Do test piece for Welding Process Qualification testing need to be carried out by qualified welders? Is it allowed that test piece weled by unqualified welders? Thank you.
It was noticed a post on the forum in 2006 about the 200 series austenitic steel, unfortunately I am unable to reply at this time. Eighteen years have passed, and it is unclear to what extent the 200 series austenitic stainless steel has been applied. Recently, there have been applications for...
Range of filler material for welding procedures qualification in ISO 15614-1
ISO 15614-1, 8.4.4 gives the following requirements,
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For level 2: Filler materials cover other filler materials as long as, according to the designation in the appropriate international standard for the filler...
the following requirements for welding procedure qualification tests were given in 8.3.c) of EN 13445-4.
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Impact test: The testing and the acceptance criteria shall conform to EN ISO 15614-1:2017; in addition, the impact test requirements in accordance with EN 13445-2:2021, Annex B shall...
Thank you, the key is how to distinguish the definitions and explanations of the latter two， “attached to the castings” and “cast integrally on the castings”.
Post-weld heat treatment may result in a reduced strength of the welded joint（Including base metal, heat affected zone, and welding consumables ）.
Even for some high-strength steels such as ASTM A517, the impact energy of welding consumables will decrease after post weld heat treatment.
What is...
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ISO 4990-2023
6.2.2.1 Test blocks
The test blocks may be cast separately, attached to the castings or cast integrally on the castings.
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How to define and interpret the three test block types?
We have tried to give an explanation of the three types of test blocks, but we don't...
Thank you all for your professional responses.
For welding procedure qualification for Stainless Steel for corrosion resistance service, which are essential variables, which are supplementary essential variables, and which are nonessential variables?
For example, for the base material, is the...
Whether the welded joint has a ductile - brittle transition temperature or not. The transformation temperature is usually considered to be for the steel itself, however there is literature on testing the transformation temperature of welded joints, so do welded joints also have a transformation...
Imperfections of a harmless nature, for example pitting, rolled-in scale, indentations, roll marks, scratches and grooves, regarded as being inherent of the manufacturing process, are permissible irrespective of their number, provided the maximum permissible limits of Class A of EN 10163-2, are...
Stainless steel is used for the cargo hold of chemical ships, and corrosion resistance is necessary. In ISO 15614-1, corrosion testing can be used as an additional test.However, is range of Welding Procedure Qualification for Stainless Steel still possible according to ISO 15614-1，including the...
What standards should be followed for Welding procedure qualification of stainless steel used for corrosion resistant services.
Mechanical tests are required in ISO 15614-1,ASME. No corrosion tests are required in ISO 15614-1,ASME.
For Stainless Steel for corrosion resistance service...
Hello，
ISO 15614 8.3.4
a) butt welds qualify full and partial penetration butt welds and fillet welds, while fillet weld tests are required where T-joints are performed by fillet welds or partial penetration butt welds in the pre-dominant form of welded connections in relation to the design and...
One point of view is that the corrosion performance of the aluminum alloys plates in O temper, H111 temper and H112 temper is very good, and the exfoliation corrosion test and intergranular corrosion test are not required. Another argument is that the aluminum alloys plates in O temper, H111...
In EN 13195,it is specified that aluminum alloys supplied in the H116 or H321 temper in the form of sheet, strip and plate shall be subjected to exfoliation corrosion test and intergranular corrosion test. For H112 aluminum alloys supplied in the Otemper H111temper H112 temper, no corrosion test...
Thank you, there are already practical applications of Surface-Tolerant Coating, especially in coating repair, such as Hempadur Mastic,Jotamastic,INTERZONE 954,EURONAVY ES301,etc.These coatings may be applied to surfaces prepared to SSPC-SP6 which have flash rusted to no worse than Grade HB2M ...
