Steel Tube Handbook - 2018

57 API Spec5L Specification for line pipe. DIN 2448 Plain end seamless steel tubes. Dimensions. DIN 2460 Steel tubes for waterworks services. DIN 2470-1 Steel gas pipelines - pressure up to 16 bar. DIN 2470-2 Steel gas pipelines - pressure exceeding 16 bar. DIN 17172 Steel pipes for pipelines for the transport of combustible fluides and gases. EN ISO 3183 Steel tubes for pipeline transportion system Annex M - PSL 2 Pipe ordered for European onshore natural gas transmission pipelines UNI 7088 Unalloyed steel seamless tubes - Plain gas tubes for high pressure. List of dimensional standards and technical delivery conditions standards (Product specification PSL1 according to API) TDC PSL Steel grade Testing and certificates Other TDC standards Name Condition Surface Testing Certificate Marking Surfaceprotect. Packing 3183 PSL 1 L210 or A L245 or B L290 or X42 L320 or X46 L360 or X52 L390 or X56 (L415 or X60) (L450 or X65) Hot finished: • as rolled • normalising formed • normalized Cold finished • normalized • visually free from surface defects • adequate to production mode • cast analysis • tensile test • technological tests • hydrostatic test* • visual • dimensions • NDT* ISO 10893-10 U3/C L (U2/C) (ISO 10 893-3 F3 (F2)) residual magnetism • impact test • tube weight 10 204 3.1 3.2 See also page 7 D ≤ 48,3 mm (1.900) label with information D > 48,3 mm (1.900) – information at tube: • paint stencil • die stamping Data: • manufacturer • specification • compatible standards • dimension • steel(grade and class) • PSL • process (S or E or F) • heat treatment • test pressure • certificate (EN) • inspector’s mark (EN) Supplementary requirements (API): • color identification API licensees: • API monogram • date • length Upon agreement: • temporary • permanent 3183 (Annex M) PSL 2 L245NE or BNE L290NE or X42NE L360NE or X52NE L415NE or X60NE Hot finished • normalising formed (N) • normalized (N) Cold finished • normalized 2470-1/1629 St37.0 see DIN 1629 – page 23 50049: 3.1.B 3.1.C 2470-2/17172 StE210.7 StE240.7 StE290.7 StE320.7 StE360.7 StE415.7 Hot finished • as rolled Cold finished • normalized • cast analysis • tensile test • impact test • hydrostatic pressure • visual • dimensions • NDT upon agreement 50049: 3.1.B 3.1.A 3.1.C 7088 Fe35-1 Fe45-1 • cast analysis • tensile test • impact test • hydrostatic pressure • visual • dimensions • NDT upon agreement Spec5L PSL 1 L210 or A L245 or B L290 or X42 L320 or X46 L360 or X52 L390 or X56 (L415 or X60) (L450 or X65) Hot finished • as rolled • normalized (HN) • normalized and tempered (HN) • stress relieved (HS) Cold finished • normalized (HN) • cast analysis • tensile test • impact test • flattening • hydrotest, • NDT* • dimensions • visual • compliance NACE MR0175 API 5L *HT – mandatory test for all pipes. NDT – mandatory at EN ISO 3183 PSL 2 and API 5L – PSL 2. At PSL 1 according to agreement only. Steel designation according to EN ISO 3183 and API Spec 5L: • PSL 1 – L210 or A L – steel for pipeline 210 – minimum yield strength in N/mm2 • PSL 2 – L245R or BR, L245N or BN, L245Q or BQ, L245M or BM R – As-rolled N – Normalising formed or normalised Q – quenched and tempered M – thermomechanically formed (only welded pipe) • PSL 2 pipe ordered for sour service (Annex H) L245NS or BNS, L245QS or BQS, L245MS or BMS • PSL 2 pipe ordered for offshore service (Annex J) L245NO or BNO, L245QO or BQO, L245MO or BMO • PSL 2 pipe ordered for European onshore natural gas transmission pipelines (Annex M) L245NE or BNE, L245QE or BQE, L245ME or BME