ASME SECTION 91 2026 MECHANICAL
ENGINEERING STANDARDS TEST SCRIPT
COMPLETE QUESTIONS AND ANSWERS
◉ Which testing standard shall Charpy V-Notch impact test conform
to for WPS qualifications?
Answer: ASME SA-370 QW-171.1
◉ What magnification is used when performing a filet weld test
macro examination during procedures or performance qualifications
?
Answer: At a specified low magnification? QW/QB-492
◉ When is incomplete fusion defined as a radiographic linear
indications?
Answer: 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
Answer: 70 Ksi
◉ What is the nominal composition of ASME SA-333 grade 6?
,Answer: C-Mn-Si steel
◉ What is the F-No of SFA-5.1 classification E6020?
Answer: F-No. 1
◉ What is the F-No. of SFA-5.5 classification E8018-B3L, Low alloy
steel electrodes for shield metal arc welding.
Answer: 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?
Answer: (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?
Answer: (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?
, Answer: (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?
Answer: All essential and nonessential variables. QW-200.1b
◉ What changes may be made to a qualified WPS without the need
to re-qualify it?
Answer: 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 ?
Answer: 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?
Answer: PQR QW-200.2b
◉ For a SMAW WPS, what type of WPS variable is a change in P-No.
qualified?
ENGINEERING STANDARDS TEST SCRIPT
COMPLETE QUESTIONS AND ANSWERS
◉ Which testing standard shall Charpy V-Notch impact test conform
to for WPS qualifications?
Answer: ASME SA-370 QW-171.1
◉ What magnification is used when performing a filet weld test
macro examination during procedures or performance qualifications
?
Answer: At a specified low magnification? QW/QB-492
◉ When is incomplete fusion defined as a radiographic linear
indications?
Answer: 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
Answer: 70 Ksi
◉ What is the nominal composition of ASME SA-333 grade 6?
,Answer: C-Mn-Si steel
◉ What is the F-No of SFA-5.1 classification E6020?
Answer: F-No. 1
◉ What is the F-No. of SFA-5.5 classification E8018-B3L, Low alloy
steel electrodes for shield metal arc welding.
Answer: 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?
Answer: (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?
Answer: (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?
, Answer: (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?
Answer: All essential and nonessential variables. QW-200.1b
◉ What changes may be made to a qualified WPS without the need
to re-qualify it?
Answer: 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 ?
Answer: 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?
Answer: PQR QW-200.2b
◉ For a SMAW WPS, what type of WPS variable is a change in P-No.
qualified?
