Schaffung eines harmonisierten Regelwerkes Entwickelt in ... · PDF fileEN elevated...

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Entwicklungen und Ergebnisse der ersten Revision des Teils 2 Werkstoffe der DIN EN 13445
Dr. Peter LangenbergIngenieurbro fr Werkstofftechnik, IWT7. Europische Druckgertetage 2007, Mnchen
Entwicklung: Europisches Regelwerk EN13445
Schaffung eines harmonisierten Regelwerkes: Entwickelt in den 90er Jahren durch CEN-Mitglieder im CENTC54
PED 97/23/EC: europische Richtlinie zur Harmonisierung der Mrkte, 1997
EN13445, Teile 1 bis 6 : Erste Verffentlichung (August 2002)

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Entwicklung: Wie reagiert Europa?
Die meisten Lnder halten an nationalen Normen fest und passen diese an PED an (z.B. AD2000, CODAP, PD5500).
Ausnahme: Finnland versucht als einziges Land konsequente Umsetzung.
Konsequenz: zgerliche Weiterentwicklung der EN13445 obwohlviel Kritik gebt wird
Wie ist der aktuelle Stand?
Fakten 2007
1. alle WGs im CENTC54 arbeiten an erster Revision. Ziel: Marktreife fr weltweiten Markt.
2. WG-Sekretariate fr Teil 2 Werkstoffe und Teil 4 Fertigung in Deutschland (DIN).
3. CENTC 54: JWG B Materials und SG Low Temperaturesseit 2003 Erarbeitung von 3 Amendments
4. Erste Revision geplant fr 2008 (Diskussionsstand: 6/2007)

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Was machte die JWG B seit 2002?
pr A3: Revision of Table A2-1 in Annex A
pr A4: Revision of clause B4.3, working plate
pr A5: Revision of Method 1 and 2 in Annex B: Material selection for avoidance of brittlefractureprA4 and A5 prepared by Subgroup Low Temperature:A. Kittel , H. Krebs, F. HanusR. Sandstrm, J. Hietalahti, I. Partridge
Amendment prA3, Table A.2-1D.2 European standardised steels grouped according to product forms
The references in this table do not include the date of the standard, but they are dated references as given in clause Bibliography.Table D.2-1 European standardised steels grouped according to product forms
3.11000NT1.636815NiCuMoNb5-6-4elevated temperature propertiesEN 10028-2
plate and strip
9
3.12500QT1.631120MnMoNi4-5elevated temperature propertiesEN 10028-2
plate and strip
8
1.2250150QT1.541418MnMo4-5elevated temperature propertiesEN 10028-2
plate and strip
7
1.21500NT1.541418MnMo4-5elevated temperature propertiesEN 10028-2
plate and strip
6
e1.22500N, NT1.541516Mo3elevated temperature propertiesEN 10028-2
plate and strip
5
1.22500N1.0473P355GHelevated temperature propertiesEN 10028-2
plate and strip
4
plate and strip
3
plate and strip
2
plate and strip
1
max.min.Notes
Material
groupto
CR ISO15608
ThicknessmmHeat
treatment g
MaterialnumberGradeMaterial description
European
Standard
Product formNo
10987654321
Table D.2-1informativ
max. Thickness accordingto EN Material Standard

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Amendment pr A4
The weld production test plate shall be performed in accordance with EN 13445-4:2002-05, clause 8.
The following requirements are additional to the requirements in EN 13445-4:2002-05, clause 8. In addition to this a weld production test plate is required according to welding procedurespecifications for TKV equal to or above 30 C, if the material thickness is greater than 12 mm.
For TKV below 30 C a weld production test plate 3) is required if the material thickness is greater than 6 mm.
The impact energy requirements of method 1 or 2 shall be met.
B4.3 Production test plates
Finnish in
itiative
Amendment prA5
1. Change in philosophy as concerns steels for warm and cold going vessels (GERMAN experience)
2. Inclusion of High Strength Steel with Yield Strength up to 690 MPa and Duplex Stainless Steels (ECOPRESS)
3. New method 2 (ECOPRESS)
4. New method 1 (ECOPRESS)
5. New chapter on bolts and nuts

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1. Divide after warm and cold going vessels
Actual situation:
Operation temperature: e.g. 500 CLowest temperature during start up or shut down: -10C
Consequence: Charpy requirements after Method 1 or 2 @ -10
New proposal :
For vessels with operation temperature higher 50C new chapterB.5 applies:
1. TD,min = -10C, for charpy requirement @ Room temperature2. Pressure shall not exceed 50 % of Design pressure if T 20 C
2. Revision of Nomograms in Method 2
Aus
legu
ngst
empe
ratu
r, T R
Prftemperatur TKV
KV:27 J for Rp 310 MPaand40 J for Rp 460 MPa
AW limited to 35 mmPWHT limited to 110 mmStrength limited to 460 MPA
Figure B2-1, PWHT

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Reason for new method 2 : include HSS up to 690 MPa Comparison of Design Stress between DBF and DBA
3,4
11,4
28,0
28,0
28,0
15,0
0,0 5,0 10,0 15,0 20,0 25,0 30,0
P265 N
P355 N
P420 Q
P500 Q
P690 Q
DUPLEX 2205st
eel g
rade
s
relative stress advantage of DBA in %
relative stress advantage in %
Toughness, T27J transition temperatureP690, 50 mm
-127
-151
-101
0
-159
-27
-180 -160 -140 -120 -100 -80 -60 -40 -20 0
BM
HAZ (FL+1)
WM
Temperature , C
PWHT, 3h, 580CAW
2nd reason: Modernise Brittle Fracture Concept
1. Endkraterriss2. Querriss im SG3. Querriss in WEZ4. Lngsriss im SG5. Kaltriss in WEZ6. Bindefehler7. Wurzelriss8. Kantenriss

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NEW Fracture Mechanics Model: Failure assumption
Beispiel: Wide Plate Test
P460, T27J = -50C,TPrf = -110 C
Modellfehler:
ad2cd
ad = ta/c = 0,33
NEW Fracture Mechanics Calculation Model
CEGB R6 Option 2KR=
KIKmat
LR=BruttoFlie
Kmat= KRKI
LIMIT STATEnot safe
safe
MASTER CURVE[MPa m]
CORRELATION
Einwirkung
Widerstand
Grenzzustand

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Verification with Wide Plate tests (ECOPRESS)
HAZ
HAZ
Steels P500 P690t , mm 30 50 80 30 50 80BM no 3 3 no 3 3AW 3 5 no 3 5 noPWHT no 6 no no 6 no
Verification of Calculation Model
-180-160-140-120-100
-80-60-40-20
020
-180 -160 -140 -120 -100 -80 -60 -40 -20 0 20Td [C]
T exp
[C
]
1:1lineP500_AW_50P500_AW_30P500_PWHT_50P690_AW_50P690_AW_30P690_PWHT_50+25K-25K
unsafe
safe
28 tests

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Transfer to EN13445-2, Annex B : New
Methode 1, Code of practice, Tabellen in Anlehnung an EN Werkstoffnormen und berechnet nach neuer Methode 2
Methode 2, bruchmechanische Basis in Anlehnung an ECOPRESS, jetzt bis P500, bis 110 mm und DUPLEX bis 50 mm.
Methode 3, Bruchmechanische Sicherheits-analyse, wie bisher
PED: Essential Safety Requirements
3. min. ZhigkeitT27J
T27Jmin
T27JGem.
2. min. Festigkeit1.Fehlerfreiheit
4. PED; Annex 1, Clause 7: TR = T27J, A5 14 %

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New Method 1: Code of Practice
Plates and Strips Max. reference
thickness eB
No. as per Table D.2-1
European Standard
EN
Grade Material No.
AW PWHT
Design reference
temperature TR (C)
Material group to CR ISO
15608:2000
Remarks
1 P235GH 1.0345 35 90 Rounded 2 P265GH 1.0425 35 75
1.1
3 P295GH 1.0481 35 65 4
10028-2:2003
P355GH 1.0473 35 55
20 1.2
29 P275NH 1.0487 35 75 20 30 P275NL1 1.0488 35 75 40 31 P275NL2 1.1104 35 90 50
1.1
32 P355N 1.0562 35 55 20 33 P355NH 1.0565 35 55 20 34 P355NL1 1.0566 35 55 40 35 P355NL2 1.1106 35 55 50
1.2
36 37 38
10028-3:2003
Extract of new Table B.2-2
Max. limit thickness calculated on Basis (PED) TR = T27J
NEW Method 2
-80 -60 -40 -20 0 20
-120
-100
-80
-60
-40
-20
0
20
500 MPa, 40 J, PWHT
8080
54
60
40
40
20
30
7
20
-8
10
-21
eBMETHOD 2
1. For Ferritic with Ni 1,5 % , new Nomograms up to 500 MPa including.
2. For DUPLEX up to 550 MPa Yield strength newnomograms and t max = 50 mm.

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New Method 2: Exemption for consideration of experience
-80 -60 -40 -20 0 20
-120
-100
-80
-60
-40
-20
0
20
265 M Pa, 27 J, PW HT
110110
40
90
30
70
15
50
-5
40
-20
30
-41
20
-66
10
-96
eBMETHOD 2
T R,
C
TKV, C
The dashed line:
1. Charpy requirment= 40 J @ TKV
2. For Steels with 265 MPa yield for t from 75 to 110 mm
3. For Steels with 355 MPa yield for t from 65 to 110 mm
-80 -60 -40 -20 0 20
-120
-100
-80
-60
-40
-20
0
20
355 M P a, 27 J, PW HT
110110
57
90
48
70
35
50
17
40
4
30
-12
20
-30
10
-48
e BMET HO D 2
T R,
C
T C
265 MPa
355 MPa
Method 3: Structural Integrity Analysis
model fine mesh 3D-Shell model coarse mesh
Stress Concentration Area
dary conditions-acements calculated the shell model
1. Bruchmechanisches Modell2. Werkstoffzhigkeit3. Risstreibende Kraft (FEM oder FAD)4. Grenzzustand K J Werktoff = K J Bauteil5. Kritischer Fehler; Spannung, Zhigkeit
CEGB R6 Option 2KR=

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