SIST EN 10253-3:2009

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Cevni fitingi za soležne zvare - 3. del: Kovna avstenitna in avstenitno-feritna (dupleksna) nerjavna jekla brez posebnih zahtev glede pregledovFormstücke zum einschweissen - Teil 3: Austenitischen und austenitisch-ferritischen nichtrostenden Stähle ohne besonderen PrüfanforderungenRaccords a souder bout a bout - Partie 3: Aciers inoxydables austénitiques et austéno-ferritiques sans contrôle spécifiqueButt-welding pipe fittings - Part 3: Wrought austenitic and austenitic-ferritic (duplex) stainless steels without specific inspection requirements77.140.20Visokokakovostna jeklaStainless steels23.040.40Kovinski fitingiMetal fittingsICS:Ta slovenski standard je istoveten z:EN 10253-3:2008SIST EN 10253-3:2009en,de01-februar-2009SIST EN 10253-3:2009SLOVENSKI
STANDARD
EUROPEAN STANDARDNORME EUROPÉENNEEUROPÄISCHE NORMEN 10253-3November 2008ICS 23.040.40; 77.140.20 English VersionButt-welding pipe fittings - Part 3: Wrought austenitic andaustenitic-ferritic (duplex) stainless steels without specificinspection requirementsRaccords à souder bout à bout - Partie 3: Aciersinoxydables austénitiques et austéno-ferritiques sanscontrôle spécifiqueFormstücke zum Einschweißen - Teil 3: Nichtrostendeaustenitische und austenitisch-ferritische (Duplex-) Stähleohne besondere PrüfanforderungenThis European Standard was approved by CEN on 18 October 2008.CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this EuropeanStandard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such nationalstandards may be obtained on application to the CEN Management Centre or to any CEN member.This European Standard exists in three official versions (English, French, German). A version in any other language made by translationunder the responsibility of a CEN member into its own language and notified to the CEN Management Centre has the same status as theofficial versions.CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland,France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal,Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMITÉ EUROPÉEN DE NORMALISATIONEUROPÄISCHES KOMITEE FÜR NORMUNGManagement Centre: rue de Stassart, 36
B-1050 Brussels© 2008 CENAll rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN 10253-3:2008: ESIST EN 10253-3:2009

Structural dimensions of fittings.38 Annex B (informative)
Commonly used inside diameters and wall thicknesses, metric sizes.45 Bibliography.47
EN 100021 apply. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN 287-1, Qualification test of welders — Fusion welding — Part 1: Steels EN ISO 15609-1, Specification and qualification of welding procedures for metallic materials — Welding procedure specification — Part 1: Arc welding (ISO 15609-1:2004) EN 910, Destructive tests on welds in metallic materials — Bend tests EN 1418, Welding personal — Approval testing of welding operators for fusion welding and resistance weld setters for fully mechanized and automatic welding of metallic materials EN 10002-1, Metallic materials — Tensile testing — Part 1: Method of test at ambient temperature SIST EN 10253-3:2009

X2CrNi18-9 1.4307 0,030 1,00 2,00 0,045 b 0,015 b ≤ 0,11 17,50 to 19,50 _ _ _ 8,00 to 10,50 _ _ X2CrNi19-11 1.4306 0,030 1,00 2,00 0,045 b 0,015 b ≤ 0,11 18,00 to 20,00 _ _ _ 10,00 to 12,00_ _ X2CrNiN18-10 1.4311 0,030 1,00 2,00 0,045 b 0,015 b 0,12 to 0,22 17,00 to 19,50 _ _ _ 8,50 to 11,50 _ _ X5CrNi18-10 1.4301 0,07 1,00 2,00 0,045 b 0,015 b ≤ 0,11 17,00 to 19,50 _ _ _ 8,00 to 10,50 _ _ X6CrNiTi18-10 1.4541 0,08 1,00 2,00 0,045 b 0,015 b _ 17,00 to 19,00 _ _ _ 9,00 to 12,00 5xC to 0,70 _ X6CrNiNb18-10 1.4550 0,08 1,00 2,00 0,045 b 0,015 b _ 17,00 to 19,00 _ _ 10xC to 1,00 9,00 to 12,00 _ _ X1CrNi25-21 1.4335 0,020 0,25 2,00 0,025 0,010 ≤ 0,11 24,00 to 26,00 _ ≤ 0,20 _ 20,00 to 22,00_ _ X2CrNiMo17-12-2 1.4404 0,030 1,00 2,00 0,045 b 0,015 b ≤ 0,11 16,50 to 18,50 _ 2,00 to 2,50_ 10,00 to 13,00_ _ X5CrNiMo17-12-2 1.4401 0,07 1,00 2,00 0,045 b 0,015 b ≤ 0,11 16,50 to 18,50 _ 2,00 to 2,50_ 10,00 to 13,00_ _ X6CrNiMoTi17-12-2 1.4571 0,08 1,00 2,00 0,045 b 0,015 b _ 16,50 to 18,50 _ 2,00 to 2,50_ 10,50 to 13,505xC to 0,70 _ X2CrNiMo17-12-3 1.4432 0,030 1,00 2,00 0,045 b 0,015 b ≤ 0,11 16,50 to 18,50 _ 2,50 to 3,00_ 10,50 to 13,00_
X2CrNiMoN17-13-3 1.4429 0,030 1,00 2,00 0,045 b 0,015 b 0,12 to 0,22 16,50 to 18,50 _ 2,50 to 3,00_ 11,00 to 14,00_ _ X3CrNiMo17-13-3 1.4436 0,05 1,00 2,00 0,045 b 0,015 b ≤ 0,11 16,50 to 18,50 _ 2,50 to 3,00_ 10,50 to 13,00_ _ X2CrNiMo18-14-3 1.4435 0,030 1,00 2,00 0,045 b 0,015 b ≤ 0,11 17,00 to 19,00 _ 2,50 to 3,00_ 12,50 to 15,00_ _ (to be continued) SIST EN 10253-3:2009

X2CrNiMoN17-13-5 1.4439 0,030 1,00 2,00 0,040 b 0,015 b 0,12 to 0,22 16,50 to 18,50_ 4,00 to 5,00_ 12,50 to 14,50_ _ X2CrNiMo18-15-4 1.4438 0,030 1,00 2,00 0,040 b 0,015 b ≤ 0,11 17,50 to 19,50_ 3,00 to 4,00_ 13,00 to 16,00_ _ X1NiCrMoCu31-27-4 1.4563 0,020 0,70 2,00 0,030 0,010 ≤ 0,11 26,00 to 28,000,70 to 1,50 3,00 to 4,00_ 30,00 to 32,00_ _ X1NiCrMoCu25-20-5 1.4539 0,020 0,70 2,00 0,030 0,010 ≤ 0,15 19,00 to 21,001,20 to 2,00 4,00 to 5,00_ 24,00 to 26,00_ _ X1CrNiMoCuN20-18-7 1.4547 0,020 0,70 1,00 0,030 0,010 0,18 to 0,25 19,50 to 20,500,50 to 1,00 6,00 to 7,00_ 17.50 to 18,50_ _ X1NiCrMoCuN25-20-7 1.4529 0,020 0,50 1,00 0,030 0,010 0,15 to 0,25 19,00 to 21,000,50 to 1,50 6,00 to 7,00_ 24,00 to 26,00_ _ a Elements not listed in this table shall not be intentionally added to the steel without the agreement of the purchaser except for finishing the cast. All appropriate precautions are to be taken to avoid the addition of such elements from scrap and other materials used in production which would impair mechanical properties and the suitability of the steel. b For fittings welded without filler material the sum of sulphur and phosphorus shall be maximum 0,040 %. SIST EN 10253-3:2009

X2CrNiMoN22-5-3 1.4462 0,030 1,00 2,00 0,035 0,015 0,10 to 0,22 21,00 to 23,00 – 2,50 to 3,50 4,50 to 6,50 _ X2CrNiN23-4 1.4362 0,030 1,00 2,00 0,035 0,015 0,05 to 0,20 22,00 to 24,00 0,10 to 0,60 0,10 to 0,60 3,50 to 5,50 _ X2CrNiMoN25-7-4 b 1.4410 0,030 1,00 2,00 0,035 0,015 0,20 to 0,35 24,00 to 26,00 – 3,00 to 4,50 6,00 to 8,00 _ X2CrNiMoCuWN25-7-4 1.4501 0,030 1,00 1,00 0,035 0,015 0,20 to 0,30 24,00 to 26,00 0,50 to 1,00 3,00 to 4,00 6,00 to 8,00 W 0,50 to 1,00 X2CrNiMoCuN25-6-3 1.4507 0,030 0,70 2,00 0,035 0,015 0,15 to 0,30 24,00 to 26,00 1,00 to 2,50 2,70 to 4,00 5,50 to 7,50 _ a Elements not listed in this table shall not be intentionally added to the steel without the agreement of the purchaser except for finishing the cast. All appropriate precautions are to be taken to avoid the addition of such elements from scrap and other materials used in production which would impair mechanical properties and the suitability of the steel. b Patented steel grade. SIST EN 10253-3:2009

solution annealed condition (+AT), heat treatment and information about resistance to intergranular corrosion
Tensile properties at room temperature a Reference heat treatment Resistance to Limit temp °C h Hardness HB Steel grade max Proof strengthTensile strength Elongation b
Conditions Intergranular corrosion
Rp0,2 min Rp1,0 min Rm g A min (%) Solution temperature c Cooling in d e Method in EN ISO 3651-2
Steel name Steel number
MPa MPa MPa l t
X2CrNi18-9 1.4307 200 180 215 470 to 67040 35 1 000 to 1 100 w, a yes A 350 X2CrNi19-11 1.4306 200 180 215 460 to 68040 35 1 000 to 1 100 w, a yes A 350 X2CrNiN18-10 1.4311 210 270 305 550 to 76035 30 1 000 to 1 100 w, a yes A 400 X5CrNi18-10 1.4301 200 195 230 500 to 70040 35 1 000 to 1 100 w, a yes f A 300 X6CrNiTi18-10 1.4541 210 200 235 500 to 73035 30 1 020 to 1 120 w, a yes A 400 X6CrNiNb18-10 1.4550 210 205 240 510 to 74035 30 1 020 to 1 120 w, a yes A 400 X1CrNi25-21 1.4335 220 180 210 470 to 67045 40 1 030 to 1 110 w, a yes A 400 X2CrNiMo17-12-2 1.4404 200 190 225 490 to 69040 30 1 020 to 1 120 w, a yes A 400 X5CrNiMo17-12-2 1.4401 200 205 240 510 to 71040 30 1 020 to 1 120 w, a yes f A 300 X6CrNiMoTi17-12-2
1.4571 210 210 245 500 to 73035 30 1 020 to 1 120 w, a yes A 400 X2CrNiMo 17-12-3 1.4432 200 190 225 490 to 69040 30 1 020 to 1 120 w, a yes A 400 X2CrNiMoN17-13-3 1.4429 220 295 330 580 to 80035 30 1 020 to 1 120 w, a yes A 400 X3CrNiMo17-13-3 1.4436 200 205 240 510 to 71040 30 1 020 to 1 120 w, a yes f A 300 X2CrNMo18-14-3 1.4435 200 190 225 490 to 69040 30 1 020 to 1 120 w, a yes A 400 X2CrNiMoN17-13-5 1.4439 200 285 315 580 to 80035 30 1 100 to 1 140 w, a yes C 400 X2CrNiMo18-15-4 1.4438 200 220 250 490 to 69035 30 1 100 to 1 160 w, a yes C 400 X1CrMoCu31-27-4 1.4563 220 215 245 500 to 75040 35 1 100 to 1 160 w, a yes C 400 (to be continued) SIST EN 10253-3:2009

Tensile properties at room temperature a Reference heat treatment Resistance to Limit temp °C h Hardness HB Steel grade max Proof strengthTensile strength Elongation b
Conditions Intergranular corrosion
Rp0,2 min Rp1,0 min Rm g A min (%) Solution temperature c Cooling in d e Method in EN ISO 3651-2
Steel name Steel number
MPa MPa MPa l t
X1NiCrMoCu25-20-5 1.4539 220 220 250 520 to 72035 30 1100 to 1150 w, a yes C 400 X1CrNiMoCuN20-18-7 1.4547 220 300 340 650 to 85035 30 1180 to 1230 w, a yes C 400 X1NiCrMoCuN25-20-7 1.4529 220 300 340 600 to 80040 40 1120 to 1180 w, a yes C 400 a For wall thicknesses greater than 60 mm the mechanical properties are subject to agreement at the time of enquiry and order. Option 4: Agreed mechanical properties for wall thicknesses greater than 60 mm apply. b l = longitudinal ; t = transverse. c The maximum temperatures are for guidance only. d w = water; a = air; cooling sufficiently rapid. e When tested in accordance with EN ISO 3651-2 (Appropriate method, A or B or C, shall be as indicated) up to the limit temperatures indicated in the last column of Table 8. f In delivery condition. (Normally not fulfilled in the sensitized condition). g For the delivery conditions W 0, W 1 and W 2 which do not include solution annealing, the upper Rm
limit may be exceeded by 70 MPa. h Up to these temperatures, the
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