api 6a718 work group on addition of nickel base cras
DESCRIPTION
API 6A718 Work Group on Addition of Nickel Base CRAs. API SC6 Winter 2012 Meeting Paul Maxwell. Objective. - PowerPoint PPT PresentationTRANSCRIPT
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API 6A718 Work Group on Addition of Nickel Base CRAs
API SC6 Winter 2012 Meeting
Paul Maxwell
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Objective• Provide requirements for Age Hardened Nickel
Base alloys used in the manufacture of API 6A or ISO 10423 pressure-containing and pressure-controlling components to assure they are not embrittled by the presence of an excessive level of deleterious phases and meet minimum metallurgical quality requirements.
• These additional requirements include detailed process control requirements and detailed testing requirements.
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MembersPatrick Markle ATI Allvac Eric Caldwell GATE, LLC
Adran Mills ATI Allvac Tim Haeberle GE Oil & Gas
Bill Bailey Baker Hughes Greg Chitwood Halliburton
Josh Rooker Bohler Edelstahl John Sisk Halliburton
Steven Shademan BP John Elwell Howco Group
Kevin Johnson Cameron Carl Stroud Latrobe Specialty Steel
Paul Maxwell Carpenter Kleber Sernik Latrobe Specialty Steel
Gus Mangaly Dril-Quip Rashmi Bhavsar Schlumberger
Al Gavenas Energy Alloys Brett Puckett Shell
Brian Wilfahrt ExxonMobil Steve Tassen Special Metals
Joel Russo FMC Marco Deuterio Special Quality Alloys
Stan Gregory Foroni Metals John Groth ThyssenKrupp VDM
Veronica Vasquez Foroni Metals William Howie Weatherford
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Meetings
• September 27, 2011
• November 29, 2011
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Progress
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Chemical Compositions
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Manufacturing Requirements
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Heat Treatment Procedures
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Macro & Micro Etchants
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Tensile Requirements
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Impact Toughness Requirements
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Table 5 - Hardness Requirements
UNS number Material Designation
Minimum Hardness
HRC (HBW)
Maximum Hardness
HRC (HBW)
N07716 120K 30 40
140K 32 43
N07718 120K 32 (298) 40 (363)
140K 34 40 (363)
N07725 120K 30 43
N09925a 110K 26 38
N09935 110K 26 34
N09945 130K 34 42
140K 34 42
Hardness Requirements
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To Be Done
• Review of Chemistries, Heat Treat Procedures and Mechanical Properties
• Decide Whether Mechanical Property Requirements Need to be Size Dependant
• Develop an Appropriate Hardness Conversion Table
• Develop Grain Size & Microstructure Requirements including Photomicrographs for Reference
• Determine Whether Additional Testing will be Required for High Strength 718
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Next Meeting Anticipated to be in April