ISO 15614-1:2004/AMD 1:2008
Specification and qualification of welding procedures for metallic materials — Welding procedure test — Part 1: Arc and gas welding of steels and arc welding of nickel and nickel alloys — Amendment 1
| Clause | Question | Interpretation | Validity |
|---|---|---|---|
| Not specified | See Figure enclosed. | Applicable | |
| 7.2, Figure 5 | Hardness measurements should be performed in the coldest area (should be near the start) On a butt weld, the location of the hardness measurements is on location 6 (near end). Shouldn’t this be changed? |
Applicable |
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7.4.1 7.4.2 |
I have a question regarding with extend of Tensile Testing described in Standard EN 15614-1 at item 7.4.1 and 7.4.2. As per Table 1 referred by item 7.4.1 Tensile Test pieces to be extracted (from any size of plate) is defined as two. [...] |
Applicable |
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| 7.4.3 | n an application of longitudinal bend test specimens instead of bend test specimens (transverse to the weldment) for dissimilar metal joints and heterogenous butt joints in plates for plate thickness < 12 mm according to DIN EN ISO15614-1 possible if the applied weld deposit is weaker in relation to the base material(s) ? |
Applicable |
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| 7.4.5 |
- Is our understanding correct, that the last sentence in para 7.4.5 quote “Where multiple welding processes are qualified in a single test piece, impact test specimens shall be taken from the weld metal and HAZ that include each |
Applicable |
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| 7.4.6 |
New steels with min ReH 960 to 1100 MPa that are thermomechanically treated, so called direct quenched, fine-grain steels are according to ISO/TR 15608 grouped as 2.2, since they are not tempered. However, they typically get > 400 HV in HAZ which is fine since the low carbon content present a relative ductile hardened structure [...] |
Applicable |
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| 8.2 | Can a manufacturer simply give his qualified WPS to a subcontractor to perform the welding? Is that WPS valid in this case? |
Not applicable, question declined |
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| 8.3.1 |
Material grouping of 16Mo3 steel |
Applicable |
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| 8.3.1.3 | There where the range of qualification is indicated with remarks a , b and c. E.g. : a) 1a – 1 : a lot of confusion if the remark “a” is only applicable on the first 1 or both 1. [...] |
Applicable |
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| 8.3.2.1 | How should the last sentence in clause 8.3.2.1 be interpreted? |
Applicable |
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| 8.3.2.1 | What significance does the thickness t have for the qualification of welding procedures in accordance with clause 8.3.2.1 c), d) and e)? |
Applicable |
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| 8.3.2.1 | Can results of multiple welded test pieces with dimensions: Ø17,2 x 1,5; Ø60,3 x 5,6; Ø168,3 x 17,5 which are welded multilayer with process 141 be summarized in a WPQR record and certify therewith a total range of qualification Ø ≥ 8,6 to ∞ and t: 1,05 – 35 mm, or is a record with the range of qualification to be prepared for each of the welded test pieces? [...] |
Applicable |
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8.3.2.2 |
What is the range of qualification for thickness for branch connections? [...] |
Applicable |
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| 8.3.2.2, Table 5 | Can Table 5 also be used for the range of qualification of a butt joint (Y-joint) without full penetration during a pre-production welding test in accordance with EN ISO 15613? |
Applicable |
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8.3.2.2, Table 5 |
a) Butt weld welded on both sides with 1 run is this single run or multi-run? b) Remark “a when impact requirements are specified” When are they specified? If the customer does, if the applicable material standard does specify them? |
Applicable |
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8.3.2.2, Table 5 8.5.2.3 |
A WPQR was performed using process 135 (MAG) with the short-circuiting transfer (dip) mode used for some passes and the spray transfer mode used for the remaining passes. Question 1 : For measurement of the weld deposit thickness (t), is it required to measure the short-circuiting mode weld [...] |
Applicable |
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8.3.2.2, Table 6 |
What is the range of qualification if a plate of 3 mm is welded on a thick plate of 10 mm with a fillet weld? |
Applicable |
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8.4.1 |
Are the individual processes separately qualified through a multi-process procedure test (e.g. process sequences 141, 111, 121) in accordance with clause 8.4.1? |
Applicable |
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| 8.4.1 | If you have to weld 2 plates with thickness of 200 mm with a butt weld (weld preparation is double V =X-weld) the root should be 10 mm TIG, the filler layers GMAW. Can I cover this with 2 PQR’s : 1 for TIG on 10 mm plate and 1 for GMAW welded on a plate with thickness of 100mm? | Applicable | |
| 8.4.2 |
Regarding the validity of the WPQR for pipes with impact and hardness requirements, about the interpretation of clause 8.4.2 and its note, for the final qualification of all positions (ascending). Case 1: Are the WPQR performed in position H-L045 valid, if the specimens are taken according to figure 6? |
Applicable |
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| 8.4.2 |
Regarding the validity of the WPQR for pipes with impact and hardness requirements, about the interpretation of clause 8.4.2 and its note, for the final qualification of all positions (ascending). Case 2: If specimens are performed in PH and PC positions, are the tension and bending destructive tests valid for any position according [...] |
Applicable |
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| 8.4.2 | Regarding the validity of the WPQR for pipes with impact and hardness requirements, about the interpretation of clause 8.4.2 and its note, for the final qualification of all positions (ascending) Case 3: a) Is it necessary to perform all tests of the Table 1 in position PH and additionally hardness and macographic tests in position PC [...] |
Applicable |
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| 8.4.2 | Regarding the validity of the WPQR for pipes with impact and hardness requirements, about the interpretation of clause 8.4.2 and its note, for the final qualification of all positions (ascending) Case 4: In order to qualify a WPQR in all positions (ascending), for which positions and which tests in each position are mandatory [...] |
Applicable |
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| 8.4.2 | If we are welding pipes (material group 1.2 which requires hardness testing) and material thickness is 6 mm (so it doesn’t require impact testing). Which position(s) shall be welded in procedure tests (when we want range of approval to all other positions than PG and J-L045)? |
Applicable |
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| 8.4.3.a) | What does “predominant form” means? Is it weld length, amount of welds,….? |
Applicable |
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| 8.4.3 | h) It is not permitted to change a multi-run deposit into a single run (or single run on each side) or vice versa for a given process. It means that single pass welding cannot qualify multi pass welding / multi pass welding cannot qualify single pass welding. Is it also applicable on fillet welding qualification ? |
Applicable |
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| 8.4.4 | Filler materials cover other filler materials as long as they have equivalent mechanical properties, same type of covering core or flux, same nominal composition and the same or lower hydrogen content according to the designation in the appropriate European standard for the filler material concerned. Case 1[...] |
Applicable |
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| 8.4.4 | Case 2: A WPQR Test has been performed with process 135 and wire EN ISO 14341-A-G 38 2 M G3Si1. What is the range of qualification for the filler material? Are you allowed to use a wire with classification EN ISO 14341-A-G 42 4 M G3Si1 referring to this WPQR? This wire has got the same designation “G3Si1”. The mechanical properties are better for yield strength and impact. |
Applicable |
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| 8.4.8 |
I would like to clarify the points referred on the e-mail below (see my comments in green): Let’s imagine that we perform the following welding qualification (50mm; S355N; GMAW): [...] |
Applicable |
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| 8.4.9 | Is it permissible to summarize individual procedure tests of different procedures, in order to expand the range of qualification e.g. the wall thickness? Example: Welding task; a plate t= 30 mm is to be welded. 2 procedure tests should be used for this. [...] |
Applicable |
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| 8.4.9 | How is the lower limit of a qualification to be verified? Previously, the temperature of the test piece (e.g. 20°C) has been documented and a lower limit of > 5°C (worksite conditions) was verified by the notified bodies. This is no longer entirely accepted. It is asked how such minimal deviations / tolerances can be accepted in the future. |
Applicable |
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| 8.4.9 | A procedure test on S355J2 with a wall thickness of 50 mm and a preheat temperature of 150°C has been performed. One can deduce from this that, in the present case, the qualification is only valid from a preheat temperature of 150°C. The procedure test also includes, however, [...] |
Applicable |
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| 8.4.10 | A reasonable verification of the highest interpass temperature in accordance with EN ISO 15614-1 clause 8.4.10 is currently reached through temporary raising of the preheat temperature before the start of welding a filling run (at this point the temporary preheat temperature is the highest interpass temperature). [...] |
Applicable |
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| 8.4.12 | How should the sentence in clause 8.4.12 be interpreted? In accordance with EN 12952, Part 5 clause 8.3.1, a welding procedure test shall be performed in accordance with EN 288 Part 3. In the meantime, this standard has been replaced by the successive document EN ISO 15614-1. [...] |
Applicable |
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| 8.5.2.1 | How should the 10 % be interpreted? Is it 10 % of the CO2 content of the gas used, or 10% absolute. E.g. The PQR has been performed with M21 with a) 18% CO2 and b) 24% CO2 What is the min. and max. CO2 content qualified? |
Applicable |
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| 8.5.2.1 | How should the 10 % be interpreted? Is it 10 % of the CO2 content of the gas used, or 10% absolute. E.g. The PQR has been performed with M21 with a) 18% CO2 and b) 24% CO2 What is the min. and max. CO2 content qualified? |
Not applicable (withdrawn on 2019-11-04) |
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| 8.5.2.1 | The Finnish National Committee K 105 wishes to take the interpretation of the standard ISO 15614-1 for rehearing at the ISO/TC 44/SC 10 Committee. In their reply, the Committee has interpreted the expression 'exceeds' in a completely new way. However, various translated versions of the standard ISO 15614-1 refer to 'raising' the concentration. [...] |
Not applicable |
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| 8.5.2.3 | a) What is/are the qualification(s) for pulsed arc welding? b) Does a change in “puls shape” require new qualification? |
Applicable |
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| 8. |
a) Range of qualification of a full penetration T-joint: bottom plate is 30mm, plate on top is 10 mm thick [...] |
Applicable |
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| 8. |
a) Range of qualification of a partial penetration: T-joint: bottom plate is 40mm, plate on top is 20 mm thick deposited weld thickness is 12 mm. [...] |
Applicable |
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