TTF2 High Strength Steels

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TTF2High Strength Steels
EPERC
Appendix 7 (p. 1/9)
European Pressure Equipment Research Council

• TTF2 REPORT
• TTF2 HIGH STRENGTH STEELS
• 87 members from 12 countries
• Chairman  Pierre Bocquet (Usinor Industeel)
  F
• Deputy Chair  Stefan Winnik (Exxon Chemical)
  UK
• Co-Chairman  Franz Hukelmann (JRC Petten) EU

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EPERC General Assembly, Milan, 27th and 28th
November 2000
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TTF2High Strength Steels
EPERC
Appendix 7 (p. 2/9)
European Pressure Equipment Research Council

• TTF2 OBJECTIVES
• Achieving economic advantage by thickness
  reduction of HSS
• Determination of regulatory and fabrication
  limitations to the use of HSS
• Optimisation of the design rules based on
  materials data and in-service experience
• Damage analysis and life assessment at plant of
  PE components fabricated of HSS.

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EPERC General Assembly, Milan, 27th and 28th
November 2000
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TTF2High Strength Steels
EPERC
Appendix 7 (p. 3/9)
European Pressure Equipment Research Council

• TTF2 CONTRIBUTION IN KIND
• Determination of regulatory and fabrication
  limitations to the use of HSS collection of
  case histories.
• Technical exchanges on priority themes
• Environmental effects  Hydrogen (May 2000) --gt
  TTF7
• Matching problems of welding consumables (Nov.
  2000)
• Cracking sensitivity of welds To plan  2001
• Yield strength/tensile strength ratio (Nov. 2000).

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EPERC General Assembly, Milan, 27th and 28th
November 2000
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TTF2High Strength Steels
EPERC
Appendix 7 (p. 4/9)
European Pressure Equipment Research Council

• PROJECTS SUPPORTED BY EU
• HSD Coordinator IS (F) DG III 01/1999
  02/2001
• ECOPRESS Coordinator RWTH (D) DG XII
  01/2000 12/2002
• ALIAS-RDC Coordinator JRC Petten DG III
  09/2000 10/2001
• ELIXIR Coordinator MBEL (UK) DG
  XII 01/2001 12/2003
• fusion of a TTF2 proposal  SIMPHISS
• and a TTF5 proposal 
  AMIROWS

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EPERC General Assembly, Milan, 27th and 28th
November 2000
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TTF2High Strength Steels
EPERC
Appendix 7 (p. 5/9)
European Pressure Equipment Research Council

• HSD PROJECT - STATUS
• Demonstrate the present design codes may be
  adapted to TMCP and QT steels, and provide
  informations/recommendations for standardisation.
• Most relevant problems addressed  PWHT and
  Procurement of flanges and fittings.
• Prototypes ready for testing. Coordination with
  ECOPRESS project.

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EPERC General Assembly, Milan, 27th and 28th
November 2000
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TTF2High Strength Steels
EPERC
Appendix 7 (p. 6/9)
European Pressure Equipment Research Council

• ECOPRESS PROJECT - STATUS
• Aims  Create conditions of removal of
  unnecessary conservatism of existing rules using
  modern reliability methods (DBA) and propose
  recommendations for efficient design,
  manufacturing and testing of PV steels.
• Step 1 Analysis completed
• Step 2 Material characterisation on going
  2000/2001
• Step 3 Modelling concepts selected on going
  2001
• Step 4 Validation on large scale tests 1st
  semester 2002
• Step 5 Application safety concept and design
  recommendations 2002.

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EPERC General Assembly, Milan, 27th and 28th
November 2000
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TTF2High Strength Steels
EPERC
Appendix 7 (p. 7/9)
European Pressure Equipment Research Council

• ALIAS-RDC PROJECT - STATUS
• Aims  Apply new statistical methods to reduce
  the conservatism of design values.
• Detailed software specification are made and the
  data content is specified.
• Data collection starts.

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EPERC General Assembly, Milan, 27th and 28th
November 2000
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TTF2High Strength Steels
EPERC
Appendix 7 (p. 8/9)
European Pressure Equipment Research Council

• ELIXIR PROJECT - STATUS
• Aims  Demonstrate the possibility to avoid PWHT
  when using advanced repair or fabrication
  methodology.
• Industrial applications 
• PE  petrochemical/energy generation
• Non PE  maritime transport / offshore structure.
  

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EPERC General Assembly, Milan, 27th and 28th
November 2000
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TTF2High Strength Steels
EPERC
Appendix 7 (p. 9/9)
European Pressure Equipment Research Council

• FUTURE ACTIONS
• Prepare an EPERC Bulletin and a workshop on HSS /
  materials.
• Determine an action plan on the welding problems
  of HSS.
• Prepare design recommendations from results of
  HSD.

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EPERC General Assembly, Milan, 27th and 28th
November 2000