QW-120 Test Position
QW-120 Test Position
(OP)
QW-120 TEST POSITIONS FOR GROOVE
WELDS
Groove welds may be made in test coupons oriented in
any of the positions in figure QW-461.3 or figure
QW-461.4 and as described in the following paragraphs,
except that an angular deviation of ±15 deg from the speci-
fied horizontal and vertical planes, and an angular deviation
of ±5 deg from the specified inclined plane are permitted
during welding.
Plz elaborate what this is saying" angular deviation of ........"
WELDS
Groove welds may be made in test coupons oriented in
any of the positions in figure QW-461.3 or figure
QW-461.4 and as described in the following paragraphs,
except that an angular deviation of ±15 deg from the speci-
fied horizontal and vertical planes, and an angular deviation
of ±5 deg from the specified inclined plane are permitted
during welding.
Plz elaborate what this is saying" angular deviation of ........"





RE: QW-120 Test Position
RE: QW-120 Test Position
What is difference between "b" and "c"
QW-321.3(b) At the option of the manufacturer, the welder who
has failed the production weld alternative test may be
retested by examining additional weld areas equal to twice
the required length or number of pipe circumferences of
the same or consecutively made production weld(s) speci-
fied in QW-304.1. If this length of weld passes the test,
the welder is qualified and the area of weld on which he
had previously failed the test shall be repaired by him or
another qualified welder. If this length does not meet the
examination standards, the welder has failed the retest and
all of the production welds made by this welder shall be
examined completely and repaired by a qualified welder
or welding operator.
QW-321.3.b
(c) At the option of the manufacturer, the welding opera-
tor who has failed the production weld alternative test may
be retested by examining additional weld areas equal to
twice the required length or number of pipe circumferences
of the same or consecutively made production weld(s)
specified in QW-305.1. If this length of weld passes the
test, the welding operator is qualified and the area of weld
on which he had previously failed the test shall be repaired
by him or another qualified welder or welding operator. If
this length does not meet the examination standards, the
welding operator has failed the retest and all of the produc-
tion welds made by this welding operator shall be examined
completely and repaired by a qualified welder or welding
operator.