Main Title 32pt

1
Materials Coordinating Group

• Scope Materials of construction for hydrogen
  delivery systems after production for hydrogen
  pressures from full vacuum to 1000 bar (15000
  psi) and temperature from liquid to 150 C (300
  F).
• Purpose Identify and prioritize material
  testing needs ie, between data suppliers and
  data consumers and other stakeholders
• National Laboratories -- Sandia, Savannah River,
  Oak Ridge
• ASME
• Swagelok, Praxair, CTC
• Group formed at the Materials and Components for
  the Hydrogen Economy Codes and Standards Workshop
  / DOE Hydrogen Pipeline Working Group Workshop,
  Augusta, GA, August 2005
• Teleconferences in October 2005 and March 2006
  Don Frikken is the primary organizer

2

• October 2005 agenda
• ASME code committee data needs -- carbon steels
  up to 700 MPa yield strength, 316 stainless
  steel, 6061-T6 aluminum alloy base metal, weld
  metal, heat affected zone
• Swagelok data interests regarding 316 stainless
  steel
• materials compatibility test plans for Sandia and
  Savannah River
• March 2006 agenda
• mechanisms for distributing new test data more
  efficiently
• discussed the need for code requirements
  regarding compositional ranges in stainless
  steels (particularly 316) and pipeline steels
• relative merits of the burst disk test for
  screening materials for hydrogen compatibility
• Would it be valuable to post meeting minutes and
  discussion materials to the National Coordinating
  Group monthly telecons?
• Next meetingpossibly in 3 months