| N° | § N° | U/AI | CR | Date | Comment | Status |
|---|---|---|---|---|---|---|
| 1 | 1.0 | AI | No | add date | Seamless 25 Cr Duplex stainless steel pipes (UNS S32750 and S32760) are manufactured in full compliance with ASTM A790 and all supplementary requirements of NORSOK M-630 MDS D51 Rev. 6, with all key requirements (chemical, mechanical, corrosion, micr... | Open |
| 2 | 1.0 | AI | No | add date | Supplier qualification to NORSOK M-650/ISO 17782 for the exact product is confirmed, with QTR/MPCR documentation available for review as required. Source: DMV_STANDARD_BOOK/02 - Specifications-Digest-collection/02-04 - Special products/02-04-03 - Dig... | Open |
| 3 | 3.0 | AI | No | add date | Manufacturers and manufacturing processes are required to be qualified per NORSOK M-650 or ISO 17782, with qualification testing meeting NORSOK M-630 MDS D51 rev. 6, and this is explicitly mandated and documented for the specified product and wall th... | Open |
| 4 | 3.1 | AI | No | add date | The specification and digests confirm that the steel melt is refined with AOD or equivalent and the chemical analysis is in accordance with Table 2, fulfilling the requirement for DMV 25.7N seamless pipe. Source: DMV_STANDARD_BOOK/02-03-01 - Digest A... | Open |
| 5 | 3.1 | AI | No | add date | Chemical composition limits for UNS S32750 and S32760 are explicitly specified in Table 2 and required by the specification; ASTM A790 and DMV digest confirm conformance for S32760. Source: DMV_STANDARD_BOOK/02 - Specifications-Digest-collection/02-0... | Open |
| 6 | 3.2 | AI | No | add date | Pipes are solution annealed followed by water quenching in accordance with ASTM A790, with furnaces compliant to NORSOK M-650/ISO 17782, and placement ensures free circulation of heating and cooling media during heat treatment including accelerated c... | Open |
| 7 | 4.1 | AI | No | add date | The specification explicitly requires one set of impact, tensile, hardness, corrosion testing, and microstructure examinations for each heat and heat treatment lot, with 'lot' defined per ASTM A790, matching the requirement. Source: DMV_STANDARD_BOOK... | Open |
| 8 | 4.1 | AI | No | add date | Test specimen sampling is detailed in Table 3, specifying test types, directions, and locations for seamless pipes, fulfilling the requirement for sampling procedure as outlined in the specification. Source: DMV_STANDARD_BOOK/02 - Specifications-Dige... | Open |
| 9 | 4.1 | AI | No | add date | Test sampling for seamless pipes is fulfilled: tensile (longitudinal or transverse per ASTM A790), hardness (outer surface), CVN (transverse at 1/2 thickness), and corrosion/microstructure (full thickness) are performed as specified, with correct dir... | Open |
| 10 | 4.2 | AI | No | add date | Tensile testing is required in accordance with ASTM A370 or ISO 6892-1, and the material must meet the tensile and maximum hardness properties specified in Table 4; these requirements are explicitly stated and fulfilled in the specification and suppo... | Open |
| 11 | 4.2 | AI | No | add date | DMV 25.7N (UNS S32760) meets the specified minimum mechanical properties: tensile strength ≥ 750 MPa, yield strength ≥ 550 MPa, elongation ≥ 25%, and maximum hardness ≤ 310 HBW (32 HRC). All criteria from Table 4 are explicitly fulfilled for DMV 25.7... | Open |
| 12 | 4.3 | AI | No | add date | Charpy V-notch testing is required per ASTM A370, ASTM A1058, or ISO 148-1 (8 mm striker), with acceptance criteria detailed in Table 5. The specification and supporting documents confirm these requirements are explicitly mandated, feasible for the s... | Open |
| 13 | 4.3 | AI | No | add date | DMV 25.7N meets the impact test requirements: Charpy V-notch at -46°C, minimum transverse absorbed energy 45 J (average) and 35 J (single), longitudinal 65 J (average) and 50 J (single) if transverse is not possible, with sub-size reduction factors a... | Open |
| 14 | 4.4.1 | AI | No | add date | Metallographic preparation and examination of 25 Cr Duplex stainless steels is specified to be in accordance with ISO 17781, with etching using 20–40% NaOH or KOH solution or other suitable etchant listed in ISO 17781 Appendix B, performed after fina... | Open |
| 15 | 4.4.1 | AI | No | add date | Micrographic examination is performed in accordance with ISO 17781, using a 20% to 40% NaOH or KOH solution or other suitable etchant(s) listed in ISO 17781 Appendix B to show ferrite balance and intermetallic phases, as required. Source: DMV_STANDAR... | Open |
| 16 | 4.4.2 | AI | No | add date | The specification requires the microstructure to be basically free from intermetallic phases, but allows isolated intermetallic phases not homogeneously distributed and with a maximum dimension not exceeding 10 μm, which matches the client requiremen... | Open |
| 17 | 4.4.2 | AI | No | add date | The specification requires that the presence and location of intermetallic phases be noted and recorded with micrographs at 400x minimum magnification, representative of the location with the highest concentration of intermetallic phases, fulfilling ... | Open |
| 18 | 4.4.2 | AI | No | add date | Micrographic examination is performed per ISO 17781, with etching to detect intermetallic phases, minimum 400x magnification, and photos included, fulfilling the requirement for a representative micrograph at or near mid-wall thickness, reported at a... | Open |
| 19 | 4.4.2 | AI | No | add date | If centerline intermetallic stringers are present, their presence must be reported and product acceptance is based on CVN and corrosion test results, as specified in section 4.4.2 of the specification and confirmed in the digest. Source: DMV_STANDARD... | Open |
| 20 | 4.4.2 | AI | No | add date | The specification explicitly states that if CVN testing cannot be completed due to geometry or size, intermetallic phases and/or precipitates are not permitted (section 4.4.2). For the provided pipe dimensions, CVN testing is feasible, so the restric... | Open |
| 21 | 4.4.3 | AI | No | add date | Ferrite content is determined per ASTM E562 or by image analysis according to ASTM E1245, performed in accordance with ISO 17781, as explicitly required in the specification and confirmed in the digest. Source: Specification Section 4.4.3, Digest NOR... | Open |
| 22 | 4.4.3 | AI | No | add date | Ferrite content acceptance criteria of 35% to 60% is explicitly specified and confirmed as fulfilled by the document. Source: DMV_STANDARD_BOOK/02 - Specifications-Digest-collection/02-04 - Special products/02-04-03 - Digest NORSOK/02-04-03 - Digest ... | Open |
| 23 | 4.4.3 | AI | No | add date | Ferrite content requirement of 35% to 60% is explicitly specified and fulfilled for DMV 25.7N seamless pipe as per section 4.4.3 and relevant standards (ISO 17781, ASTM E1245/E562). Source: DMV_STANDARD_BOOK/02 - Specifications-Digest-collection/02-0... | Open |
| 24 | 4.5 | AI | No | add date | Corrosion testing per ASTM G48 Method 'A' (50˚C, 24h) in accordance with ISO 17781 is explicitly required and acceptance criteria are defined, directly fulfilling the requirement. Source: DMV_STANDARD_BOOK/02-04-03 - Digest NORSOK MDS D51 Rev 06.docx... | Open |
| 25 | 4.5 | AI | No | add date | Acceptance criteria for corrosion testing are explicitly defined as no pitting at 20X magnification and weight loss less than 1.0 g/m² after ASTM G48 Method A (50°C, 24h), fully matching the requirement. Source: DMV_STANDARD_BOOK/02-04-03 - Digest NO... | Open |
| 26 | 4.5 | AI | No | add date | The requirement of 'No pitting at 20X magnification' and 'weight loss < 1.0 g/m²' is explicitly listed as the acceptance criteria for corrosion testing per ASTM G48 Method A (50°C, 24h) and ISO 17781, and is confirmed as fulfilled for DMV 25.7N seaml... | Open |
| 27 | 5.1 | AI | No | add date | Personnel performing NDE must be qualified and certified to level II or III in accordance with ISO 9712 or equivalent, with roles and responsibilities as defined in ISO 9712; this is explicitly required in section 5.1 of the specification. Source: Sp... | Open |
| 28 | 5.2 | AI | No | add date | 100% ultrasonic testing for longitudinal defects per ASTM E213 or ISO 10893-10, performed after all mechanical processing, heat treatments, and straightening, with calibration notches as specified, is confirmed and can be performed for the requested ... | Open |
| 29 | 5.2 | AI | No | add date | Acceptance criteria for ultrasonic testing require that any indication greater than that produced by the calibration notch is considered a defect; defective pipe and tubing shall be rejected or repaired. 100% ultrasonic testing per ASTM A790 (referen... | Open |
| 30 | 5.2 | AI | No | add date | The acceptance criterion that any indication greater than that produced by the calibration notch represents a defect, requiring rejection or repair of the pipe or tubing, is explicitly stated in the specification and referenced standards. Source: Sec... | Open |
| 31 | 6.0 | AI | No | add date | Dimensional tolerances are required to be per applicable ASTM standard unless otherwise stated, and both the specification and DMV documentation confirm compliance with ASTM A790 tolerances for OD, WT, and ovality, with no overriding tolerances speci... | Open |
| 32 | 7.0 | AI | No | add date | The requirement that finished pipes shall be white pickled or bright annealed is explicitly mandated in the specification and is directly fulfilled by both ASTM A790 and NORSOK MDS D51 Rev 06 standards, which specify pickling or bright annealing as t... | Open |
| 33 | 8.0 | AI | No | add date | Pipes shall be marked to ensure full traceability to melt and heat treatment lot, with marking methods and contents (e.g., indelible ink, vibro-etching, inclusion of heat and lot numbers) sufficient to meet this requirement. Source: DMV_STANDARD_BOOK... | Open |
| 34 | 9.0 | AI | No | add date | Weld repairs are explicitly stated as not acceptable in the specification and the digest for NORSOK MDS D51 Rev 06, directly fulfilling the requirement. Source: Specification section 9.0, Digest NORSOK MDS D51 Rev 06 | Open |
| 35 | 10.0 | AI | No | add date | The specification requires the material manufacturer to have an ISO 9001 quality-assurance system certified by a competent EEA body with a specific assessment for materials, directly fulfilling the requirement. Source: Specification Section 10.0, Dig... | Open |
| 36 | 10.1 | AI | No | add date | Submission of the Supplier NORSOK M-650/ISO 17782 Manufacturing Summary identification or QTR/MPCR demonstrating qualification for the size and product form is required and confirmed, with supporting documentation (EN 10204 Type 3.1) aligned with spe... | Open |
| 37 | 10.1 | AI | No | add date | The specification mandates submission of NORSOK M-650/ISO 17782 Manufacturing Summary identification or QTR/MCPR demonstrating qualification for the size and product form, and documentation confirms supplier accreditation and inclusion of QTR number ... | Open |
| 38 | 10.2 | AI | No | add date | EN 10204 Type 3.1 material certificate, including traceability, heat treatment, steel manufacturer, melting/refining practice, and NORSOK M-650/ISO 17782 QTR number, is transmitted and traceable to delivered products, fulfilling SIR205. Source: DMV_S... | Open |
| 39 | 10.2 | AI | No | add date | Material certificates are issued in accordance with EN 10204 Type 3.1 and include all information required by ASTM A790 and NORSOK M-630, as specified in the documentation and digest summaries. Source: DMV_STANDARD_BOOK/02-02-07 - Digest summary of E... | Open |
| 40 | 10.2 | AI | No | add date | Section 10.2 of the specification requires the material certificate (EN 10204 Type 3.1) to include NORSOK M-650/ISO 17782 Manufacturing Summary identification or QTR/MPCR number, steel producer, steel melting practice and refining method, heat number... | Open |
| 41 | 3.0 | AI | No | add date | Manufacturers and processes are required and confirmed to be qualified in accordance with NORSOK M-650 or ISO 17782, with qualification testing meeting NORSOK M-630 MDS D51 rev. 6, and supporting QTR/MPCR documentation is mandated and available for t... | Open |
| 42 | 3.1 | AI | No | add date | Steel melt is refined with AOD or equivalent and chemical analysis complies with Table 2 for DMV 25.7N. Source: DMV_STANDARD_BOOK/02 - Specifications-Digest-collection/02-04 - Special products/02-04-03 - Digest NORSOK/02-04-03 - Digest NORSOK MDS D51... | Open |
| 43 | 3.1 | AI | No | add date | Chemical composition limits for UNS S32750 and S32760 are explicitly specified in Table 2, and section 3.1 requires compliance with these limits for supplied material. Source: Specification section 3.1, Table 2. | Open |
| 44 | 3.2 | AI | No | add date | Pipes are solution annealed and water quenched per ASTM A790, furnaces comply with NORSOK M-650/ISO 17782, and pipe placement ensures free circulation of heating and cooling media during heat treatment including accelerated cooling. Source: Specifica... | Open |
| 45 | 4.4.2 | AI | No | add date | If centerline intermetallic stringers are present, they must be reported and product acceptance is based on CVN and corrosion test results, as specified in section 4.4.2 of the specification and confirmed in the digest. Source: DMV_STANDARD_BOOK/02-0... | Open |
| 46 | 4.1 | AI | No | add date | Section 4.1 of the specification explicitly requires one set of impact, tensile, hardness, corrosion testing, and microstructure examinations for each heat and heat treatment lot as defined in ASTM A790, with detailed test sampling provided in Table ... | Open |
| 47 | 4.1 | AI | No | add date | Test specimen sampling for seamless pipes is detailed in Table 3, specifying test types, directions, and thickness locations, fulfilling the requirement for outlined sampling procedures. Source: DMV_STANDARD_BOOK/02 - Specifications-Digest-collection... | Open |
| 48 | 4.1 | AI | No | add date | Test sampling for seamless pipes, including tensile (longitudinal or transverse per ASTM A790), hardness (outer surface), CVN (transverse at 1/2 thickness), and corrosion/microstructure (full thickness), with specified directions and locations, is fu... | Open |
| 49 | 4.2 | AI | No | add date | Tensile testing is required to be performed in accordance with ASTM A370 or ISO 6892-1, and the material must meet the tensile and maximum hardness properties specified in Table 4. All relevant sources confirm these requirements are explicitly stated... | Open |
| 50 | 4.2 | AI | No | add date | DMV 25.7N (UNS S32760) fulfills the mechanical requirements: tensile strength ≥ 750 MPa, yield strength ≥ 550 MPa, elongation ≥ 25%, and maximum hardness ≤ 310 HBW (32 HRC). All criteria from Table 4 are explicitly met for this grade and specificatio... | Open |
| 51 | 4.3 | AI | No | add date | Charpy V-notch testing is required per ASTM A370, ASTM A1058, or ISO 148-1 (8 mm striker), with results meeting Table 5 criteria. The specification and supporting digests confirm testing is performed to these standards, at -46°C, with acceptance valu... | Open |
| 52 | 4.3 | AI | No | add date | Impact properties are fully addressed: Charpy V-notch testing at -46°C, minimum absorbed energies (transverse: average 45 J, single 35 J; longitudinal: average 65 J, single 50 J), and sub-size reduction factors are required and matched for the specif... | Open |
| 53 | 4.4.1 | AI | No | add date | Metallographic preparation and examination of 25 Cr Duplex stainless steels is performed in accordance with ISO 17781, with etching using 20–40% NaOH or KOH solution or other suitable etchant(s) listed in ISO 17781 Appendix B, as required. Source: DM... | Open |
| 54 | 4.4.1 | AI | No | add date | Micrographic examination requires 20–40% NaOH or KOH solution or other suitable etchant(s) listed in ISO 17781 Appendix B to show ferrite balance and intermetallic phases, as explicitly specified in section 4.4.1 and confirmed in the digest. Source: ... | Open |
| 55 | 4.4.2 | AI | No | add date | The specification requires the microstructure to be basically free from intermetallic phases, but allows isolated intermetallic phases not exceeding 10 μm and not homogeneously distributed, matching the requirement exactly. Source: Specification sect... | Open |
| 56 | 4.4.2 | AI | No | add date | Specification requires that the presence and location of intermetallic phases be noted and recorded with micrographs at a minimum of 400x magnification, representative of the area with the highest concentration of intermetallic phases, fulfilling the... | Open |
| 57 | 4.4.2 | AI | No | add date | Micrographic examination is performed per ISO 17781, with etching to detect intermetallic phases, minimum 400x magnification, and photos (micrographs) are included, fulfilling the requirement for a representative micrograph at or near mid-wall thickn... | Open |
| 58 | 4.4.2 | AI | No | add date | If CVN testing cannot be completed due to geometry or size, intermetallic phases and/or precipitates are not permitted, as explicitly stated in section 4.4.2 of the specification. Source: Specification section 4.4.2, DMV_STANDARD_BOOK/12-03-02 - Impa... | Open |
| 59 | 4.4.3 | AI | No | add date | Ferrite content is determined per ASTM E562 or by image analysis according to ASTM E1245, performed in accordance with ISO 17781, as required by the specification. Source: Specification Section 4.4.3, Digest NORSOK MDS D51 Rev 06.docx | Open |
| 60 | 4.4.3 | AI | No | add date | Ferrite content acceptance criteria of 35% to 60% is explicitly specified and confirmed for DMV 25.7N, with testing per ISO 17781/ASTM E1245 (E562 on request). Source: DMV_STANDARD_BOOK/02 - Specifications-Digest-collection/02-04 - Special products/0... | Open |
| 61 | 4.4.3 | AI | No | add date | Ferrite content requirement of 35% to 60% is explicitly specified and fulfilled for DMV 25.7N seamless pipe as per section 4.4.3 and supporting digest documentation. Source: DMV_STANDARD_BOOK/02-04-03 - Digest NORSOK MDS D51 Rev 06.docx | Open |
| 62 | 4.5 | AI | No | add date | Corrosion testing per ASTM G48 Method 'A' (50˚C, 24h) performed in accordance with ISO 17781 is explicitly required and fulfilled in the specification. Source: DMV_STANDARD_BOOK/02-04-03 - Digest NORSOK MDS D51 Rev 06.docx, DMV_STANDARD_BOOK/12-03-01... | Open |
| 63 | 4.5 | AI | No | add date | Acceptance criteria for the corrosion test (ASTM G48 Method A, 50°C, 24h) are explicitly defined as no pitting at 20X magnification and weight loss less than 1.0 g/m², and these are fully addressed in the specification. Source: DMV_STANDARD_BOOK/02 -... | Open |
| 64 | 4.5 | AI | No | add date | Corrosion testing per ASTM G48 Method A (50°C, 24h) in accordance with ISO 17781 requires no pitting at 20X magnification and weight loss less than 1.0 g/m², directly fulfilling the requirement. Source: DMV_STANDARD_BOOK/02-04-03 - Digest NORSOK MDS ... | Open |
| 65 | 5.1 | AI | No | add date | Section 5.1 explicitly requires NDE personnel to be qualified and certified to level II or III in accordance with ISO 9712 or equivalent, with roles and responsibilities as defined in ISO 9712, directly fulfilling the requirement. Source: Specificati... | Open |
| 66 | 5.2 | AI | No | add date | 100% ultrasonic testing for longitudinal defects is performed in accordance with ASTM E213 or ISO 10893-10 after all mechanical processing, heat treatments, and straightening, with calibration notches as specified. DMV ultrasonic testing machines are... | Open |
| 67 | 5.2 | AI | No | add date | Acceptance criteria for ultrasonic testing are fulfilled: any indication greater than the calibration notch is a defect, and defective pipe/tubing shall be rejected or repaired. 100% ultrasonic testing per ASTM A790 (referencing ASTM E213) and ISO 10... | Open |
| 68 | 5.2 | AI | No | add date | The acceptance criterion that any indication greater than that produced by the calibration notch represents a defect, requiring rejection or repair of the pipe or tubing, is explicitly stated in the specification and referenced standards. Source: Spe... | Open |
| 69 | 6.0 | AI | No | add date | Dimensional tolerances are required to be per applicable ASTM standard unless otherwise stated, and both the specification and referenced DMV documentation confirm compliance with ASTM A790 and related standards for dimensional tolerances. Source: Sp... | Open |
| 70 | 7.0 | AI | No | add date | Requirement is explicitly fulfilled: finished pipes shall be white pickled or bright annealed per specification section 7.0, ASTM A790, and NORSOK MDS D51 Rev 06 digests. Source: Specification section 7.0, Digest ASTM A790, Digest NORSOK MDS D51 Rev ... | Open |
| 71 | 8.0 | AI | No | add date | Section 8.0 Marking requires pipes to be marked for full traceability to melt and heat treatment lot, with marking methods and content (e.g., heat number, lot number) ensuring compliance. Source: DMV_STANDARD_BOOK/13-02-01 - Standard marking feasibil... | Open |
| 72 | 9.0 | AI | No | add date | Weld repairs are explicitly not acceptable per section 9.0 of the client specification and confirmed in the digests for ASTM A790 and NORSOK MDS D51 Rev 06. Source: DMV_STANDARD_BOOK/02-03-01 - Digest ASTM A 790.docx, DMV_STANDARD_BOOK/02-04-03 - Dig... | Open |
| 73 | 10.0 | AI | No | add date | The specification requires the material manufacturer to have a quality-assurance system such as ISO 9001, certified by a competent body established within the EEA and specifically assessed for materials, fulfilling the requirement. Source: DMV_STANDA... | Open |
| 74 | 10.1 | AI | No | add date | Submission of Supplier NORSOK M-650/ISO 17782 Manufacturing Summary identification or QTR/MPCR demonstrating qualification for the size and product form is required and confirmed, and EN 10204 Type 3.1 certificates are issued as specified. Source: DM... | Open |
| 75 | 10.1 | AI | No | add date | The specification mandates submission of Supplier NORSOK M-650/ISO 17782 Manufacturing Summary identification or QTR/MCPR demonstrating qualification for the size and product form, and documentation confirms NORSOK M-650 accreditation for the request... | Open |
| 76 | 10.2 | AI | No | add date | EN 10204 Type 3.1 material certificates containing all required traceable information are transmitted to TechnipFMC and traceable to delivered products, fulfilling SIR205 as specified in section 10.2 of the specification. Source: DMV_STANDARD_BOOK/02... | Open |
| 77 | 10.2 | AI | No | add date | Material certificates are issued in accordance with EN 10204 Type 3.1 and include all information required by ASTM A790 and NORSOK M-630, as explicitly stated in the specification and confirmed by standard practice at the plant. Source: Specification... | Open |
| 78 | 10.2 | AI | No | add date | Section 10.2 of the specification requires the EN 10204 Type 3.1 material certificate to include NORSOK M-650/ISO 17782 Manufacturing Summary identification or QTR/MPCR number, steel producer, melting practice and refining method, heat number, ladle ... | Open |