N° | § N° | U/AI | CR | Date | Comment | Status |
---|---|---|---|---|---|---|
1 | 3.1 | AI | No | add date | No evidence provided that ASME SA-213M TP310HCbN seamless boiler tubes conform to the latest edition of ASME SA-213M; only references to ASTM A213 and unrelated grades are present. Source: DMV_STANDARD_BOOK/02-02-01 Digest summary of ASTM A.docx, DMV... | Open |
2 | 3.2 | AI | No | add date | Tubes are manufactured by cold finished (cold drawn) or hot finished seamless methods and delivered after heat treatment as per ASME SA-213M. Source: DMV_STANDARD_BOOK/02 - Specifications-Digest-collection/02-03 - Detailed digests/02-03-01 - ASTM A/0... | Open |
3 | 3.3 | AI | No | add date | No provided document confirms compliance with ASME SA-213M (latest version) or the specified P ≤ 0.03% and S ≤ 0.01% limits for finished tubes. No chemical composition data is given. Source: DMV_STANDARD_BOOK/02-02-01 Digest summary of ASTM A.docx, D... | Open |
4 | 3.4 | AI | No | add date | No evidence is provided that the grain size of finished tubes is within class 4-7 for DMV 25.7N; grain size examination is not applied to duplex/super-duplex steels, and existing specifications do not enforce the upper limit of class 7. Source: DMV_S... | Open |
5 | 3.5 | AI | No | add date | No information is provided on hardness testing methods or values for TP310HCbN; only UNS S32760 (DMV 25.7N) is addressed, and required test methods and hardness ranges for TP310HCbN are not covered. Source: DMV_STANDARD_BOOK/12-03-04- Hardness tests ... | Open |
6 | 3.6 | AI | No | add date | No evidence that non-metallic inclusions are graded according to ASTM E45 Method A or meet Table 1 limits as required by the specification. ASTM E45 or inclusion ratings are not mentioned in the provided documents or summaries. Source: DMV_STANDARD_B... | Open |
7 | 3.6 | AI | No | add date | No provided documentation or referenced standards specify or confirm compliance with the required non-metallic inclusion limits (A, B, C, D types, finer/coarser, and total). Compliance cannot be validated with the available information. Source: DMV_S... | Open |
8 | 3.7 | AI | No | add date | No evidence of compliance with wall thickness and outside diameter tolerances as per Table 2, inner wall surface roughness Ra≤12.5μm, or full adherence to ASME SA-1016M requirements is provided. Source: DMV_STANDARD_BOOK/07-02 - Standard OD and WT mi... | Open |
9 | 3.7 | AI | No | add date | Nominal OD 48.3mm (≤76.1mm) and WT 5.08mm (>4mm) fall under the requirement. ASTM A790 'AW' tolerance for OD (±0.38mm) is stricter than ±0.41mm, and WT tolerance (+22%/0) matches the requirement. Source: Feedback Comments: [] | Open |
10 | 3.8 | AI | No | add date | None of the provided documents confirm compliance with the specified surface quality requirements, including the absence and removal of defects, minimum wall thickness after defect removal, or the specific limits on straight and mandrel scratch defec... | Open |
11 | 3.8 | AI | No | add date | No provided document addresses the absence of obvious inner hexagonal shape or the P value calculation (P < 0.02) for wall thickness uniformity in hot-finished thick-walled tubes. Relevant standards and testing procedures do not cover this specific r... | Open |
12 | 3.9 | AI | No | add date | The only specified length is 9000 mm (9 m), which is within the required 8–12 m range, but there is no explicit confirmation of the normal order length or the fixed-length contract process as required by the specification. Source: DMV_STANDARD_BOOK/0... | Open |
13 | 3.10 | AI | No | add date | No provided documents address or confirm inner surface shot peening, its cleanliness, depth, or hardness profile as required. No evidence of process or verification methods included for the requested steel tubes. Source: DMV_STANDARD_BOOK/02-03-01 - ... | Open |
14 | 3.11.1 | AI | No | add date | No evidence that 100% ultrasonic examination (ASTM E213) per SA-1016M is performed or that results are included in the quality certificate; only ASTM A790 and ASME B36.10/19 are referenced, and inspection documentation does not confirm compliance wit... | Open |
15 | 3.11.2 | AI | No | add date | Eddy current testing per ASTM E426 + SA-1016M is feasible for the specified tube dimensions at Montbard, fulfilling the requirement for non-destructive testing as an alternative to hydrostatic testing. Source: DMV_STANDARD_BOOK/12 - Special Testing/1... | Open |
16 | 3.11.3 | AI | No | add date | No evidence that NDT blind zones are cut off on both ends or that this is stated on the quality certificate as required by the specification. Relevant documentation does not address this requirement directly. Source: DMV_STANDARD_BOOK/12-02-01 - Non ... | Open |
17 | 3.12 | AI | No | add date | No evidence that the quality certificate includes the latest ASME SA-213M, procurement specification number, manufacturing method, actual heat treatment specification, inspection items and results, or testing blind area cutting as required by the cli... | Open |
18 | 4.1 | AI | No | add date | No provided documentation confirms that inspection items and quality certificate contents comply with the latest edition of ASME SA-213M or details the required certificate content as per this standard and the specification. References are only made ... | Open |
19 | 4.2 | AI | No | add date | No evidence provided confirming compliance with the inspection items, sampling quantity, sampling method, and testing procedure as specified in table 3; referenced documents do not explicitly address or reproduce table 3 requirements or confirm align... | Open |
20 | 4.2 | AI | No | add date | All specified inspection and testing requirements (heat analysis, product analysis, tensile, hardness, flattening, flaring, grain size, nonmetallic inclusion, hydrostatic, eddy current, and ultrasonic tests) with their respective standards and sampli... | Open |
21 | 4.2 | AI | No | add date | 'Lot' is defined for sampling in accordance with ASME requirements: for chemical analysis, a lot is one heat; for other testing, a lot is all material from the same heat, nominal size (except length), and condition, heat treated together, with a maxi... | Open |