,JJ-1.2-3, andJJ-1.2-4for additional toughness requirements.
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Start UHA-51(e)
Welded with filler
metal?
Yes
SFA -5.4, 5.9, 5.11, 5.14, or 5.22
filler?
UHA-51(e)(2)(-a)
No
No
Yes
WPS Qualification with toughness testing is not required.
No No
Yes
No UHA -51(e)(1)
Exempt p er UHA -51(g)?
Yes
No
No Thermally
treated per UHA-51(c)?
Yes
Yes
UHA -51(e)(3) Yes
No See
UHA-51(c)(1) for additional toughness
testing criteria.
Carbon content
> 0.10%?
Yes
UHA-51(e)(2)(-b) MDMT
colder than –155°F
(–104°C)?
MDMT colder than –55°F
(–48°C)?
MDMT colder than –20°F
(–29°C)?
WPS Qualification
with toughness
testing is not required.
WPS Qualification
with toughness
testing is required.
GENERAL NOTES:
(a) For additional testing requirements for MDMTs colder than−320°F (−196°C), seeUHA-51(a)(3).
(b) For filler metal pre-use testing requirements, seeUHA-51(f)andFigure JJ-1.2-3.
(c) For production toughness testing requirements, seeUHA-51(h)andUHA-51(i)andFigure JJ-1.2-4.
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ð19ị
Figure JJ-1.2-3
Welding Consumable Pre-Use Testing Requirements for Austenitic Stainless Steel
GTAW and PAW SAW
SMAW and GMAW Pre-use testing is not
required. Ready for production welding.
Unacceptable for use with MDMTs colder than 155F (104C)
Ready for production welding — only pre-use tested consumables or exempted filler metal with
GTAW/PAW to be used Unacceptable
without pre-use testing
Unacceptable without pre-use
testing Welding Consumable Pre-Use
Testing Requirements
Is filler metal ENiCrFe-2, ENiCrFe-3, ENiCrMo-3, ENiCrMo-4, ENiCrMo-6, ERNiCr-3, ERNiCrMo-3,
ERNiCrMo-4, or E310-15/16?
Is MDMT colder than 155F
(104C)?
1. Is WPS qualified with impact tests?
2. Is welding process SMAW, SAW, GMAW, GTAW, or PAW?
3. Does weld metal conform to SFA-5.4, 5.9, 5.11, 5.14, or 5.22?
4. Is weld metal 0.10%
carbon?
UHA-51(f)
UHA-51(f)(1), (f)(2), (f)(3), and (f)(4)
UHA-51(f)(4)(-d)
UHA-51(f)(4)(-e) UHA-51(f)(4)(-b)
UHA-51(f)(4)(-a)
Yes No
No
Yes
Yes
Yes
Yes Yes
No No
Is each heat/lot of filler
metal pre-use tested?
Is filler metal ER308L, ER316L,
or ER310?
Is each heat/batch combination of wire
and flux pre-use tested?
No
No Is MDMT
colder than 320F (196C)?
UHA-51(a)(3), UHA-51(f) No
Unacceptable without pre-use testing
Yes
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Figure JJ-1.2-4
Production Toughness Testing Requirements for Austenitic Stainless Steel
Start
UHA-51(i)(1 ) No
UHA-51(h )( 2 )(-c) Yes Yes
Yes
No Yes
No
No
No
Yes
UHA-51(i)(2 ) UHA-51(i)
UHA-51(h)(2)(-a)
Thermally treated as defined in UHA-51(c)?
Yes
No
No
Yes
Yes
No
UHA-51(h)(2)
UHA -51(h )(2)(-b)
Yes No
MDMT colder than –320°F
(–196°C)?
MDMT colder than –155°F
(–104°C)?
MDMT colder than –20°F
(–29°C)?
MDMT colder than –320°F
(–196°C)?
Are all requirements
of UHA-51(f) met?
Welded with filler
metal?
Is PQR toughness testing exempted
per UHA-51(e)?
Production toughness testing is required.
Production toughness testing is
required. Production
toughness testing is not
required.
Solution annealed after welding?
See UHA-51(c) for special production toughness testing requirements.
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Figure JJ-1.2-5
Austenitic-Ferritic Duplex, Ferritic Chromium, and Martensitic Stainless Steel Toughness Testing Requirements
Start
Yes
No
No UHA -51(d)(3)
UHA -51(e)(3) UHA -51(h)(1) UHA-51(c)(2) UHA-51(c)(3) UHA-51(c)(4)
UHA-51
No
No
Yes
Yes
Yes Is
specimen thickness
≥ 0.099 in.
(2.5 mm)?
Exempt per UHA-51(g)?
Toughness testing of the base material and HAZ is not required.
WPS Qualification by toughness testing is not required.
Production toughness testing is not required.
Toughness testing of the base material and HAZ is required.
WPS Qualification with toughness testing is required.
Production toughness testing is required.
Toughness testing of the base material and HAZ is not required.
WPS Qualification with toughness testing is not required.
Production toughness testing is not required.
Is MDMT colder than –20°F (–29°C) or does the nominal
thickness exceed the limits of UHA-51(d)(3)?
Were thermal treatments within the temperature
ranges listed in UHA-51(c) applied?
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